Prática de Shadowing: Complete Guide to English Modal Verbs - English Grammar Lesson - Aprenda a falar inglês com vídeo
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Hi, I’m Stephanie.
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Welcome to Oxford Online English!
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In this lesson, you can learn about English modal verbs.
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What are modal verbs?
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What do they do?
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Why do you need them?
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You’ll see answers to all these questions in this class.
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Before we start, you should check out our website: Oxford Online English dot com.
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You can find all our free English lessons.
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We also offer online classes with professional teachers, where you can study speaking, prepare for IELTS, improve your pronunciation, or whatever else you want!
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Let’s get back to our topic with some basic points you should know to use modal verbs correctly.
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Shall we start?
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Yeah, we probably should!
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So, can you tell me something about modal verbs?
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Sure. What would you like to know?
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I must know everything about them!
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That might take a long time!
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You’ll help me, though, right?
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Of course, even though it may be challenging.
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There are nine modal verbs in English.
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You just heard a dialogue with nine lines.
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Each line contains one modal verb.
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Can you name the nine modal verbs in English?
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Maybe you know them already, but if not, you can go back and try to find them in the dialogue.
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The nine modal verbs are: can, could, may, might, will, would, shall, should and must.
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What do modal verbs do, and how are they different from other verbs?
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Also, why are they so important?
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Modal verbs add information to other verbs.
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That’s their job.
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They can add ideas like possibility, uncertainty, or obligation to another verb.
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Grammatically, modal verbs follow their own rules.
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Let’s see what this means.
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Rule number one: a modal verb is followed by an infinitive verb, without ‘to’.
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For example: ‘She can speak fluent Spanish.’ ‘We shouldn’t do anything until we know more.’ ‘They won’t be here before ten.’ You can’t put a noun after a modal verb, or an -ing verb, or anything else, only an infinitive verb without ‘to’.
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Rule number two: modal verbs can’t be used in different times or tenses.
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Modal verbs don’t have past, perfect or future tenses like regular verbs do.
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There are some cases where this isn’t 100% true.
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For example, ‘could’ is the past tense of ‘can’ in some cases.
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‘Would’ sometimes acts like a past version of ‘will’.
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However, ‘could’ can also have a present or future meaning.
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It’s better to think about each modal verb individually.
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Rule number three: modal verbs are verbs.
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That means you make negatives by adding ‘not’ to the end of the verb.
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For example: can, can’t.
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Would, wouldn’t.
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Might, might not.
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Negative modal verbs are often contracted, although ‘might not’ and ‘may not’ are usually written fully, without contractions.
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For ‘will’ and ‘shall’, the spelling changes in the negative: will, won’t; shall, shan’t.
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To make a question, move the modal verb before the subject.
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For example: ‘Should I tell him?’ ‘What would you do?’ What about the other question: why are modal verbs important?
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Modal verbs can express many basic concepts which you will need regularly, in any situation.
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Modal verbs are used to express obligation, give advice, talk about possibility and probability, ask for permission, and more.
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Next, let’s look at the meanings which modal verbs can express in more detail.
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Can I ask you something?
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Sure. I’m thinking I might ask for a transfer to the Singapore office.
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I’ve always wanted to live abroad, and I think now’s the right time.
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What do you think?
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I think if you’ve thought about it, then you should try it.
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Better to regret something you did than something you didn’t do; that’s my view.
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Hmm… Will they agree, though?
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You don’t know till you ask!
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Anyway, I’m sure they’ll agree; you have a good track record here, and if you come back later you’ll have a lot of valuable experience.
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So, they should say yes.
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I’m just worried, because I know that Olga asked for a transfer to Canada, and they wouldn’t let her… That’s a totally different situation.
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Olga’s a tax specialist; she’s irreplaceable.
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I wanted to ask one more thing: will you write a reference for me?
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No problem!
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I’d be happy to.
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There’s one more thing you must do before you apply.
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What’s that?
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Talk to the Singapore office.
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I can put you in contact if you need.
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That’s great!
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Thanks so much for helping me out.
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You can use modal verbs to express nine fundamental ideas.
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Maybe you’re thinking: “That’s nice and easy!
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There are nine modal verbs, and nine meanings, so each verb must have one meaning, right?” Nope!
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Unfortunately, it’s more complicated than that.
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First, the nine meanings are broad.
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Each contains several smaller ideas.
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Secondly, every modal verb can have more than one meaning.
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Anyway, we’ll worry about that later!
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For now, let’s look at the nine fundamental ideas which modal verbs can express.
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Asking permission.
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Expressing possibility or impossibility, when you think something could be true or not.
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Giving advice or suggestions.
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Expressing certainty or uncertainty, when you’re sure something is true or not.
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Expressing probability, when you think one result is more likely than another Expressing willingness or refusal, for example when someone lets or doesn’t let someone else do something.
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Making a request or an offer.
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Expressing an obligation, when it’s necessary to do something.
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Expressing ability, when someone has the capacity to do something, or not.
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In the dialogue, there’s at least one example of each of these nine basic meanings.
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Can you find them?
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If you want a challenge, go back and listen to the dialogue again.
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Try to find one sentence with a modal verb which expresses each of the nine basic meanings.
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Let’s look together.
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Here are nine sentences from the dialogue.
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The first sentence is asking permission.
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You use ‘can’ to ask ‘Is this OK?’ Sentence two is talking about possibility.
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You’re saying that something is possible, but not certain.
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The third sentence is giving advice.
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Number four is expressing certainty.
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You’re sure that something is true now, or that something will happen in the future.
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In case you’re wondering, possibility and certainty are closely related.
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We’re separating them, but you could also see them as two sides of the same idea.
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However, probability, as in sentence five, is different.
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Here’s a question: what’s the difference between probability and possibility?
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Probability has different levels.
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Something can be 90% probable, or 50% or 20%, or whatever.
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Possibility is binary: either something is possible, or it isn’t.
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It doesn’t make sense to say that something is 50% possible.
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This might sound abstract, but it’s relevant to using modal verbs.
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Here, ‘should’ expresses probability.
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The sentence ‘They should say yes’ means that it’s more likely they’ll say ‘yes’ than ‘no’.
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The sixth sentence expresses refusal.
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‘Wouldn’t’ here has a similar meaning to ‘refused to’.
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Number seven is a request, when you ask someone to do something for you.
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The eighth sentence expresses an obligation.
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‘Must’ here means that it’s necessary to do something.
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Finally, the ninth sentence expresses ability.
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So, there’s a lot of information here!
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What should you take away?
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Let’s look at two key points.
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First, not every modal verb was used in these nine sentences.
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There’s no ‘could’, no ‘shall’ and no ‘may’.
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What does this tell you?
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It shows you what we told you before: every modal verb can have more than one meaning.
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Also, it shows you that every idea, like obligation, certainty, and so on, can be expressed by more than one modal verb.
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Let’s look at this point in more detail.
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Can you look at something for me?
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Sure. What’s up?
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It’s my laptop.
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It’s acting weirdly.
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I know you’re good with these things, so… What’s the problem exactly?
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It keeps freezing, and I can’t do anything for a while.
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Sometimes it’s just a few seconds, but sometimes it goes on for half an hour.
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It’s really annoying!
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Older laptops can get like that sometimes.
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But I only bought it six months ago!
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Do you have an antivirus program?
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Yes, and I do scans regularly.
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It can’t be a virus.
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I’m not so good with technology, but I am pretty security conscious.
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Hmm… That’s probably not the problem, then.
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Can I take it for an hour or so?
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I’ll need your login password, too.
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That way I can take a proper look.
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OK, here. Thank you so much!
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In this dialogue, there were five different sentences using the modal verb ‘can’.
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Do you remember them?
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Here they are.
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In each sentence, ‘can’ has a different meaning.
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Think about the nine basic meanings of modal verbs, which you saw in section two.
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Can you explain the meaning of ‘can’ in each of these sentences?
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Can you see how they’re different?
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‘Can you look at something for me?’ is a request.
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‘I can’t do anything for a while’ expresses ability.
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‘Older laptops can get like that sometimes’ expresses a general possibility.
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It’s like saying ‘It’s common for older laptops to get like that.’ ‘It can’t be a virus’ expresses certainty.
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It’s like saying ‘I’m sure it isn’t a virus.’ ‘Can I take it for an hour or so?’ is asking permission to do something.
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This is just one modal verb.
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‘Can’ is an extreme example, because most modal verbs don’t have five different meanings.
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Actually, ‘can’ has a sixth meaning—it can be used to make an offer, as in ‘Can I help you with anything?’ However, every modal verb has at least two different meanings, and most have three or four.
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So, what’s the point here?
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Point one: don’t try to understand modal verbs by translating them into your language.
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Of course, this is true generally, but it’s especially important with modal verbs, because they don’t translate cleanly between languages.
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If you think that ‘can’ in English translates to one verb in your language, you’ll create problems for yourself.
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Point two: to understand a modal verb in a sentence, you need to understand the context.
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Again, this is general advice, but again it’s especially important with modal verbs.
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The meaning of a modal verb can be completely different in different contexts.
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Point three: the different meanings of a modal verb are unconnected.
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Look at two sentences with ‘must’: ‘It must be late—it’s dark outside.’ ‘You must read this article.
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It’s so interesting!’ What does ‘must’ mean in these two sentences?
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In the first sentence, ‘must’ expresses certainty.
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You’re saying ‘I’m sure it’s late, because it’s dark outside.’ In the second sentence, ‘must’ expresses strong advice.
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Most English learners will first learn ‘must’ to express obligation, in sentences like ‘Employees must keep records of all expenses.’ Often, they’ll think about ‘must’ by translating it into their language.
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Then, when they see the word ‘must’, they think about the verb in their language.
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If you do this, you might think that other meanings of ‘must’ are somehow connected to the idea of obligation, or whatever you learned first.
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But, there’s no connection.
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It’s just coincidence that you use the word ‘must’ in these three sentences.
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The meaning is completely different in each case.
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There’s no connection except that the word is the same.
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Now, let’s look at one more thing you should know about modal verbs.
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What time are we supposed to be there?
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Ten, I think, but I think we ought to aim to arrive at least fifteen minutes before.
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So, that means we have to leave here at… what?
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Nine? We’d better leave earlier, I think.
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There’s a metro strike tomorrow, so the traffic will be terrible.
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Are we going to drive, or take a taxi?
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I’m not sure we’ll be able to find a taxi, so I think driving is best.
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In the dialogue, you heard several examples of semi-modal verbs.
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Do you know what these are?
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Here are the sentences you heard.
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So, what are semi-modal verbs?
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Semi-modals have some of the features of modal verbs, but not all.
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Most importantly, semi-modal verbs do the same thing as modal verbs.
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They add information to other verbs.
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They can express many of the same ideas, like obligation or giving advice.
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They don’t follow all the grammar rules of regular modal verbs.
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For example, ‘have to’ is a semi-modal, and you can use it in different tenses: it has a past tense, ‘had to’; you can use it in the present perfect, ‘I have had to…’ and so on.
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Often, modals and semi-modals can be used with the same meaning.
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Look at two sentences: ‘It’ll rain this afternoon.’ ‘It’s going to rain this afternoon.’ Here, you use ‘going to’, which is a semi-modal, to express certainty, in the same way that you can use ‘will’.
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It doesn’t matter which verb you use in this case.
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However, in some cases, semi-modal verbs have their own specific meaning.
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For example, ‘supposed to’ is similar to ‘should’, but not the same.
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Look at two sentences: ‘We’re supposed to be there at ten.’ ‘We should be there at ten.’ The basic meaning is similar, but not the same.
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If you use ‘should’, you’re saying that think this is important.
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If you use ‘supposed to’, you mean that think that this is important.
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‘We’re supposed to be there at ten’, suggests that someone else has told you to be there at ten, and maybe it’s not so important to you.
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Maybe you’re thinking at this point: how many semi-modal verbs are there?
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Can you give us a list?
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Not really, because it’s not entirely clear what makes something a semi-modal verb.
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Many textbooks will say that ‘need’ or ‘dare’ are semi-modals, but they’re rarely used in this way in modern English.
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The most common semi-modals are all in the dialogue at the beginning of this section.
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If you understand how to use these six semi-modals, you are doing well!
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Finally, a question: which modal verb is most difficult for you to understand and use in English?
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Why do you think that is?
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Please share your thoughts in the comments!
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Thanks for watching!
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See you next time!
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Vocabulário e dicas de fala para esta lição
Esta aula de conversação de nível B2 usa o vídeo “Complete Guide to English Modal Verbs - English Grammar Lesson”. As palavras que mais se repetem: verb, modal, sentence, meaning, nine. Este vídeo tem 220 frases e 2349 palavras para praticar shadowing. A fala dura 16:56. O falante mantém um ritmo estável de cerca de 139 palavras por minuto, confortável para o shadowing. 84% das palavras estão entre as 3.000 mais comuns do inglês; vale a pena estudar o restante antes de começar. 40 das 220 frases são perguntas, por isso é um bom treino para a entonação de perguntas e respostas curtas.
Vocabulário principal deste vídeo
As 15 palavras mais avançadas do vídeo, com pronúncia e significado:
| Palavra | Pronúncia | Significado |
|---|---|---|
| verb substantivo | /vɝb/ | verbo |
| obligation substantivo | /ˌɑ.blɪˈɡeɪ.ʃn̩/ | obrigação |
| certainty substantivo | /ˈsɝtn̩ti/ | certeza |
| probability substantivo | /ˌpɹɑ.bəˈbɪl.ə.ti/ | probabilidade |
| tense substantivo | /tɛns/ | tempo |
| translate verbo | /tɹænzˈleɪt/ | traduzir, verter |
| infinitive substantivo | /ɪnˈfɪnɪtɪv/ | infinitivo, infinito |
| refusal substantivo | /ɹɪˈfjuːzl̩/ | recusa, negativa |
| uncertainty substantivo | /ʌnˈsɜːtənti/ | incerteza |
| taxi substantivo | /ˈtæksi/ | táxi |
| antivirus substantivo | /ˈantɪvʌɪrəs/ | antivírus |
| contraction substantivo | /kənˈtɹækʃ(ə)n/ | contração |
| grammatically advérbio | gramaticamente | |
| impossibility substantivo | /ɪmˌpɑsɪˈbɪliti/ | impossibilidade |
| irreplaceable adjetivo | /ˌɪə.ɹəˈpleɪ.sə.bəl/ | insubstituível |
Phrasal verbs que você vai ouvir
| Palavra | Pronúncia | Significado |
|---|---|---|
| go back verbo | voltar | |
| check out verbo | verificar, sacar só | |
| come back verbo | voltar | |
| take away verbo | /ˌteɪk əˈweɪ/ | levar embora, retirar |
Frases que vale a pena repetir
Frases curtas e completas do vídeo que você pode usar na conversa do dia a dia:
- Why do you need them?
- What would you like to know?
- Can I ask you something?
- What should you take away?
- Can you see how they’re different?
Gramática neste vídeo
As estruturas que o falante mais usa, com as palavras exatas do vídeo:
| Estrutura | No vídeo |
|---|---|
| Present perfect have/has + particípio passado — uma ação passada que ainda importa agora | I've always wanted · you've thought · have had |
| Voz passiva be + particípio passado — o foco está no que acontece, não em quem faz | is followed · are often contracted · can be expressed |
Pronúncia para ficar de olho
O falante usa 64 contrações e formas reduzidas, como you're, I'm, can't. Diga-as na forma curta, do jeito que você ouve.
- Os sons de “th”: ninth /naɪnθ/, eighth /eɪtθ/
- Os sons de “sh” e “zh”: obligation /ˌɑ.blɪˈɡeɪ.ʃn̩/, contraction /kənˈtɹækʃ(ə)n/, pronunciation /pɹəˌnʌn.siˈeɪ.ʃən/, conscious /ˈkɑn.ʃəs/
- Palavras longas — acerte a sílaba tônica: probability /ˌpɹɑ.bəˈbɪl.ə.ti/, infinitive /ɪnˈfɪnɪtɪv/, uncertainty /ʌnˈsɜːtənti/, antivirus /ˈantɪvʌɪrəs/, impossibility /ɪmˌpɑsɪˈbɪliti/
Sons difíceis para falantes de português:
- Consoante final — sem acrescentar um “i” depois: verb /vɝb/, translate /tɹænzˈleɪt/, fluent /ˈfluənt/, textbook /ˈtɛkst.bʊk/, password /ˈpæs.wɜɹd/
- /l/ final — a língua toca o céu da boca, não vira “u”: modal /ˈməʊdəl/, irreplaceable /ˌɪə.ɹəˈpleɪ.sə.bəl/
- s + consoante no início — sem um “i” antes: spelling /ˈspɛl.ɪŋ/, scan /skæn/
Como praticar com este vídeo
- Ouça o vídeo inteiro uma vez sem falar e anote as palavras que você não conhece.
- Faça shadowing frase por frase na velocidade normal, repetindo cada uma até o seu ritmo ficar igual ao do falante.
- Grave a sua voz e compare com o original, prestando atenção a palavras como verb, obligation, certainty.
O que é a Técnica de Shadowing?
Shadowing é uma técnica de aprendizado de idiomas com base científica, originalmente desenvolvida para o treinamento de intérpretes profissionais. O método é simples, mas poderoso: você ouve áudio em inglês nativo e repete imediatamente em voz alta — como uma sombra seguindo o falante com 1-2 segundos de atraso. Pesquisas mostram melhora significativa na precisão da pronúncia, entonação, ritmo, sons conectados, compreensão auditiva e fluência na fala.