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A short class with Sarah and her students. The other ways are under More.
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Today we're going to learn about the modal verb 'can.' Can anyone tell me what it typically expresses?
I think it shows ability!
That's right, Student_1! 'Can' is used to indicate present abilities, like saying, 'I can speak Spanish.'
Can it also be used for permission?
Absolutely, great question! 'Can' can also ask for permission, like, 'Can I go to the restroom?' One way to remember this is with the phrase: Can = Capability and Permission.
Can we use it in other contexts too?
Yes, in addition to ability and permission, we can use 'can' to discuss possibilities. For instance, 'It can be sunny tomorrow.'
So, it has multiple uses!
Exactly! So remember, when you think of 'can,' also think about capability and permission.
Now let's look at 'could.' Can someone explain its primary use?
Is it the past form of 'can'?
Correct, Student_1! We use 'could' to express past abilities, like 'When I was a child, I could play the piano.' Who can give me another example?
'I could ride a bike when I was younger.'
Well done! And 'could' can also be used to make polite requests. For example, 'Could you help me with my homework?'
What about possibilities?
Good question! 'Could' is also used to express possibility, as in, 'It could rain later today.' Remember this: Could = Capability in the Past and Polite Requests.
So, we can use it in many ways depending on context?
Exactly! Each context gives it a different nuance. Keep practicing, and it'll become second nature!
Let's compare 'can' and 'could.' How would we use them differently in context?
'Can' is for present abilities, and 'could' is for past abilities.
Very good! Now, can someone give me an example of how to change 'can' to 'could'?
If I say, 'I can swim,' to make it past, I would say, 'I could swim.'
Exactly! Now, let's look at permissions. 'Can I go to the party?' becomes?
'Could I go to the party, please?'
Great! A polite request! Always remember, 'Use can for now, use could for when it was!'
When you can, you can do; when you could, it's past, it's true!
Once, a boy named Sam could ride a bike but now he can only walk; this reflects the transition from 'could' to 'can'.
For 'can,' think of Current Ability & Now. For 'could,' think of Childhood Outcomes, Usage, & Decisions.
C.A.P.: Can - Ability, Acceptance (Permission), Possibility. Could - Contextual request, Old abilities, Use for politeness, Dreams of past.
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Can
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Term
Could
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Difference between Can and Could
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The section discusses the modal verbs 'can' and 'could,' highlighting their uses in expressing ability, permission, and possibility.
In this section, we explore how the modals 'can' and 'could' function in English. 'Can' indicates present abilities or permissions, while 'could' often refers to past abilities or polite requests. Understanding their uses is important for effective communication and conveying different tenses of ability and permission.
The modal verbs can and could are essential in expressing ability, permission, and possibility in English grammar.
Can: This modal is used to denote present abilities (e.g., 'I can swim'), permissions (e.g., 'Can I leave early?'), or even possibilities (e.g., 'It can rain today'). It is versatile and applicable in everyday communication.
Could: Serving as the past tense of 'can,' 'could' indicates abilities in the past or expressing polite requests (e.g., 'I could swim when I was younger'). It can also suggest possibilities in a more hypothetical or conjectural sense (e.g., 'It could rain later').
Understanding these modals helps in articulating various nuances in communication and expands one's grammatical versatility.