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(Yes , I can. / No, I can’t)
Can she / he …?
(Yes,she can./No,she can’t.)
Step 2 Presentation
Present the pictures and learn the new words.
Step 3 Usage of can, could and may
1. Enjoy more pictures and talk about the usage of can and could.
2. Presentation
Using “can”/ “could” to talk about ability.
We use “can” to talk about present ability.
We use “could” to talk about ability in the past.
e.g. Millie can speak good English.
Shirley cannot ride a horse.
The old man could swim across the Yangtze River.
We use can, could or may to ask for permission. Could sounds more polite than can. May is formal.
e.g. — Can I borrow your bike, Millie?
— Yes, you can. Here you are.
— Could I smoke here?
— Sorry, I’m afraid you can’t.
— May I use your mobile phone?
— Of course you may.
3. Explanation
1) can与could
can常用于口语中, 表示非正式的请求, 请求对象一般是家人或朋友。
e.g. — Can I borrow your bike, Simon? 西蒙, 我可以借一下你的自行车吗？
— Of course. 当然可以。
— Can I have some milk, Mum? 妈妈, 我可以喝点牛奶吗？
— Yes, you can. 好的。
could是can的过去式。在口语中, could常用来代替can向对方更委婉地提出请求, 用法上比can正式, 可以用于向老师或长辈提出请求, 这时could不表示过去, 回答一般还是用can。
e.g.— Could I use your computer, please? 请问, 我可以用一下你的电脑吗？