may,can,could,must的肯定否定句应怎么回答?

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may,can,could,must的肯定否定句应怎么回答?
may,can,could,must的肯定否定句应怎么回答?

may,can,could,must的肯定否定句应怎么回答?
may - 肯定回答:might,may 否定:may not
can -肯定回答:Yes,sb can 否定:can't
could -肯定回答:yes,sb could 否定:couldn't
must 肯定:must 否:needn't

We may/can/could/nust do it.我们
may可以(最有礼貌的讲法)/can可以/could可以(有礼貌的讲法)/nust (必须要做,不做会死,也是最没礼貌的讲法
We may/can/could/nust not do it.
注动词 后面 加 原型动词唷^^

肯定句直接用,否定句加not!

yes,you could;no, you couldn't
yes, you can; no, you can't
yes,you must; no, you don't need to