may,can,could,must的肯定否定句应怎么回答?
问题描述：
may,can,could,must的肯定否定句应怎么回答?
答
yes,you could;no, you couldn't
yes, you can; no, you can't
yes,you must; no, you don't need to
答
肯定句直接用，否定句加not！
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
答
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^^