区分can do sth.和could do sth.
can you do sth.
can you do sth 和 do you do sth 的区别是什么?
是can to do sth.还是can do sth.
can't but do sth
急:请用英语造句子请用could you please do sth?和could I do sth各造一个句子
Sb Will be able to do sth 和 sb can do sth
can not wait to do sth和can not help doing sth还有can stop doin
would you mind doing sth.could you please do sth.
Could I do sth?的否定回答
I could please to do sth
could you plese not do sth
区分一下sth be supposed to do和sth be supposed to be done