shouldn't be&couldn't have been的提问
can’t have been与couldn’t have been的区别?
couldn't和shouldn't的区别,急要
Shouldn't Have To Be Like That
英语翻译A.can't have been B.mustn't have been C.shouldn't have b
should have done和shouldn't have done,couldn't have
couldn't 和shouldn't 区别,
must/should/shouldn't/needn't/could/couldn't/may/mought+have
there must have been a storm there.__.a there couldn't be b.
you shouldn't have taken my friend=you shouldn't been taken
should have done ,shouldn't have done.could have done,couldn
英语选择题的疑问----i am sorry ,i shouldn't have been so rude to you
shouldn’t have done的几个意思