have 后接 done,have not 接什么形式
could not have done
have not done 和 not have done 区别在哪?
Have you ever 后接动词的什么形式
could not have done是什么意思?
为什么动词不定式后可以接have done?是什么句型?
have a good time后接动词什么形式?have a difficult time 后接动词什么形式?为什么?
should have done 和should not have done的区别
1should not have done 2 could not have done 3 would not have
应该是not have done 还是 hane not done
sb have/has done have/has not done have/has sb done What hav
can not done sth 和shouldn not have done sth 和might have done
have后接什么词性