放在句子开头是Not having done还是Having not done
放在句子开头是Not having done还是Having not done
not having done 还是having not done?
非谓语动词的否定式是having not been done 还是not having been done?放在句首时
在句子中作状语时,not放在having done前还是后?
Not having done
not having done 和 having not done 的区别
not having done 还是having not done 为什么 我纠结半天了
(not)having done sth,sb did
never having done还是having never done
什么时候句子用having done开头
Having been done ,done,having done
是having done“绝”不作定语,还是having done“决”不作定语