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
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
非谓语动词用法to have done/having done/to have been done/having bee
非谓语动词中being done ,done,having been done,have done 有什么区别
非谓语动词被动态的done和having been done有什么区别?
放在句子开头是Not having done还是Having not done
英语非谓语动词中有having been done,那有没having done形式?
非谓语动词做定语时可以用那些结构?having done ,having been done ,having been
having been done ,having done 这个非谓语动词在句子中不可以充当什么成分
非谓语动词having been done,to have been done什么时候用?
在非谓语题目中,having been done 和done 的区别是什么啊?
非谓语动词中done ,being done ,与having been done 的区别 那位牛人帮小女子解答,
not having done 还是having not done?