非谓语动词做定语时可以用那些结构?having done ,having been done ,having been
非谓语动词做定语时可以用那些结构?having done ,having been done ,having been
非谓语动词用法to have done/having done/to have been done/having bee
非谓语动词having been done,to have been done什么时候用?
英语非谓语动词中有having been done,那有没having done形式?
非谓语动词中being done ,done,having been done,have done 有什么区别
非谓语动词 什么时候用过去分词done 什么时候用having been done?
having been done 为什么不能做定语?
having been done能做定语吗?
非谓语动词having done可以作定语吗
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
Having been done ,done,having done
非谓语动词被动态的done和having been done有什么区别?