have been done 这个短语要是在句子中,哪个词是谓语动词?
have been done 这个短语要是在句子中,哪个词是谓语动词?
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
非谓语动词中being done ,done,having been done,have done 有什么区别
非谓语动词的问题请问to be done 与 to have been done在题目中同时出现怎么区别?请举例,
英语句子中谓语到底是动词还是动词短语?
非谓语动词用法to have done/having done/to have been done/having bee
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having been done,to have been done什么时候用?
在Larke likes the pop music这个句子中,likes充当谓语,like是谓语动词,
非谓语动词作状语时,have been done 和done的区别
英语非谓语动词中有having been done,那有没having done形式?
在一个英语句子中,b动词,不及物动词哪个是谓语