have/has been+pp和have/has+pp的区别是什么
have/has been+pp和have/has+pp的区别是什么
have been 和 has been的区别
had been 和 has/have been的区别是什么?
现在完成时中,have/has 和 have/has been的区别
现在完成式的句子当中,have-has+pp两个是当一个动词来看?还是pp动词,have-has助动词?
has been和have been区别
has been have been的区别
was were+动词ing与be+动词过去式区别,had+pp.与have\has+pp.的区别
被动语态的结构?have/has been 和 have/has gong 的用法和区别?
过去现在时 have /has been doing和have/ has +过去分词的区别
have/has been to 和 have/has gone to 的区别:
have/has been to 和 have/has gone to 的区别.该怎么区分啊.