请问 have been 后面接什么词例如句子three students have been killed so far这个是现在完成时的被动语态么 可不可变成three students have killed so far如果不可为什么 有什么区别have been 后面应该接什么词

have/has been 后面跟什么词? 请问 have been 后面接什么词例如句子three students have been killed so far这个是现在完成时的被动语态么 可不可变成three students have killed so far如果不可为什么 有什么区别have been 后面应该接什么词 英语语法 ...would have been 后面加什么? 请问一下have been to和have been in和have been at有什么区别? 请问have been 和has been有什么区别 请问have no choice but 后面接什么? have been on和have been in后面分别加什么 have beenhave ever been后面分别跟什么? 请问have collected 和have been collecting 有什么区别 英语Have beenI've been forgetful lately 1.为什么在这个句子当中Have been后面可以接Forgetful,那这句话该怎么翻译啊?不是一搬接ING嘛,2.Have been通常什么情况的时候使用, 什么时候用have been,什么时间have/has后面直接加过去分词? has been doing 的用法看到一句话：it has been a favorite magazine sinc i was a child.has been 后面接了名词,这是属于什么时态的用法呢?是have been doing Have been 什么意思? I have been like this since last month 句意? 且请问been充当什么成分 请问这句是英文什么时态i have been beijing .been 是什么意思,它的原形是什么呢. have been here 后面可不可以用since 现在完成时have后什么时候后面加been? have ever 为什么后面加been