had(have) been后面加形容词,表示什么?最好结合举例说明.

had(have) been后面加形容词,表示什么?最好结合举例说明. have后面加had是什么意思? have/has/had加been是什么时态 英语语法 ...would have been 后面加什么? 现在完成时have后什么时候后面加been? have ever 为什么后面加been 完成时HAVE后面什么时候加BEEN 解释英语语法问题 关于动词后的形容词例句,sb had been sitting dead.请问had been后面为什么加sittingsit为什么加ing,sitting dead又是怎么样的一个用法? 举例说明,谢谢 had been looking forward后面加to do 还是doing? All that can be eaten( )eaten upA are beingB has been C had beenD have been 问一下all为什么后面加单数,all什么时候后面加单数,什么时候加复数? I have a little 后面可以加形容词吗 加since的句子时态的用法句子后面+since,前面的时态应该用什么.比如 I___here since I was a child.A.have been staying B.had been staying C.stayed D.have stayed E.had stayed your job ___ open for your return.A.will be kept B.will keep C.had kept D.had been kept.为什么不能选B呢?keep作为系动词,后面不是可以加形容词吗? 什么后面加形容词 形容词后面加什么的 have been on和have been in后面分别加什么 have been keeping doing 为什么错了是因为have been后面不能加状态么 Have后面加动词过去式和Had后面加动词过去式有什么区别?