had been什么时态
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had been什么时态
过去完成时
had been什么时态
had been done 用于什么时态?
英语时态区分have done .have been doing.had done.had been doing.有什么区别.
had been doing 是什么时态?
had been doing是什么时态
had been doing是什么时态
had用于什么时态
had+过去式,什么时态
have/has/had加been是什么时态
had been doing是什么是时态?
请问英语had been 是什么时态呢?在什么情况下用呢
关于时态的问题have beenhave been 和have had been有什么区别?原句是这样的:I've heard has been good.有have也有has
i wish you had been more interested in culture.为什么用had been 是什么时态?
I had been sitting的意思.,时态,相关句子-举例
That was the second time that he( had been punished)because he drove afterdringing什么时态谢谢
had been doing是什么时态,从过去持续的现在?还是过去的过去?还是别的什么
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
had had been taken 是什么时态那解释一下两个had分别是什么作用