had been doing 和had been done有什么差别?
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hadbeendoing和hadbeendone有什么差别?hadbeendoing和hadbeendone有什么差别?hadbeendoing和hadbeendone有什么差别?表示某事被做,.如：
had been doing 和had been done有什么差别?
had been doing 和had been done有什么差别?
had been doing 和had been done有什么差别?
表示某事被做,.如：Theproblemshavebeensolved.这些问题已经被解决了.hadbeendone则是过去的过去,是过去完成的被动态时.（当你想说发生在过去的两件事时,就要分清谁先谁后.先发生的用过去完成时,后发生的要用过去时）.如句子：Ihavebeendreamingallthenight.hadbeendoing是过去完成进行时,也是过去的过去,需要时间先后顺序的对比.如：Ihadbeendoingthecleaningbeforemymotherarrivedathome.那么现在就可以区分hadbeendoing和hadbeendone的区别了
had been doing 和had been done有什么差别
had been doing 和had been done有什么差别?
had been doing 和 had done的区别
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 been doing是什么是时态?
had been doing是主动还是被动
was doing、had been doing和had been done都有什么区别?was doing和had been doing不是都是指过去一段时间做的事情吗?他们俩有什么区别吗?had been doing 和 had been done 又有什么区别. 话说我在写英语句子时不
Had been telling和 Had told
求问had gone和had been
英语时态区分have done .have been doing.had done.had been doing.有什么区别.
had been
had been和had been to的区别
英语,has been和 had been
have been doing,had been doing,will have been down是什么
had been looking forward后面加to do 还是doing?
had been doing是什么语法?举个例子~有have/has been doing的说法吗?