had been doing 和had been done有什么差别?
来源:学生作业帮 编辑:作业帮 分类:英语作业 时间:2024/05/11 16:01:38
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?
was doing、had been doing和had been done都有什么区别?
英语时态区分have done .have been doing.had done.had been doing.有什么
had done 和 had been done有什么区别啊?
had been doing 和 had done的区别
have done.have been done .had done.had been done 有什么区别?怎么用?有
have had . 和have done . had done . 和 have been doing . had b
请问have\has\had done和have\has\had been done 各有什么区别?been和gone又
what had been done had been done.
having been done和had been done的区别
英语had done 和had been done区别