问题 请问这句话which后的has，had是是什么句子中的成分呢

...of ancient Mesopotamia, which, archaeological detective work has revealed, had its origins in the accounting practices of commercial activity.

问题 动词时态问题

If she (had had) the chance,she would rather (had lived) 100years ago.请问此句是在对过去情况的假设吗? 为什么用过去完成时态是不对的?  would rather had lived 难道不能用来对过去情况假设吗?

问题 虚拟语气中对过去情况表示虚拟时would have done 和 had done的区别

在 if 引导的条件状语从句中表示对过去的虚拟不可以用 would have done；但是在 wish 的用法中，表示对过去的虚拟 would have done 和 had done 却都能用，这是为什么？且两者有什么区别吗？

问题 为什么I had ever expected to experience要翻译成"我从未想过的“， 为什么会有否定在这里。

...ion of what so utterly perplexed me. It was evident that colours and forms had a significance for Strickland that was peculiar to himself. He was under an intolerable necessity to convey something that he felt, and he created them with that intention alone. He did not hesitate to simplify or to dist...

问题 是不是主语重复了(After I had done the work,I left early.)

After I had done the work, I left early.是不是主语重复了？麻烦老师解答。含有逗号的一句话，怎样可以更多地变换它的表达方式，提高表达技巧呢？请老师举例说明一下，谢谢。

问题 关于独立主格 名词/代词+ done的形式

老师们好，我想知道下面的句子：After the task had been completed, he finally had a holiday.改成独立主格是不是这样：The task completed, he finally had a holiday.是不是还可以说：The task having been completed, he finally had a holiday.?还可以改成：The task being...

问题 倍数表达法选择题

A new laptop costs about _____ of a second-hand one. A three times the price B three times more than the price C three times as much as the price老师好！这里的A是对的，B为什么不对？C是我自己写的，对吗？

问题 have been on the meeting for 10 minutes还是have had

问题 长难句式分析

 This trend began during the Second World War, when several governments came to the conclusion that the specific demands that a government wants to make of its scientific establishment cannot generally be foreseen in detail.这句话中，蓝色部分的是定语从句吗？我查了柯林斯...

话题 who had looked after，who looked after her过去完成时用法疑问？

问题 表示现在时间的虚拟，为什么可以用If had done...would have done这种形式呢

.....Don't move or I'll kill you..."Blake sat back abruptly in his seat.If he had wanted to stand and shout for help, he would not have been able to. His tongue had swelled to twice its size, and when tried to move it, it stuckhorribly to the roof of his mouth. His legs were limp.-John Cheever: The Fiv...

问题 能用一般过去时planned代替had planned吗

Toh ___4___ (plan) to return to Malaysia after graduation. However, upon graduation, GuangxiArtsUniversity offered him a job. The job offer made him stay in China.请问老师，空处可否填planned。

问题 形容词短语的判断与翻译

Basic to any understanding of Canada in the 20 years after the second war is the country’s impressive population growth.请问各位老师，1. 此句中to any understanding of是与basic组成一个形容词短语吗？2. 如果是的话，譬如此类的形容词短语如何翻译？有什么规...

问题 if条件句虚拟语气不同时态的辨析(if had used, if could have used)

...句使用了could have used ? 如何理解？如果把could have used改成had used,如下b)句：b) If I had used a bat with two hands, I could have killed the first one surely.意思有变化吗？  

问题 she's had a laser surgery on her eye.中的's是is的缩写吗

如果是，那么is had是被动语态be done 吗？如果是，那为什么做手术要用被动语态？如果不是，请问这里是什么语法呢，谢谢！