I couldn’t possibly have finished such a long book in such a

来源：学生作业帮编辑：搜搜做题作业网作业帮分类：英语作业时间：2024/07/31 04:11:43

I couldn’t possibly have finished such a long book in such a short time.
我想知道,为什么用 have finished ,而不用finish?

could have do sth.表推测,这句话的意思是“我不可能在如此短的时间内完成一本书”,因为结果还不知道,所以用表推测的句型.

I couldn’t possibly have finished such a long book in such a 16:After such a long walk,mylegs_____and I couldn't go any f 请问“I have no such book.”与“I have no such a book"的区别? 请问“I have no such book."与“I have not such a book ."的区别? Such a noise ( )that I couldn’t make meself heard How can I possibly answer such a question There isn't such a book in our library With such a long time,I think such a person? able to have such a long holiday I could have such a situation but i didn`t. You don't have to come in such a hurry .I'm busy now ,and I I also had such a long