题目

主句完成时从句用什么时态?
英语还有什么用什么时态来表什么时态吗?比如现在进行时表将来的.
还有别的吗？

提问时间：2021-04-01

答案

过去完成时的时间状语before,by,until ,when,after,once,as soon as.
He said that he had learned some English before.
By the time he was twelve,Edison had began to make a living by himself.
Tom was disappointed that most of the guests had left when he arrived at the party
现在完成时的时间状语
for,since,so far,ever,never,just,yet,till / until,up to now,in past years,always,不确定的时间状语
用于现在完成时的句型
1）It is the first / second time….that…结构中的从句部分,用现在完成时.
It is the first time that I have visited the city.
It was the third time that the boy had been late.
2）This is the… that…结构,that 从句要用现在完成时.
This is the best film that I've (ever) seen.
这是我看过的最好的电影.
This is the first time (that) I've heard him sing.这是我第一次听他唱歌.