来源:网络资源 2023-01-12 17:27:02
与现在完成时“未完成”用法连用的时间状语
与“已完成”用法一样,表示具体的过去的时间状语不能与“未完成”用法连用。与其连用的往往是指一段时间的状语以具体表示某一动作或状态持续了多久。
a. since +具体时间,表示动作或状态从何时开始
Since then, he has developed another bad habit.
自那以后他养成了另一个坏习惯。
He hasn't been home since he graduated.
他毕业后就没回过家。
b. for +一段时间,表示动作或状态持续了多久
We have worked here for ages.
我们在这里工作很久了。
There has been no rain here for nearly two months.
这里已经近两个月没有下雨了。
c. until now, up till now, so far, up to the moment
到目前为止
I have not seen him so far.
到目前为止我没见过他。
Up to the present, everything has been OK.
到目前为止一切正常。
d. in/during the past/last five years
在刚刚过去的5年里
He has been away from school during the last few weeks.
过去的几个星期里他没在学校。
In the past few years they have dealt with quite a few international corporations successfully. 在过去的几年中他们已经和好几家跨国公司做成了生意。
e. all the while, all day一直,一整天
She has been busy all day.
她忙了一整天。
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