since后加过去时和加完成时有什么区别?
It's 20 years since I've seen her 与
It's 20 years since I saw her 的不同点在哪?
since后加过去时和加完成时有什么区别? It's 20 years since I've se
答案:6 悬赏:80
解决时间 2021-03-15 06:09
- 提问者网友:冥界祭月
- 2021-03-14 10:42
最佳答案
- 二级知识专家网友:夢想黑洞
- 2021-03-14 11:50
当since表示“自从”时,不管它是用作介词、连词还是副词,它通常都要与现在完成时连用.如:
I’ve worn glasses since my childhood.我从小就戴眼镜.
The works have been closed since January.一月份以来这些厂就关闭了.
He’s put on a lot of weight since he gave up smoking.他戒烟后体重增加了许多.
Nothing has happened since.从那以后未发生什么事.
She moved to London last May and has since got a job on a newspaper.她去年五月到伦敦此后一直在报社工作.
有时连用现在完成进行时.如:
He has been working since noon.他从中午就开始工作了.
二、since搭配时态的特殊情况
虽然since通常要与现在完成时连用,但在以下情况,它也可以连用除完成时态以外的其他时态:
1.当主句表示“多长时间”时,动词可用一般现在时(当然也可用现在完成时).如:
It’s a long time since I met you last.好久不见了.
It’s just a week since we arrived here.我们到这里才一个星期.
It’s a long time since I met you last.从上次见到你,已有很长时间了.
以上各句的it is也可换成 it has been,不过在口语或非正式文体中,用一般现在时的情形比较普遍.
2.当主句谓语动词为seem等连系动词时.如:
It seems like years since we last met.我们似乎几年未见面了.
It seems like years since I last saw you.从上次见到你以来好像已经有许多年了.
3.当主句和从句表示情况“变化”时.如:
She doesn’t come round to see us so much since her marriage.自从结了婚,她不怎么过来看我们了.(原来经常来,结婚后就不怎么来了)
Since he went on that course he thinks he knows everything.自从他选了那门课程,他就认为自己什么都懂了.(原来不认为自己什么都懂,但选了那门课程后就认为自己什么都懂了)
I’ve worn glasses since my childhood.我从小就戴眼镜.
The works have been closed since January.一月份以来这些厂就关闭了.
He’s put on a lot of weight since he gave up smoking.他戒烟后体重增加了许多.
Nothing has happened since.从那以后未发生什么事.
She moved to London last May and has since got a job on a newspaper.她去年五月到伦敦此后一直在报社工作.
有时连用现在完成进行时.如:
He has been working since noon.他从中午就开始工作了.
二、since搭配时态的特殊情况
虽然since通常要与现在完成时连用,但在以下情况,它也可以连用除完成时态以外的其他时态:
1.当主句表示“多长时间”时,动词可用一般现在时(当然也可用现在完成时).如:
It’s a long time since I met you last.好久不见了.
It’s just a week since we arrived here.我们到这里才一个星期.
It’s a long time since I met you last.从上次见到你,已有很长时间了.
以上各句的it is也可换成 it has been,不过在口语或非正式文体中,用一般现在时的情形比较普遍.
2.当主句谓语动词为seem等连系动词时.如:
It seems like years since we last met.我们似乎几年未见面了.
It seems like years since I last saw you.从上次见到你以来好像已经有许多年了.
3.当主句和从句表示情况“变化”时.如:
She doesn’t come round to see us so much since her marriage.自从结了婚,她不怎么过来看我们了.(原来经常来,结婚后就不怎么来了)
Since he went on that course he thinks he knows everything.自从他选了那门课程,他就认为自己什么都懂了.(原来不认为自己什么都懂,但选了那门课程后就认为自己什么都懂了)
全部回答
- 1楼网友:转身后的回眸
- 2021-03-14 16:45
第一句,我已经看了她二十年
第二句,离我上一次见她已经有20年了
- 2楼网友:统治我的世界
- 2021-03-14 15:45
你好!
如有疑问,请追问。
- 3楼网友:狠傷凤凰
- 2021-03-14 14:38
两句都不对
It's been 20 years since I saw her (last time)
It's 这里是It has缩写
- 4楼网友:情战辞言
- 2021-03-14 13:29
过去式 是过去某一时间发生的事情 过去完成式 一时间或动作以前已经发生或完成了的动作对过去的某一点造成的某种影响或是结果,用来指在另一个过去行动之前就已经完成了的事件。它表示动作发生的时间是“过去的过去”,侧重事情的结果。
- 5楼网友:情战辞言
- 2021-03-14 12:14
你好我也对这个问题感兴趣,我希望在我说完后你回答我的问题。我也好知道自己说的对不对。第一句缩写并不是has,而是is。第二句缩写用 has 更加合理,但是我觉得有问题,应该是it has been 20。请问,第二句你确定你提供的是对的而不是我说的这句吗?
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