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since和for的用法口诀

发布时间:2021-05-17 人气: 作者:龙门尚学

本文由龙门尚学三阳路校区于老师整理,旨在让同学们对since和for的用法口诀有更深刻的了解。希望同学们能举一反三、融会贯通,这样会记忆的更加牢固。

这两个词都可以和表示工夫的词语连用。普通说来,for后接一段工夫,用以阐明某事不断停止了多长工夫,而since后接某一工夫(过来的一个工夫点),用以表示某件事开端的工夫。

since和for的用法口诀

since 的四种用法

1.since+过来一个工夫点(如详细的年、月、日期、钟点、ago. 1990 , last month , half past six

I have been here since 1990. 1990起,我不断在这儿。

2.since+ 一段工夫+ago

I have been here since five months ago。自从五个月前,我曾经在这儿了。

3.since+从句

Changes have taken place since you left. 自从你走后,曾经发作了很大的变化。

4.It is +一段工夫+since从句

It is two years since I became an English teacher. 我成为英语教师有两年了。

since 和for区别

1.Since+工夫点,详细工夫

“自从、、、、以来,从、、、当前”用来阐明举措起始工夫

I have been in Beijing since 2010.

2.For + 工夫段,用来阐明举措延续工夫长度,因而句中的谓语动词,也应该是延续性动词。

I have been in Beijing for one year。

We have learnt English for about three years.

I have been here for 3 days. (对)

I have arrived here for 3 days.(误)

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