搜搜做题作业网since的问题It is almost 5 years since we saw each other last ti
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since的问题
It is almost 5 years since we saw each other last time.
这句话主句为什么不用现在完成时?我觉得把is改为has been也可以啊.
since可以接什么时态?（全部）
It is almost 5 years since we saw each other last time.
这句话主句为什么不用现在完成时?我觉得把is改为has been也可以啊.
since可以接什么时态?（全部）
1,since 可用作连词,介词,副词.
作为"自从"之意时为介词.
详细词意见后．
2,决定和影响时态的,并不是since本身.
由since界定的时间有三种含义,
一种是已经指定的时间过程,此时用完成时态;
一种是概括指定的时间全段,用一般现在时态;
一种是指定事件发生的时间范围;此时用一般过去时态.
3,下面例子中的yesterday 同理.
例:
1,Yesterday is history
----引自:http://en.wikisource.org/wiki/Yesterday_is_History
2,Yesterday is not today.
3,Yesterday is gone.
----此为一首英文歌曲的标题.
再如:
1,google:
But here it is almost 5 years later.
2,08年6月大学英语B统考（机考）
It is almost one year since we graduated from university.
再注：
1,It's been ten years since they married. 他们结婚到现在已经十年了.
此处的it's 则是it has,不是it is．
2,如果给初中＼高中辅导,不要提倡一般现在时态的用法．一般现在时态和一般过去时态都不是常用的用法．
3,英语和汉语一样,有许多容错的用法．和老外的对话中,除了口语中要注意习惯性的用法外,时态错位并不影响交流．
附：since [美] [ sɪns ] [英] [ sins ]
副词
此后;从那时到现在
She left school three years ago and has worked as a nurse ever since. 她三年前毕业,从那时起便一直当护士.
之前,以前
介词
(常用于现在完成时或过去完成时)自...以来,从...至今
I haven't heard from him since last year. 我自去年以来未曾收到过他的信.
连词
(常用于现在完成时或过去完成时)自...以来,从...至今
It's been ten years since they married. 他们结婚到现在已经十年了.
She has been living a hard life since her husband died. 她自从丈夫死后,一直过着艰苦的生活.
既然;因为,由于
He must have taken the book since it isn't here. 他一定是把书拿走了,因为书已不在这里了.
Since it is so hot, let's go swimming. 既然天气这么热,我们去游泳吧.
作为"自从"之意时为介词.
详细词意见后．
2,决定和影响时态的,并不是since本身.
由since界定的时间有三种含义,
一种是已经指定的时间过程,此时用完成时态;
一种是概括指定的时间全段,用一般现在时态;
一种是指定事件发生的时间范围;此时用一般过去时态.
3,下面例子中的yesterday 同理.
例:
1,Yesterday is history
----引自:http://en.wikisource.org/wiki/Yesterday_is_History
2,Yesterday is not today.
3,Yesterday is gone.
----此为一首英文歌曲的标题.
再如:
1,google:
But here it is almost 5 years later.
2,08年6月大学英语B统考（机考）
It is almost one year since we graduated from university.
再注：
1,It's been ten years since they married. 他们结婚到现在已经十年了.
此处的it's 则是it has,不是it is．
2,如果给初中＼高中辅导,不要提倡一般现在时态的用法．一般现在时态和一般过去时态都不是常用的用法．
3,英语和汉语一样,有许多容错的用法．和老外的对话中,除了口语中要注意习惯性的用法外,时态错位并不影响交流．
附：since [美] [ sɪns ] [英] [ sins ]
副词
此后;从那时到现在
She left school three years ago and has worked as a nurse ever since. 她三年前毕业,从那时起便一直当护士.
之前,以前
介词
(常用于现在完成时或过去完成时)自...以来,从...至今
I haven't heard from him since last year. 我自去年以来未曾收到过他的信.
连词
(常用于现在完成时或过去完成时)自...以来,从...至今
It's been ten years since they married. 他们结婚到现在已经十年了.
She has been living a hard life since her husband died. 她自从丈夫死后,一直过着艰苦的生活.
既然;因为,由于
He must have taken the book since it isn't here. 他一定是把书拿走了,因为书已不在这里了.
Since it is so hot, let's go swimming. 既然天气这么热,我们去游泳吧.
It is three years ( ) we saw each other last year.括号中应填since
It's three years since we saw each other last time = We ____
(it is ） four years since we last saw each other.这句话括号里为什么不是
it's been six years since we last saw each other是个什么从句?
‘It's been six years since we last saw each other’怎么翻译?
It _(be)five years since we last saw each other.
how many years has it been since we last saw each other?
it is almost five years （）we saw each other last time
It is almost five years ___ we saw each other last time.
1.it ____ 5 years since we knew each other.A is B had been C
It __ a long time since we last saw each other
一道初一英语连词成句many,it,is,they,years,since,other,time,saw,each,la