目录

Since的导学-------------------------3

Since的知识点讲解--------------4

Since的经典例题------------------8

Since的经典例题讲解----------10

Since的例题讲解视频----------11

since的知识点讲解

since(prep)自……以来 (adv)从那以后，其后 (conj)自……以来；既然，因为

讲解:since是重点考点之一.请同学们重点学习

1)since表自从,是完成时的标志,可作为介词使用,其后+具体时间,还可作为连词,其后+句子

例:We've been waiting here since two o'clock.从2点钟开始,我们就一直等在这里。

例: I haven't seen her since she left London自从她离开了伦敦,我就没见过她。

2)since不与瞬间动词连用(完成时的易考点)

常考的转换: come to某地--- be in待在某地; leave---be away离开某地;die---be dead死; join---be in+组织, 参加了某组织; marry---be married结婚. Buy/borrow---have 买/借来…

例:He came to KF in 1999, he has been in KF since 1999.

例:She left 3 minutes, she has been away for 3 minutes

例:He died in 2008, he has been dead since 2008.

例:He joined Army in 2008, he has been in Army for one year.

例:He married her last month, they have been married since last month.

例:I bought the book last year. I have had it for one year.

2) 表示既然,只做连词用,其后只能+句子,比because的语气弱.

例:Since you are going , I will go too. 既然你要去，我也要去

词组: ever since 从那时起一直

例:We've been friends ever since we met at school.从我们上学时认识以来,我们就一直是朋友.

联系: ago一般过去时的标志, since完成时的标志

 1、He ______in Zhuzhou since seven years ago.

   A. works        B. worked            C. had worked  D.has worked

 2、______ it is late, I shall go home now.

 A.  As if     B. Though   

 C.  since   D.Till

 3、It ______ ten years since she left me.

  A. is      B. has   

  C. was   D. had been

since的例题讲解

第一题【D】

解析：主+现在完成时 since…ago. 某人自从做…多久了。

翻译：自从三年前他一直在杭州工作。

第二题【C】

解析：since表示因为。

翻译：因为太晚了，我打算回家。

思考：还有哪些表示因为的连词？

第三题【A】

解析：It is/has been 一段时间 since 一般过去。

翻译：自从她离开我已经三年了。