【高中英语知识】:时间状语从句引导词有哪些

发布时间:2020-12-19 19:31:55 阅读数:
摘要: 时间状语从句就是表示时间的状语从句,时间状语从句常见的引导词有:when、while、before、after、since、until、as soon as、the moment、the minute等等。...

  时间状语从句就是表示时间的状语从句,时间状语从句常见的引导词有:when、while、before、after、since、until、as soon as、the moment、the minute等等。

高中英语知识,时间状语

  一、when

  1.at or during the time that意为“当....时”,从句动作和主句动作:同时发生。

  例句:I loved history when I was at school.

  我上学事喜欢历史

  When she came in, I was eating.

  当她进来时,我在吃饭。

  2.从句动作和主句动作:先后发生。

  例句:Call me when you've finished.

  当你结束了,打电话给我。(从句动作先发生)

  3.just after which意为“就在那时..."或“...忽然...”之意。

  例句:We were about to leave when he came in.

  你完成后就打电话给我。

  二、while

  1.at the same time as sth else is happening意为“当....时”,主从句动作同时发生。

  例句:While my wife was reading the newspaper, I was watching TV.

  我妻子在读报纸的时候,我在看电视。

  2.during the time that sth is happening意为“在...期间”,主句动作发生在从句动作过程中。

  例句:Please look after my little dog while we are away.

  在我离开的这段时间请帮我照顾小狗。

  While they were talking, the bell rang.

  我们谈话的时候,铃响了。

  三、as

  1.表示在某事发生的过程中,另一事发生。

  例句:Just as he was speaking there was a loud explosion.

  就在他说话时响起来爆炸声。

  2.表示两个动作同时发生,意为“一边...一边....”。

  例句:The students took notes as they listened.

  学生们一边听一边做笔记。

  3.表示“随着...(时间的推移)。

  例句:As she grew older she gained in confidence.

  随着年龄的增长,她变得自信了。

  四、since

  意为“自从”。

  例句:I have been teaching in this schoolsinceI left college.
       自从大学毕业,我就在这所学校教书了。

  五、as soon as、the moment、once

  译为“一…就…”。

  例句:I'll contact you as soon as you come back.

  你回来我就联系你。

  PS:immediately/instantly/directly等也可以引导时间状语从句,表示“一…就”,但不常用。

  例句:The machine will work instantly you press the button.

  你一按按钮,机器就立即开动。

  六、no sooner than、hardly/scarcely...when

  译为:“一…就…”。

  例句:I had hardly got homewhenit began to rain.

  我一回家,天就开始下雨了。

  PS:在上述结构中,主句一定要用过去完成时,从句用一般过去时。当hardly或no sooner提于句首时,要用倒装结构。