初中英语时间状语从句的知识点

时间:2022-10-12 09:14:06 英语知识 我要投稿
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初中英语时间状语从句的知识点

  连词主要有:when as while before after until as soon as since等

初中英语时间状语从句的知识点

  (1)区别when, as, while的用法

  ①.when当......时候引导的时间状语从句,其动词既可以是延续性动作的动词,也可以是瞬间性动作的动词,如:

  _________ the students heard the teachers footsteps, they all stopped talking.

  当学生们听到老师的脚步声时,他们都停止了讲话。(从句动作发生在前)

  ② as当.......时候或一边.......一边引导的时间状语从句其动词的动作是延续性的,而且侧重表示主句和从句的动作并相发生:

  We were having breakfast __________ she was combing her hair.

  她梳头时我们在吃早饭。

  ③ while表示在某一段时间里或在期间,其所引导的从句的动作是延续性的,并侧重表示和主句的动作同时发生。如:

  I can learn ________ I work.

  我可以边工作边学习。

  用when, as, while填空:

  ________ you came in, I was talking with a few boys.

  It started to rain __________ we were playing outdoors.

  They talked _________ they walked down the river.

  __________ it was raining, the students were playing basketball.

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