连词主要有:when as while before after until as soon as since等
(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.
【初中英语状语从句知识点:时间状语从句】相关文章:
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