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高中英语2025届高考语法复习状语从句知识讲解

高中英语2025届高考语法复习状语从句知识讲解

高中英语2025届高考语法复习状语从句知识讲解,以下展示关于高中英语2025届高考语法复习状语从句知识讲解的相关内容节选,更多内容请多关注我们网站

1、高考英语语法复习状语从句知识讲解在主从复合句中,当一个句子用作状语,起副词作用修饰另一个句子的谓语动词时,这个句子就叫做状语从句。由连词或词组引导。从句位于句首或句中时通常用逗号与主句隔开,位于句尾时可以不用逗号隔开。状语从句共有九类,分别是时间状语从句 ,地点状语从句,原因状语从句 ,条件状语从句 ,让步状语从句,结果状语从句 ,目的状语从句 ,比较状语从句 ,方式状语从句 。 一、时间状语从句1.概念在复合句中,由时间连接词引导的状语从句叫做时间状语从句。2.要点在状语从句中,要注意时态一致。主句是一般将来时,从句要用一般现在时。主句是过去时,从句也要用过去时3.时间状语从句连接词When

2、、 while 、as、before、after、since 、till /until、 by the time 、the first time , each time, every time ,once,whenever,no matter when一就 : as soon as,immediately, directly, instantly,the moment, the instant, the second , the minute, hardlywhen, scaecelywhen, rarelywhen, no soonerthan.、when, while和asa.when引导

3、的可以是延续性的动词,又可以是瞬间动词。主从句的动作可同时发生,也可之前或之后,When she came in, I stopped eating.她进来时,我停止吃饭。(瞬间动词)When I lived in the countryside, I used to carry some water for him.当我住在农村时,我常常为他担水。(延续性的动词)When I had read the article, he called me.我看完这篇文章之后,她给我打了电话。( 从句动作发生在主句之前)When I got to the cinema, the film had beg

4、un.当我到了电影院时,电影已经开演了。从句的动作发生在主句之后注意a.当when和be doing,be about to, be going to do,had just done搭配时,表示“正要做/刚刚做这/那时”。【例】We were about to leave when he came in.我们就要离开,就在那时他进来了。(瞬间动词)b.While引导的从句的谓语动词必须是延续性的,并强调主句和从句的动作同时发生While my wife was reading the newspaper, I was watching TV.(was reading是延续性的动词,was r

5、eading和was watching同时发生)While也可以当表示对比(或者相对应)时。【例】I like playing football while you like playing basketball.我喜欢踢足球,而你喜欢打篮球。(对比)c.as引导的动作是延续性也可以是瞬间动词,主句和从句动作同时发生;【例】As we was going out, it began to snow.当我们出门时,开始下雪了。as强调句中两个动作紧接着先后发生,而不强调开始下雪的特定时间,as也可表示“一边一边”,I always sing as I walk.我总是边走边唱。d.这三个连词有时

6、可以互换,有时不可以。It was raining hard when (as) I got there我到那里时,正在下大雨。(动作同时发生,when可换为as, 但不能换为while,因为get是点动词.)He was about to leave, when the telephone rang.他正要离开,忽然电话响了。when不能放在句首。主句动词表达 “正在” “即将”,while, as不能代She thought I was talking about her daughter, while, in fact, I was talking about my daughter.他以为我在谈她女儿,然而,实际上在谈论我女儿。(表转折,对比,when, as都不能代替它)Mother was worried

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