2025年中考英语语法复习:状语从句
中考语法复习:状语从句
根据状语从句的作用可分为时间/地点/条件/比较/目的/原因/结果/让步等状语从句。
考点一 时间状语从句
●常见的时间状语从句的连词有while/when/as/before/after/until/as soon as/since。
1. while 强调从句动作发生的同时,主句动作也在发生。(注意:从句谓语动词必须为延续性动词,且动词常用进行时态)
2. when (1)表示在某一时间点/时间段发生的动作;(2)主句和从句描述的动作可同时发生/先后发生;(注意:从句谓语动词为延续性动词/非延续性动词,当谓语动词为延续性动词,when可用while替换)。
3. as 意为“随着……”/“当……的时候”,强调主从句动作同时发生。
4. before 意为“在……之前”,表示主句动作发生在从句动作之前;
5. after 意为“在……之后”,表示主句动作发生在从句动作之后;
6. until 意为“直到……为止”,表示主句动作一直延续到从句动作发生为止,主句谓语动作用延续性动词。(注意:not…until…句型表示一直到从句动作发生,主句动作才发生,主句谓语动词用非延续性动词)
7. as soon as 意为“一……就……”,强调主从句动作紧密相连。
8. since 引导的时间状语从句常用一般过去时,主句用现在完成时。表示主句动作从从句动作发生的时候开始一直延续到现在。
e.g. While Linda was playing the piano, everyone sat still and listened.
When I got to school, it was 8 a.m.
Before I went to the park, I had breakfast at home.
I went to the park after I had breakfast at home.
The little girl didn’t go to bed until her mother came back.
I did my homework as soon as I got home.
I have loved pop music since I first went to the concert.
考点二 地点状语从句
●常见的地点状语从句的连词是where。一般置于主句之后。
e.g. Keep it where you can see it.
考点三 条件状语从句
●常见的地点状语从句的连词是if/unless。若主句是一般将来时,主句谓语含有情态动词/主句为祈使句,从句用一般现在时表将来。
(1)if 意为“如果”,表示正向条件;
(2)unless 意为“除非;如果不“,表示反向条件。=if…not
e.g. Linda will go shopping if it doesn’t rain (=unless it rains) tomorrow.
You will miss the early bus unless you get up early(=if you get up early).
考点四 比较状语从句
常见的引导比较状语从句的连词有than/as。
e.g. Linda made fewer mistakes in English than Tom did.
The problem is not so difficult as it sounds.
考点五 目的状语从句
常见的引导目的状语从句的词(组)有so that/in order that,表示“以便,为了”,从句谓语
学科网(北京)股份有限公司