英语要了解的语法知识有,今天我们来看看什么是状语从句?状语从句的用法有哪些?状语从句 Adverbial Clause,从句用作状语称为状语从句。根据用途,状语从句可分为时间、地点、原因、条件、方式、让步、结果、目的等状语从句。
1
时间状语从句
时间状语从句表示时间,常用的关联词有when, until, as, after, before, once, since, as long as, whenever等等。
When you cross a main road, you must be careful.
2
地点状语从句
地点状语从句表示地点,常用的关联词有where, wherever, anywhere等。
Put it where you found it.
3
原因状语从句
原因状语从句表示原因或理由,常用的关联词有because, as, since, in case等。
I eat ice-cream so much because I like sweet food.
4
条件状语从句
条件状语从句表示真实的或现实的条件,引导从句所用的关联词有if, unless, suppose, in case(that), in the event (that), as (so) long as等等。
If it snows tomorrow, we will build a snowman.
5
方式状语从句
方式状语从句表示动作的方式,回答How的问题,常用关联词as, as if, as though, the way(that), in the way(that)等引导,一般置于主语之后。
Do as I say,I did just as you told me. 照我说的去做,我就是照你说的去做的。
6
让步状语从句
让步状语从句表示“虽然、尽管、即使”等概念,使句子具有对比的因素,常用的关联词有although, though, even if, even though, not that(=although…not)等,置于主语之前或后。
Although you feel very ill right now, this is still a common disease.
7
结果状语从句
结果状语从句表示结果, 常由连词so…that, such(a/an)…that, so that, such that等引导,置于主语之后。
She was so frightened about the dog that she cried.
8
目的状语从句
目的状语从句表示目的,回答what for或 for what purpose的问题,常用关联词so that, in order that等引导,一般置于主语之后。目的状语从句中的谓语动词常由“情态动词+动词原形”构成.
Ships carry lifeboats so that people can escape if the ship sinks.
复合句指的是含有两个或更多的主谓结构的句子,其中有一个(或更多)主谓结构充当句子的某一(些)成分,如主语、宾语、表语、定语、状语、同位语等。主语从句、宾语从句、表语从句、同位语从句、定语从句和状语从句都属于复合句。