内容正文:
专题十五 状语从句——2024届中考英语一轮复习进阶讲义【人教版】
一、状语从句
在复合句中,修饰主句中的动词、形容词或副词等的从句叫状语从句。状语从句根据它表达的意思可分为时间、地点、原因、目的、结果、让步、比较(或方式)和条件等类。
二、状语从句的分类
1. 时间状语从句
引导连词有when,while,till,not…until,since,after,before,as soon as。
The bus won't start until everybody gets on.
公共汽车直到每人都上车为止,才开动。
When he knocked at the door I was cooking.
当他敲门时,我正在煮饭。
Last night before he came back home, his wife had already cooked dinner and waited for 2 hours.
昨天晚上在他回到家之前,他的妻子已经做好晚饭足足等了他两小时之久。
2.地点状语从句
地点状语从句通常由where, wherever 引导。
Where there is a will, there is a way.
哪里有志向,哪里就有出路。有志者事竟成。
Where there is a life, there is a hope.
哪里有生命,哪里就有希望。 留得青山在,不怕没柴烧。
Wherever you go, whatever you do, I will be right here waiting for you.
不管你去哪里,不管你做什么,我都会在此守候你。
3. 原因状语从句
引导连词有because,as,since。
He didn't see the film because he had seen it.
他没有看那部电影,因为他已经看过了。
比较:because, since, as和for
(1) because语势最强,用来说明人所不知的原因,回答why提出的问题。当原因是显而易见的或已为人们所知,就用as或 since。
I didn't go, because I was afraid.
Since /As the weather is so bad, we have to delay our journey.
(2) 由because引导的从句如果放在句末,且前面有逗号,则可以用for来代替。但如果不是说明直接原因,而是多种情况加以推断,就只能用for。
He is absent today, because / for he is ill.
He must be ill, for he is absent today.
注意:because不能和so 连用。
4.目的状语从句
引导连词有 that, so that…,in order that。
He must get up early so that he can catch the first bus.
他必须早起,以便能赶上第一辆公共汽车。
So that… 以便/以致……
例如:
①They studied hard so that they could pass the exam.
②They started early so that they caught the early bus.
注意点:
在例句①中,是引导目的状语;在例句②中,是引导结果状语。一般来讲,从句中含有情态动词的,为目的状语。无情态动词的,为结果状语。
5.结果状语从句
引导连词有that,so…that…,such…that。
The box is so heavy that I can't lift it.
这个盒子如此沉,以致我无法抬起来。
such+名词性词组+that…
So+形容词/副词+that… 如此……以致……
例如:
①She is such a good teacher that we all love her.
②It was such a hot day that they didn't go out for a walk as usual.
注意点:
(1) such+a+形容词+名词+that…,可以改写成:so+形容词+a+名词+that…
例句①可以改写成:She is so good a teacher that we all love her.
(2)在such+形容词+名词复数或不可数名词+that…结构中,形容词如果是many/few或much/little时,用so不用such,即:so + many/few+可数名词复数+that…,so + much/littl