内容正文:
2021届高中英语新高考语法核心考点专项复习(08)状语从句知识点整理总结
在从句中作状语的从句叫状语从句。用于修饰动词、形容词或副词等。状语从句由从属连词引导,根据意义,状语从句可分为:时间, 地点, 原因, 结果, 条件, 目的, 比较,方式, 让步等九种。状语从句可以放在句末或句首,有时也置于句子的中间,置于句首时或句中时,一般用逗号与主句分开。
时间状语从句
常用引导词及其含义:
1. when (当……时),从句的动作与主句的动作同时或在主句动作之前发生,与延续或非延续性的动词连用均可。如:
When it rains, I go to school by bus instead of by bike.
要是天下雨,我就乘公共汽车而不是骑自行车去上学。
I shall tell her the good news when she comes.
她来的时候我就告诉她这个好消息。
When the clock struck ten, all the lights went out.
当钟敲响十点时,所有的灯都熄灭了。
When you read the poem a second time , the meaning will become clearer to you.
当你再一次对这首诗时,你就会更清楚它的意思。
2. while (当……时,在……过程中) 强调某段时间内主句和从句谓语动词所表示的动作在同一时间发生; while常可表示 during the time that…即 “在……的时候”,含有一个动作在另一个动作正在进行或持续过程中的某一时刻发生,while通常应该与延续性动词连用。如:
While I was in the United States, I saw him twice.
当我去美国时,我见过他两次。
Please keep quiet while others are studying.
当别人在学习时,你要保持安静。
While I was writing letters last night, he was watching TV.
昨天晚上我在写信,而他在看电视。
--I’m going to the office.
-- While you’re there, can you get me some stamps?
--我要去办公室。
--当你去哪儿时,请你帮我卖几张邮票好吗?
The idea came to Mr. Brown while he was driving to work last week.
上一周当布朗先生开车去上班时,他突然想到这个主意。
Keep an eye on my little sister, while I am away.
请你在我出去时帮我照看一下我的小妹妹好吗?
3. as (当……时,一边……一边……,随着……),若主句与从句的主语相同,用 as强调主句和从句动作同时发生;有时也表示“在……的过程中,另外一件事发生了”或“随着多久过去,什么事发生了”。如:
He trembled as he spoke.
他一边说话一边发抖。
He made a deep bow as he greeted me.
他问候我时给我拘了一个躬。
As the pupils walked along the lake, they sang happily.
学生们沿着湖边走着,一边快乐地唱着歌。
As I sat thinking about my life, I began to realize how sweet life is.
当我坐着想到我的生活时,我开始意识到生活多么甜蜜。
As the days went on, the weather got worse.
随着日子的推移,天气变得更糟了。
4. before (在……之前),常表示主句的动作发生在从句动作之前发生。如:
It seems only seconds before the boy finished washing his face.
这个孩子没几下就把脸洗了。
He signed the papers before I could stop him.
我没来得及阻止他,他就在文件上签了字。
I didn’t know any English before I came here.
在我来这儿之前我一点也不懂英语。
I had written my report before my mother came back.
在我妈妈回来之前我就把报告写好了。
5. after (在……之后) ,表示主句的动作发生在从句动作之后