状语从句是什么


状语从句是什么

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【状语从句是什么】状语从句指句子用作状语时 , 起副词作用的句子 。状语从句中的从句可以修饰谓语、非谓语动词、定语、状语或整个句子 。根据其作用可分为时间、地点、原因、条件、目的、结果、让步、方式和比较等从句 。
状语从句一般由连词(从属连词)引导 , 也可以由词组引起 。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 。
状语从句分类
一、时间状语从句
I didn’t realize how special my mother was until I became an adult.
直到我成为了一个成年人我才意识到我的母亲是多么的特殊 。
While John was watching TV, his wife was cooking.
当约翰看电视时 , 他的妻子正在做饭 。
二、地点状语从句
Generally, air will be heavily polluted where there are factories.
一般来说 , 有工厂的地方空气污染就严重 。
Wherever you go, you should work hard.
无论你去哪里 , 你都应该努力工作 。
三、原因状语从句
My friends dislike me because I’m handsome and successful.
我的朋友都不喜欢我 , 因为我又英俊又成功 。
Now that everybody has come, let’s begin our conference.
既然每个人都到了 , 让我们开始我们的会议吧 。
四、目的状语从句
The boss asked the secretary to hurry up with the letters so that he could sign them.
老板要求秘书快写函件以便他能在上面签字 。
The teacher raised his voice on purpose that the students in the back could hear more clearly.
为了让后面的学生听得更清楚 , 老师有意地提高了他的声音 。
五、结果状语从句
He got up so early that he caught the first bus.
他很早起床以便赶上第一班公共汽车 。
It’s such a good chance that we must not miss it.
这是一个好机会 , 千万不能错过它 。
六、条件状语从句
We’ll start our project if the president agrees.
如果总统同意 , 我们将开始我们的项目
You will certainly succeed so long as you keep on trying.
只要你继续努力 , 你一定会成功的 。
七、让步状语从句
Much as I respect him, I can’t agree to his proposal.
尽管我很尊敬他 , 但是我却不同意他的建议 。
The old man always enjoys swimming even though the weather is rough.
老人都很喜欢游泳 , 即使天气很恶劣 。
八、比较状语从句
She is as bad-tempered as her mother.
她和她妈妈一样脾气很坏 。
The house is three times as big as ours.
这房子是我们的三倍大 。
九、方式状语从句
When in Rome, do as the Romans do.

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