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本文详细学习原因状语从句的知识,欢迎大家批评指正,交流沟通,共同进步。
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一、原因状语从句的定义
在复合句中,作原因状语的从句称为原因状语从句,可置于句首或句末。例如:
- Since life is a stage, we are actually all actors and actresses.既然生活就是舞台,那我们实际上都是演员。(原因状语从句置于句首)
- I'm trying to lose weight because I'm so ashamed of my body.我正在努力减肥,因为我的体型让我觉得很难为情。(原因状语从句置于句末)
Where there is a will, there is a way.有志者事竟成。
二、原因状语从句的引导词
1、常用引导词
because(因为)、since(既然)、as(因为)等;
2、特殊引导词
seeing that(因为)、considering that(考虑到)、given that(考虑到)、now that(既然)、in that(因为)、for the reason that(因为)等;
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三、原因状语从句引导词的用法
(一)常用引导词的用法
1、because:表示造成某种情况的直接原因,引导的原因状语从句通常置于句末,语气最强。例如:
- I didn't go swimming because it was too cold.我没有去游泳,因为天气太冷了。
2、since:表示已知或显然的原因,侧重强调主句内容,引导的原因状语从句通常置于句首,语气比 because 弱。例如:
- since he was busy,he didn't come.因为他很忙,所以没来。
3、as表示对结果的附加说明,引导的原因状语从句通常置于句首或句末,语气比 because 和 since 弱。例如:
- As the car was expensive, we didn't buy it.因为这辆车很贵,所以我们就没有买它。
- My English improved a lot as l used English every day and spent an hour each day reading English books in the library.我每天都在用英语,而且花一个小时在图书馆里读英文书,因此我的英语有了很大提高。
4、now that 表示已知的原因,但因果关系不强,侧重于引出一个新情况。例如:
- Now that you have seen how it works, why not try it yourself?既然你已经明白了它的工作原理,为什么不自己试试呢?
Where there is a will, there is a way.有志者事竟成。
(二)特殊引导词的用法
1、seeing that、considering that、given that 等“现在分词/过去分词 that”短语引导原因状语从句,这些短语都有“鉴于某个事实;考虑到”的意思,一般放在主句之前。例如:
- Seeing that he refused to help us, there's no reason that we should now help him.他既然曾经拒绝帮助我们,我们现在没有理由来帮助他。
- Considering that he's just started, he knows quite a lot about it.考虑到他只是刚刚开始,他对此事的了解算相当多了。
- Given that she is interested in children, I am sure teaching is the right career for her.考虑到她喜欢孩子,我可以肯定教书是最适合她的职业。
2、now that引导原因状语从句,意思为“鉴于某个事实;考虑到”,一般放在主句之前。例如:
- Now that you are a high school student, you are responsible for what you do.既然是高中生了,你就要为你的行为负责。
3、in that引导原因状语从句,意思为“原因在于”,一般放在主句后面,而且主句通常是在作比较。例如:
- I like the city, but I prefer the country in that there's fresher air.我喜欢城市,但我更喜欢乡村,因为那里有更清新的空气。
4、for the reason that引导原因状语从句,意为“因为”,一般放在主句之后。例如:
- I often go to the library for the reason that I like reading.我经常去图书馆,因为我喜欢读书。
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未完待续
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