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初中英语知识点总结:初中英语语法——引导状语从句的连词

互联网2018-07-31 16:09

  例如:

  I'll follow his advice, for he is a doctor.

  我会听从他的劝告,因为他是医生。

  b)because of也是表示原因状语,但后面只能跟短语。

  例如:

  I stayed at home because of the bad weather.

  因为天气不好我留在家里。

  3)比较状语从句

  比较状语从句由than或as来引导。

  例如:

  I feel better now than (I was) before.

  我现在觉得比以前好了。

  He writes as well as you (do).

  他写得和你一样好。

  This problem is more difficult than that one (is).

  这道题比那道题难。

  4)条件状语从句

  条件状语从句由if, unless(= if not)算连词引导。条件从句中的动词多用一般现在时表示将来。

  例如:

  I shall go if he asks me.

  如果他请我,我就去。

  I shan't go unless he asks me.

  除非他请我,否则我是不去的。

  I shall go, whether he asks me or not.

  不管他请不请我,我都要去。

  Come with me if you have time.

  如果你有时间请跟我来。

  I want to watch a basketball match if I'm well tonight.

  如果今晚我好了的话,我要看一场篮球赛。

  由and连接的简单句,可以用条件状语从句来改写。

  例如:

  Run faster and you'll catch up with him.

  跑快点儿你就会赶上他。

  =If you run faster, you'll catch up with him.

  如果你跑得快点,你就会赶上他。

  5)结果状语从句

  结果状语从句由so that, so… that引导。

  例如:

  He has lost his bike so that he can't come to school on time.(结果状语)

  他去了自行车,所以不能准时到校。

  Your shirt were so dirty that you must wash it.(结果状语)

  你的衬衣这么脏,你应该把它洗洗。

  注意:

  由so…that引导的状语从句若是表示否定意思,可以用too…to(太…而不能)来替换。

  例如:

  She was so angry that she could not say a word.

  =She was too angry to say a word.

  她气得说不出话来。

  6)让步状语从句

  让步状语从句一般用though(虽然)、although(虽然)、even though(即使)引导。

  例如:

  Though/Although he tried hard, he was not successful.

  他虽然努力尝试,但没有成功。

  He went on working though it was very late.

  虽然很晚了,他还在继续工作。

  注意:

  1.汉语中的“虽然…但是…”在英语中用连词though就可以了,或单独使用but连接两个并列句也可以,但不能在一个句子中同时用这两个连词(主句前不用连词)。

  例如:

  “虽然我很喜欢照顾我姐姐的婴儿,但她不让我干”。这个句子我们可以用下面两种方法来表达。

  Though I like looking after my sister's baby, she doesn't let me do it.

  I like looking after my sister's baby, but she doesn't let me do it.

  =though可以与yet连用,这里yet虽然意思与but相同,但yet不是连词,而是副词。

  例如:

  Though it was cold, yet he went out without a coat.

  虽然很冷,但他没穿外衣就出去了。

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