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在英语语法中,从句通常是指一个句子的一部分,它不能独立成为一个句子。从句的引导词通常是连词,而不同类型的从句需要使用不同的连词。以下是一些常见的从句连词:
1. 定语从句
定语从句用来修饰一个名词或代词,通常由关系代词引导。以下是一些常见的关系代词:
- who(指人)
- whom(指人)
- whose(指人或物)
- which(指物)
- that(指人或物)
例句:
- The woman who is sitting next to me is my friend.(坐在我旁边的女人是我的朋友。)
- The book which I borrowed from the library is very interesting.(我从图书馆借的那本书非常有趣。)
2. 名词性从句
名词性从句用来作为名词的一部分,通常由连接词引导。以下是一些常见的连接词:
- that
- whether
- if
- who
- whom
- whose
- which
- what
例句:
- I don't know whether he is coming or not.(我不知道他是否会来。)
- She asked me what my favorite food is.(她问我最喜欢的食物是什么。)
3. 状语从句
状语从句用来描述主句中的情况或条件,通常由从属连词引导。以下是一些常见的从属连词:
- after
- although
- as
- as if
- as long as
- as soon as
- as though
- because
- before
- even if
- even though
- if
- in order that
- provided that
- since
- so that
- than
- that
- though
- unless
- until
- when
- whenever
- where
- wherever
- while
例句:
- I will go to bed after I finish my homework.(我完成作业后会去睡觉。)
- Although it was raining, we still went for a walk.(尽管下雨了,我们还是去散步了。)
以上是一些常见的从句连词,希望能对大家的英语学习有所帮助!