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在英语语法中,从句是非常常见的一种语法结构。从句是一个完整的句子,它通常由一个主句和一个或多个从句组成。而从句引导词则是连接主句和从句的重要词汇。下面就让我们来了解一下英语中常见的从句引导词。
连接词
连接词是最常见的从句引导词,用来引导陈述句、疑问句和祈使句等类型的从句。常见的连接词有:
- that:用于引导陈述句,例如,“I know that he is coming.”
- whether:用于引导疑问句,例如,“Do you know whether he is coming?”
- if:也用于引导疑问句和陈述句,例如,“If he comes, we will go to the park.”
- when:用于引导时间从句,例如,“I will call you when I get home.”
- where:用于引导地点从句,例如,“I want to know where he is going.”
关系词
关系词也是从句引导词的一种,用于引导定语从句,即在主句中修饰名词或代词的从句。常见的关系词有:
- who/whom:用于指人,例如,“The man who is standing over there is my dad.”
- which:用于指物品,例如,“The book which is on the table is mine.”
- that:既可以指人也可以指物品,例如,“The car that I saw yesterday was very expensive.”
状语从句引导词
状语从句引导词用于引导状语从句,即在主句中作状语的从句。常见的状语从句引导词有:
- because:表示原因,例如,“I am tired because I stayed up late last night.”
- since:也表示原因,例如,“Since he is busy, he can't come to the party.”
- if:表示条件,例如,“If it rains, we will stay at home.”
- although:表示让步,例如,“Although it was raining, we went to the beach.”
在英语中,从句引导词是非常重要的语法结构,掌握了它们的用法和区别,可以帮助我们更好地理解和运用英语语言。希望上述内容对大家有所帮助。