引导从句的词在英语语法中非常重要,包括连接代词(如who, whom, whose, which, that)、连接副词(如when, where, why, how)和连接词(如if, whether, unless, while, as, since)。通过学习这些词的用法,可以更好地理解和运用从句,提高英语水平。
1. 连接代词
连接代词常用于连接名词从句,它们包括:who, whom, whose, which, that。
例如:
- I know a boy who can play the guitar very well. (我认识一个弹吉他非常好的男孩。)
- She is the girl whom I met at the party. (她是我在聚会上认识的女孩。)
- The car which he bought yesterday is very expensive. (他昨天买的那辆车非常贵。)
2. 连接副词
连接副词常用于连接副词从句,它们包括:when, where, why, how。
例如:
- I still remember the day when we first met. (我仍然记得我们第一次见面的那天。)
- This is the place where I spent my childhood. (这是我度过童年的地方。)
- I don't understand why he didn't come to the party. (我不明白他为什么没来参加聚会。)
- He explained to me how to solve the math problem. (他向我解释了如何解决这个数学问题。)
3. 连接词
连接词包括:if, whether, unless, while, as, since。
例如:
- I don't know whether he will come or not. (我不知道他会不会来。)
- You won't pass the exam unless you study hard. (除非你用功学习,否则你不会通过考试。)
- I like to listen to music while I'm working. (我喜欢边工作边听音乐。)
- As I was walking down the street, I saw an old friend. (当我在街上走的时候,我看到了一个老朋友。)
- He has been working here since last year. (他从去年开始就一直在这里工作。)