本文目录
在英语语法中,状语从句是一种从句,用于描述主句中的动作发生的时间、条件、原因或结果。在状语从句中,需要使用引导词来引导从句。接下来,我们将介绍一些常用的状语从句引导词。
时间状语从句
时间状语从句用于描述主句中动作发生的时间,常用的引导词有:
- When:当...时
- While:当...的时候
- After:在...之后
- Before:在...之前
- As soon as:一...就
例如:
- When I arrived at the station, the train had already left.(当我到达车站时,火车已经离开了。)
- While I was cooking dinner, the phone rang.(当我正在做晚饭时,电话响了。)
- After she finished her homework, she went to bed.(她完成作业后,就去睡觉了。)
- Before we go out, let's check the weather forecast.(在我们出门之前,让我们先查一下天气预报。)
- As soon as I saw the movie, I knew it was going to be a hit.(一看到这部电影,我就知道它会大受欢迎。)
条件状语从句
条件状语从句用于描述主句中动作发生的条件,常用的引导词有:
- If:如果
- Unless:除非
- Provided that:只要
- In case:以防
例如:
- If it rains tomorrow, we will stay at home.(如果明天下雨,我们就会呆在家里。)
- Unless you finish your work, you can't go out.(除非你完成了工作,否则你不能出去。)
- Provided that you arrive on time, you can join the meeting.(只要你准时到达,你就可以参加会议。)
- In case of fire, use the stairs, not the elevator.(如果发生火灾,使用楼梯,不要使用电梯。)
原因状语从句
原因状语从句用于描述主句中动作发生的原因,常用的引导词有:
- Because:因为
- Since:因为
- As:因为
- For:因为
例如:
- Because it was raining, we decided to stay at home.(因为下雨,我们决定呆在家里。)
- Since you are not feeling well, you should go to see a doctor.(因为你感觉不舒服,你应该去看医生。)
- As she was tired, she went to bed early.(因为她很累,她早早就去睡觉了。)
- For he is an honest man, I trust him.(因为他是一个诚实的人,我信任他。)
结果状语从句
结果状语从句用于描述主句中动作的结果,常用的引导词有:
- So:所以
- Therefore:因此
- Hence:因此
- Thus:因此
例如:
- She studied hard, so she passed the exam.(她努力学习,所以她通过了考试。)
- He missed the train, therefore he was late for work.(他错过了火车,因此他迟到了上班。)
- The road was blocked, hence we had to take a detour.(路被封锁了,因此我们不得不绕路。)
- He didn't have a ticket, thus he couldn't enter the concert.(他没有门票,因此他不能进入音乐会。)
以上是英语状语从句常用的引导词,希望能够帮助大家更好地理解和运用状语从句。