本文目录
副词性从句是指在复合句中，充当副词的从句，用来修饰谓语动词、形容词、副词或整个句子，起到状语的作用。副词性从句包括以下几种类型：
时间从句
时间从句用来表示动作的时间，一般由when, while, before, after, since等引导词开头，例如：
- I will call you when I arrive in Beijing. (我到北京后会给你打电话。)
- While I was sleeping, my dog ate my sandwich. (我睡觉时，我的狗吃了我的三明治。)
- Before you leave, please turn off the lights. (离开前，请关掉灯。)
- After he finished his homework, he went to bed. (他完成作业后去睡觉了。)
- Since you left, I have been feeling lonely. (自从你离开后，我一直感到孤独。)
地点从句
地点从句用来表示动作发生的地点，一般由where, wherever等引导词开头，例如：
- He lives where the river meets the sea. (他住在河口附近。)
- You can sit wherever you like. (你可以坐在任何你喜欢的地方。)
原因从句
原因从句用来表示动作的原因，一般由because, since, as等引导词开头，例如：
- I couldn't find my keys because I forgot where I put them. (我找不到我的钥匙，因为我忘记了放在哪里。)
- Since it's raining outside, let's stay indoors. (外面下雨了，我们待在室内吧。)
- As I was very tired, I went to bed early. (因为我很累，所以我早早上床睡觉了。)
条件从句
条件从句用来表示假设的条件，一般由if, unless等引导词开头，例如：
- If it rains tomorrow, we will stay at home. (如果明天下雨，我们会呆在家里。)
- Unless you finish your homework, you cannot watch TV. (除非你完成作业，否则不能看电视。)
结果从句
结果从句用来表示主句所述动作的结果，一般由so, such...that等引导词开头，例如：
- She ran so fast that she won the race. (她跑得很快，赢得了比赛。)
- It was such a beautiful day that we decided to go for a picnic. (天气很好，我们决定去野餐。)
副词性从句在英语语言学中占有重要地位，是英语中复合句的重要组成部分。学好副词性从句，有助于我们更好地理解英语句子的结构，并能更准确地表达自己的意思。
