在复合句中，修饰主句中的动词、形容词或副词等的从句叫状语从句。状语从句根据它表达的意思可分为时间、地点、原因、目的、结果、让步、比较（或方式）和条件等类。 1.时间状语从句 引导连词有when，while，till，not…until，since，after ,before ,as soon as The bus won’t start until everybody gets on. 公共汽车直到每人都上车为止，才开动。 When he knocked at the door I was cooking. 当他敲门时，我正在煮饭。
Last night before he came back home, his wife had already cooked dinner and waited for 2 hours.
昨天晚上在他回到家之前，他的妻子已经做好晚饭足足等了他两小时之久。
After I went to church, I went shopping.
2. 地点状语从句
地点状语从句通常由where, wherever 引导。
Where there is a will, there is a way. 哪里有志向，哪里就有出路。有志者事竟成。
Where there is a life, there is a hope. 哪里有生命，哪里就有希望。留得青山在，不怕没柴烧。
Wherever you go, whatever you do, I will be right here waiting for you.
不管你去哪里，不管你做什么，我都会在此守侯你。
