常用引导词:when, as, while, as soon as, while, before, after, since , till, until
特殊引导词:the minute, the moment, the second, every time, the day,the instant, immediately , directly, no sooner … than, hardly … when, scarcely … when
I didn’t realize how special my mother was until I became an adult. While John was watching TV, his wife was cooking. The children ran away from the orchard(果园) the moment they saw the guard. No sooner had I arrived home than it began to rain. Every time I listen to your advice, I get into trouble.
2. 地点状语从句
常用引导词:where
特殊引导词:wherever, anywhere, everywhere
Generally, air will be heavily polluted where there are factories. Wherever you go, you should work hard.
3. 原因状语从句
常用引导词:because, since, as, since
特殊引导词:seeing that, now that, in that, considering that, given that, considering that, inasmuch as, insomuch as
My friends dislike me because I’m handsome and successful. Now that everybody has come, let’s begin our conference. The higher income tax is harmful in that it may discourage people from trying to earn more. Considering that he is no more than 12 years old, his height of 1.80 m is quite remarkable.