1. 宾语从句:一般疑问句做宾语,引入if或whether
例句: I want to know if he will join us in the discussion?
2. 原因状语从句:since引导的
例句: Don’t eat too much sugar since it is bad for your health.
3. 否定词前置倒装:scarcely...when...
例句: Scarcely had he arrived at home when it began to rain.
4. If虚拟条件句
从句
主句
跟现在事实相反
一般过去式(be用were)
would/should/might/could +动原
跟过去事实相反
had+done
would/should/might/could+have done
跟将来事实相反
should+动原;were to do sth
would/should/might/could +动原
5. 宾语从句:放在介词后面,作介词的宾语。
例句:I know nothing about him except that he used to work in Shanghai.
6.状语从句省略(分词作状语):从句的主语和状语从句的主语一致,状从省略采用分词作状语。例句:
(Because) being short of money, we can’t afford a TV set. =Because we are short of money, we can’t afford a TV set. 文章来源:跨考教育