动名词作状语的用法如下:
1、-ing 短语在句子中可作状语,来修饰谓语动词或整个句子,表示动作发生的时间、原因、条件、让步或伴随等情况。作时间状语-ing 短语作时间状语要置于句首。如:Hearing the bad news, they couldn' t help crying
2、-ing 短语作状语一般表示一个次要的动作,一般都可以变为相应的状语从句或并列句。作原因状语-ing 短语作原因状语置于句首。如: Being so angry, he couldn’ t go to sleep.
3、作条件状语-ing 作条件状语置于句首或句末。如: Working hard, you will succeed.
4、作让步状语-ing 短语作让步状语,可置于句首或 句末,常与 even if, though 连用。如:Though working from morning till night, his father didn’ t get enough food.
5、作伴随状语置于句首或句末。如:They cameinto the classroom,singing andlaughing.