All I wanted to do was sleeping.这里加was做什么?
问题描述:
All I wanted to do was sleeping.这里加was做什么?
答
was作谓语all作主语I wanted to do作all的定语sleeping作宾语
答
All I wanted to do是一个从句clause
答
All I wanted to do 作主语
was sleeping 谓语 构成过去进行时
主谓结构
答
谓语动词,前面整个短语作为主语。