2013高考英语语法最后30天精讲精练
非谓语动词
动词不定式
一、不定式在句子中的作用
主语
A. It is(was) + adj.(n.) + to do sth
B. It + vt. + n.(pron.) + to do sth
It’s often difficult for me to decided what to do .
It made us very angry to hear him talk like that.
表语
A. 表示预定要发生的动作或未来的可能性或假设
B. 说明主语的内容
C. 用于正式的指示或命令
He is to return from Paris tomorrow.
My job is to wash plates.
Three tablets are to be taken twice a day.
宾语
A. 接动词不定式做宾语(afford, agree, decide, expect, happen,
hope, wish, refuse, etc.)
