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《Grammar Summary》精品PPT课件优质课下载
use the infinitives in dialogues.
阅读下面句子，自我总结动词不定式的用法。
It is difficult to do the work.
I want to help you.
To see is to believe.
I have something to do.
My teacher gets me to do the work.
I come here to help you.
非谓语动词
在句中担任成分
主语
宾语
表语
定语
宾补
状语
非谓语动词
to do
非谓语动词
动词不定式作主语
To do morning exercises is useful for us.
It is useful for us to do morning exercises.
It is hard for me to finish the work in an hour.
It is kind of you to help the poor.
It is important ________ (speak) English often.