初一下册to do用法总结

　　系表结构+动词不定式

　　glad，sorry，happy，sad，surprised，troubled等与情绪有关的形容词后常用动词不定式。

　　I am glad to see him.

　　我很高兴看到他。

　　Sue was troubled to see trash everywhere.

　　苏看到到处是垃圾很苦恼。

　　Sara was excited to see the rock band.

　　莎拉看到摇滚乐团很兴奋。

　　His health is likely to get worse.

　　他的健康可能会恶化。

　　动词不定式做宾语补足语

　　结构︰主语＋谓语＋宾语＋动词不定式

　　多数动词，常用的有want，get，compel，expect，ask，would like，advise，urge，wish，tell，allow，permit，trouble，help，teach 等。

　　I told him not to give up.

　　我叫他不要放弃。

　　The teacher urged his students to prepare for the exam.

　　老师劝他的学生准备考试。

　　They forced me to do things against my will.

　　他们强迫我做违背我心意的事。

　　Do you want me to go there instead of you?

　　要不要我代你到那儿去？

　　动词不定式做make, have, let, hear, see, feel等动词宾语的补足语，要省略“to”

　　make/have sb. do sth.

　　I made him do it.

　　我叫他做这事。

　　I let him do it.

　　我让他做这事。

　　动词不定式做目的状语

　　To make sure that he was at home, I called him up in advance.

　　为了确定他在家，我事先打电话给他。

　　He came to China to learn Chinese twenty years ago.

　　他在20年前到中国学中文。