作业帮非谓语的用法
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非谓语的用法
非谓语的用法
非谓语的用法
非谓语动词：不能作谓语但保持动词特征的形式.没有人称和数的变化,但可以有自己的宾语或状语.不定式to do、动名词/ 现在分词ing和过去分词-ed.
不定式的用法：
1.作主语；To learn an art well is very hard.
不定式作主语可用it作形式主语
It is very hard to learn an art well.
2.作表语：Our duty is to help the young children to grow better.
3.作宾语：不定式作宾语的动词有agree arrange afford ask choose demand try decide offer expect learn pretend want hope promise...
I really like to watch football matches.
不定式作介词的宾语 I'm interested in what to do but not how to do it.
4.做宾补：作宾补有带to和不带to 的不定式.
常用带to作宾补的动词有；ask advice allow beg tell cause permit refuse warn force forbid encourage invite teach know call on...
常用不带to作宾语的动词有：discover feel have see hear make observe look at listen to watch notice ...
5.作定语：Do you have anything else to say for yourself?
6.作状语：表示原因、结果、目的、比较和独立成分.
Since March 2003, many students have begun to learn about AIDS prevention and the risks of drugs to stay far away from AIDS.
7.独立成分：表示说话者的态度、语气等
To tell you the truth,I'm almost freezing.
省不定式：
had better do sth.would rather do sth. can't but do sth. do nothing but do sth. feel ,listen to, look at ,see, hear, watch, notice, make, let, have ...
不定式虽没有人称和数的变化但表示先后顺序有主动被动进行形式
Don't pretend to be working hard. Just do what you should do
I'm sorry to have given you so much trouble.
(待续不好意思）