文档介绍：非谓语动词
非谓语动词指不能单独做谓语，但同时仍保留某些特征的动词形式。他们没有人称和数的变化，但可以有自己的宾语主语和状语等。它主要由不定式、动词的-ing形式、动词的-ed形式三类。
语法功能
不定式在句中作主语，相当于名词或代词。
To learn an art is very hard.
To master a foreign language calls for a great deal of memory work.
(can you use another way to make the sentences?)
作表语
不定式作表语表示主语的“职业、职责或性质”
Our duty is to help the old live better.
He seemed to know everything about this matter.
Whether my parents will agree with my plan remains to be seen.
作宾语
I really like to watch football match.
How I wish to see my old friend again!
（常见的不定式作宾语的的动词有哪些呢？）
作宾语的补足语
I told tim to join the club, but he wouldn’t listen .
These pictures made me think of my childhood. (秃头不定式你知道吗)
（ask want order like tell know persuade advise permit teach beg allow warn get force invite cause require wish wait for call on）
(feel hear listen to have make let see watch notice observe discover help)
作定语
不定式作定语需放在被修饰的词后面
Working parents usually don’t have enough time to stay with their children.
Have you got anything to do this evening/
The building to be built in our school will be a lab building.
作状语
不定式作状语往往表示目的、原因、比较和独立成分。表示原因和结果时不可置于句首。
目的状语
Many students have begun to learn about AIDS prevention and the risk of drugs to stay far away from AIDS.
结果状语
It woke up and looked out of the window to find the world outside greatly changed.
He went away only to