初中英语动词不定式

(共21张PPT)
非谓语动词—动词不定式
Contents
非谓语动词概念(Concept)
1
非谓语动词特征(Features)
2
动词不定式(infinitive )
3
中考链接(Exercise)
4
Concept
一个句子中，不是谓语成分的动词。
I like Audrey Hepburn.
I like to see Audrey Hepburn’s movies.
Always be ready ____ others.
to help
Features
动词不定式 to do/ not to do
动名词 v-ing
分词(现在分词&过去分词)
非谓语动词
动词不定式
1. I’m so glad to meet you.
(be glad to do)
2. She wants to be a singer when she grows up.
(want to do)
3. They are planning to go to Taipei on vacation.
(plan to do)
动词不定式
I won’t make them come to my country.
注意!!
有些使役动词(make let have)和感官动词(see watch hear notice)等后接省略to的不定式，但在改为被动语态时，to不能省略。
Kobe was seen to play basketball all summer.
动词不定式
句法
很好！很强大！！
主语
宾语
表语
定语
状语
宾补
动词不定式
To finish the work before Monday is impossible for him.
主语
It is impossible for him to finish the work before Monday.
(it is adj for sb to do )
动词不定式
宾语
1. I find it hard to satisfy all.
2. I think it right to let him go home now.
动词不定式
注意，如果不定式为不及物动词时，所修饰的名词如果是工具、或地点等，不及物动词后应有相对应的介词。例如：
1.We must find a house to live in.
2. Your brother is all right. There is nothing to worry about.
动词不定式
表语(be动词和系动词之后)
1. My job is to teach English.
2. He seems to like the taste of the strawberry cake.
动词不定式
定语(修饰名词或代词)
1. I have an interesting book to read.
2. My boss has a meeting to attend.
动词不定式
1
I must work hard to earn more money.
2
In order to save him, they traveled a lot.
(in order to可以放在句首或句中)
3
I got up early so as to catch the early bus. (so as to只可用在句中)
状语(重点考查不定式短语作目的状语)
动词不定式
宾补( 让/看见……什么)
1. Mom told me not to stay up late.
2. They watched a thief steal the car.
动词不定式
与疑问代词和疑问副词连用(主语、宾语、表语)
1. How to get there is still the problem. (主语)
2. He wants to know what to do. (宾语)
3. Your task is which to choose. (表语)
Exercise
The teacher asked Ben ____ a difficult question in class. (北京)
A. answer B. answering
C. to answer D. answered
The woman feels that she should let her son ____ his own decision this time. (上海)
A. makes B. make
C. to make D. making
C
B
Exercise
If people _____ cutting down the forest, they will have nowhere ____. (兰州)
A. keep; to live in
B. will keep; to live in
C. keep; to live
D. will keep; to live
More and more young people are trying to do something ____ the old. (河北)
A. served
B. to serve
C. serve
D. serves
A
B
Exercise
____ more information about the trip, you can go to www.. (江西)
A. Find B. Finding
C. To find D. Founds
Hold on, please. I need a piece of paper to ____. (包头)
A. write B. writing
C. write with D. write on
C
D
Exercise
It’s polite for students ____ hello to teachers. (齐齐哈尔)
A. to say B. saying C. says
—I can’t decide ____. (宁波)
—You mean the purple sweater or the blue one
A. how to go there B. who to go with
C. where to visit D. which to choose
A
D