动词不定式用法[下学期]

课件37张PPT。To see is to believe.Grammar: The infinitive
不定式To say is one thing to
do is another. __________________________is really important nowadays.2.___________________is right.1.当今掌握一门外语真的很重要。To master a foreign languageTo give up smoking一、作主语subject3. _________________is a little painful.
4. __________________is dangerous.To get an injectionTo play in the street
______________
to learn a foreign
language well. It’s important动词不定式作主语时常用it作形式主语，将动词
不定式放在后面。
?? _____________ for him to answer the
question. It’s difficultThe question is too difficult.Fred didn’t have any money, so he decided
_____________________.2. They need
______________.1. Fred 没有钱，所以他决定找一份工作。to look for a jobto look at a map二、作宾语objectHe wants to be a superman.He prefers to lie-downs.What does he want to be?What does he prefer to do?So he plans
________________ .to give the dog a piece of melonto do some cookingHe would like ____________________
———. He is very hungry.I find it difficult to get along with him.形式宾语I feel it useful to learn English.有的动词不定式在作带有补足语的宾语时,
如feel, find, believe,前面往往带有形式宾语it。 和疑问词who，what，when，where，which，how构成不定式短语作宾语。I don’t know___________.（怎样做饭）Can you tell me ____________？
（什么时候开始） He didn’t know____________________.
（选择哪本书） how to cookwhen to startwhich book to chooseMy job to help the patient.is我的工作是照看病人Their task is
____________________.三、作表语to clean the classroompredicateHer job is to teach English.?It seems ____________________．
它看起来是本有趣的书。 to be an interesting book四、作定语Do you have anything______ ?1. 你有什么要说的吗?2. Betty是第一个知道这真相的人. Betty was the first______________.动词不定式作定语要放在被
修饰词后.to know the truthAttributeto sayI have a lot of homework to do .My mother has a lot of things to do .当不定式中的动词不能直接修饰前面的词时，应加介词． This is the room___________. 这个房子可以住．　I need a pen_____________
我需要用一枝钢笔写字．to write with.to live inHe pushes himself so hard to make big money and marry a nice girl.五、作状语adverbialShe got up early
______________.to catch the trainTom’s mother stayed at
home ________________.to look after him
六. 作宾语补足语 object complementThe teacher often tells us to read English loudly .
The teacher tells us to listen to English every day.What does the teacher
tell you
to do ?学校不允许男生留长发The school doesn’t allow boys
to wear
long hair.Robbery drama order sb. to do
want to,
warn sb. to do,
ask sb. to do
tell sb. to do,
The robber asked them to take out of their money…Examples:
The robber warned the man to be
careful of his life.
The robber told them to put their
hands up.
The robber wanted the man to give
him money. Please answer
as quickly as you can 动词不定式To do that sort of thing is foolish。I want to see you this evening.All you have to do is to finish it quickly.
We found a house to live in.She came here to study English.
I warned the patient not to eat cold water after the operation.
主语 宾语表语 定语 状语 宾补123456走进中考The teacher told her students_____ in public.
A.not to shout
B.didn’t shout
C. not shout
D.to not shoutA123456走进中考My mother often asks me ____early.
A.get up
B.got up
C.getting up
D.to get up D123456走进中考The boss made John____ the truck for a week as a punishment.
A.to wash
B.washing
C.wash
D.to be washingC123456走进中考 ---What do you think of the school?
----It is a very good _____.
A. school to study in
B. school for children to study
C. studying school
D. school to study
A123456走进中考All of us found ___ difficult to
work out the maths problem.
what
that
which
it D123456走进中考Our task is _____________.
cleaning the classroom
cleanthe classroom
to clean the classroom
cleaned the classroom Csummary1. 作主语2. 作宾语 3.作表语4. 作定语5. 作状语6.作宾语补足语They are for you!