课件34张PPT。Grammar Great mindsTo learn the infinitives after nouns
To learn the infinitives as subjects
To learn the infinitives after the
verb to beInfinitives after nounsEinstein often received invitations to explain his theories at different universities.
2. The next train to arrive is from
Washington.
3. I have a lot of work to do.
4. So he made some candles to give light.
5. Do you have anything to say on the
question?
6. My wish to visit France has come true at
last. 1. Einstein often received __________ __________ his theories at different universities.
2. The next _____ _________ is from
Washington.
3. I have ___________ _____.
4. So he made ____________ _______ light.
5. Do you have ________ ___ ____ on the
question?
6. ____ ____ ___ _____France has come
true at last. invitationsto explaintrain to arrivea lot of workto dosome candlesto giveanything to sayMy wish to visitgoThere's enough bird food ______ for a month. (2001年山西)
A. to last B. last
C. lasts D. lasted以上我们已经通过归纳总结和练习对本课的语法内容有了一定的了解,下面就让我们根据
之前练习的考察情
况进一步选择讲解
该语法项的重难点。1 动词不定式通常由“to + 动词原形”构成, 没有人称和数的变化,它是非谓语动词的一种。
否定形式:在不定式的前面直接加not, 即not to do。
用法:可在句中作主语、表语、宾语、宾语补足语、定语和状语。动词不定式动词不定式作定语时,放在被修饰的名词或代词之后。如:
Do you have anything to tell me?
你有什么事要告诉我吗?我不喜欢和她呆在一起。我们没有什么可谈的。
I don’t like to stay with her. We have nothing to talk about. 若动词不定式与被修饰词之间是动宾关系,且动词不定式的动词是不及物动词时,该动词后需要加相应的介词。如:z1. I’ve made a decision.
_________________
a genius.A decision to become ______________
what?
You can’t be serious.A decision to do2. I’ve got an ability.
_____________ a great doctor.______________ what?
I don’t believe it!An ability to beAn ability to do Jim is telling May about his dream. Complete their conversation with the words from the box. (P 23)be become help make startA1z3. I’ve made a plan.
_____________ life better for everyone.A plan to make ___________ what?
You’ll probably fail.A plan to do4. I’ve decided to find a way.
_____________ people live to be 1,000 years old.___________ what?
You must be joking.A way to helpA way to doz5. So now is the time.
_______________
work.The time to start____________ what?
I’ll give you some advice.The time to do6. ____________ what?To stop dreaming!Advice to do At school, Einstein’s ability __________ surprised his teachers, but he was bored with other subjects. At the age of 15, he was given the chance ________________, but he did not do well enough in the exam. He did not lose heart, however, and he had a wish __________ the next year. This time, he succeeded. He kept trying, so he achieved his dream __________________.to do Mathsto go to universityto try againto become a scientist Complete the paragraph below with the words from the box. (P 24)A2become a scientist go to university do Maths try againInfinitives as subjectsIt’s a pleasure to drive a genius like you, Dr Einstein.
It was good to have a friend like Einstein.
It’s a pleasure to hear someone tell me the truth about my look.
It was easy for Einstein to answer the question.___ a pleasure _______ a genius like you, Dr Einstein.
___ was good ________ a friend like Einstein.
____ a pleasure _______ someone tell me the truth about my look.
It was ____ for Einstein _________ the question.It’sto driveItto haveIt’sto heareasyto answergo— Why don’t you believe the aliens?
— Because I’ve never seen one. You
know, _____ is _____.
A. to see; to believe
B. see; believe
C. seeing; to believe
D. to see; believing以上我们已经通过归纳总结和练习对本课的语法内容有了一定的了解,下面就让我们根据
之前练习的考察情
况进一步选择讲解
该语法项的重难点。1动词不定式作主语时,谓语动词常常用单数。例如:
做早操有利于我们的健康。
To do morning exercises is useful for
our health.
每天打扫地板是我的责任。
To sweep the floor every day is my duty. 动词不定式作主语时,如果动词不定式比较长,为了使句子显得协调,常常将动词不定式放在句子后面,而用it作形式主语。如:To learn English well is not an easy job.
= It is not an easy job to learn English well.
学好英语不是件容易的事。动词不定式作主语it作形式主语常见的用it作形式主语的句型有:It is / was + n. / adj. + to do sth.
It takes / took + sb. +一段时间+ to do sth.我走到那儿花了半小时的时间。
It took me half an hour to walk there.
对我们来说,学好英语是重要的。
It’s important for us to learn English well.Dr Green: Hello, Hans.
Hans: Hello, Dr Green. How long did
it take you to get here by plane?
Dr Green: ___________________________
_________ (take/two hours)
How long will it take to get to
the university?
Hans: __________________________
____________. (take/20 minutes)
Dr Green: Well, that’s not very long. Hans,
you’re a very good driver. Is it
difficult to drive a car?It took me two hours to get here by plane.It will take 20 minutes to get to the university Hans once drove another scientist, Dr Green, from the airport to a university. Complete their conversation with infinitives and words in brackets. (P 25)BHans: No, ____________________.
(easy/drive)
Dr Green: Maybe I’ll learn to drive some
day, but ___________________
_______ (difficult/for me/learn)
right now. I’m too busy. Do you
like your job, Hans?
Hans: Yes, I like it a lot. I meet many
great people because I’m a driver.
_____________________________.
(lucky/for me/have/job)it is easy to drive a car it is difficult for me to learn itIt is lucky for me to have this jobInfinitives after the verb to be1. Her job was to look after the sick boy.
2. The next step is to make sure that you
know exactly what is required.
3. My work is to clean the room every day.
4. His dream is to be a doctor.1. Her job ____ ___________ the sick boy.
2. The next step ___ ___________ that you
know exactly what is required.
3. My work __ _______ the room every day.
4. His dream ___ _____ a doctor.wasto look afteris to make sureis to cleanis to bego— What is your plan for the next
week?
— My plan is _______ to Beijing.
A. to going B. gone
C. to go D. went 动词不定式往往放在系动词be (become, sound, taste等系动词后面一般不接不定式) 的后面作表语,表示具体动作或将来动作,说明主语的内容。 例如: 我的愿望是当一名教师。
My wish is to become a teacher.
你今天的工作是打扫操场。
Your job today is to clean the playground.11. do the work / the most important thing / well
2. in a year / Mr White’s plan / have a small shop
3. attract the students / my idea / by making a poster
4. children / her job / take care of The most important thing is to do the work well. Mr White’s plan is to have a small shop in a year. My idea is to attract the students by making a poster.Her job is to take care of the children. Put the words in the correct order to make sentences. Add other words if necessary. (P 25)C1. The bus was so crowded that I
couldn’t find a chair ____.
A. to sit on B. to sit
C. sitting D. to sitting
2. Don’t bother me. I have many letters
_____.
A. write B. to writing
C. to write D. writes选择填空。3. Is ___ possible to fly to the moon in a
spaceship?
A. now B. man
C. that D. it
4. All I want is ____ treated as a child by
the teachers and parents.
A. not be B. being
C. not to be D. to be not 5. To answer correctly is more important than ________.
A. a quick finish
B. to finish quickly
C. finishing quickly
D. you finish quickly
6. Her wish is ___ an engineer.
A. becoming B. become
C. to become D. being comeReflection1. 动词不定式作后置定语的用法;
2. 动词不定式作主语的用法;
3. 动词不定式作表语的用法。HomeworkFinish the exercises in Learning English.
Preview Speaking on page 26.