内容正文:
Unit 4
Space Exploration
Discovering Useful Structures
非谓语
一个句子一个谓
两个动词连成对
没有连词用非谓
Conclusion
3
不定式
非谓语之
Exploring: Non-finite verb
时间/语态 Active主动 Passive被动
未发生(将来)
同时发生(进行)
被动
非谓语动词先发生(已完成)
to do
to be done
doing
being done
/
done
having done
having been done
动词不定式的时态和语态
语态
时态 主动形式 被动形式
一般式 to do
进行式
完成式
否定形式
to be done
to be doing
to have done
to have been done
在to前加not
在to前加not
.
表示动作与谓语动作同时发生或发生在谓语动作之后
表示谓语动作发生时,不定式的动作正在进行
表示动作发生在谓语动作之前
/
目录
CONTENTS
6
不定式作定语
1.Yuri Gagarin is the first astronaut to be sent into space in the world.
2.Neil Armstrong is the first astronaut to land onto the moon in the world.
3.Yang Liwei is the first Chinese astronaut to be sent into space in 2003.
4.Wang Yaping is the first astronaut to teach in space in China.
Finding 1: the infinitive (to do) is used as ____________to modify the nouns.
Activity 1. Observe the sentences and answer the questions.
1. What do these sentences have in common?
2. What is the function of the infinitives (to do) in these sentences?
Explore
Attribute
Group 1
1.Yuri Gagarin is the first astronaut to be sent into space in the world.
2.It is recognized that he is the best man to do the job.
3.He was the only one to keep moving at the same speed.
Activity 2.Work out the rules of infinitives as attribute.
归纳:____________、____________和the only / the next / the last等或被这些词修饰的名词后面常用动词不定式作定语。
Explore
序数词
形容词最高级
Group 2
Practice is the only way to learn a language well.
His ability to get on well with people is his chief advantage.
We should get the courage to face the challenge.
Sellers made an efforts to keep the industry from dying out.
归纳:抽象名词 ______________________, aim, attempt, right, chance, opportunity, decision, hope, wish, dream, promise后面用动词不定式作定语。
Activity 2.Work out the rules of infinitives as attribute.
Explore
way, ability, courage ,efforts
Group 3
Let us give him something to eat.
The question to be discussed at the meeting is very important.
The conference to take place in Shanghai next week is of great importance.
归纳:当表示___________的动作时,常用动词不定式作后置定语; _______________________________________________ 后可用不定式作后置定语。
Group 4
We have nothing to eat.
We have a lot homework to do.
There is nothing to worry about.
归纳:动词不定式作定语用在两个句型中:1. _________________ 2.____________________
Activity 2.Work out the rules of infinitives as attribute.
Explore
未发生
have ...to do
there be ...to do
不定代词: something;nothing;anything
不定式的基本用法
1. I have nothing to fear but fear itself.
2. Do you have anything to say?
3. Give me a pen to write with.
4. There is nothing to worry about.
5. Here is a piece of paper for you to write on.
总结
4. somthing, nothing, anything等不定代词后常用动词不定式。
5. 作定语的不定式如果是不及物动词或者不定式所修饰的名词或代词是不定式动作的地点、工具等,不定式后面须有相应的介词。
12
There is nothing to worry about/to be worried about.
没什么可担心的。
5. 在there be句型中,作主语的名词后可接动词不定式作定语,被修饰的中心词是不定式的逻辑宾语时,不定式用主动式或被动式均可。
注意:在there be句型中,如果动词不定式有逻辑主语,则动词不定式只能用主动形式。
There is noting for me to do today.今天我没有什么事儿可做。
Practice
(1) I’m going to Beijing next week. I have a lotof things (take) with me.
(2) She became the first in her large family (earn) a doctor’s degree.
(3) We had better put off interviewing athlete, for he is busy preparing for an international contest (hold) in Shanghai next month.
(4) The best way (improve) your English is to join an English club.
(5) Sophia was happy that she had the chance (experience) the life in the city.
to take
to earn
to be hold
to improve
to experience
不定式作状语
Yang was 38 when he became the first Chinese person _________(go) into the space on the Shenzhou-5, on Oct 15,2003, making China the third country_________(master) manned space capabilities. To satisfy the requirements of an astronaut, he seized every minute and every second of every day to master knowledge. Besides, he got physical and mental training course to prepare for his space mission. The intensive course lasted for five and a half years, with three thousand hours of study. Finally, the man who had shown the best results would shoulder the task_________ (pilot) the Shenzhou shuttle on China's first manned space flight, which show his desire__________ (explore) the space.
Activity 3. Read a passage about Yang Liwei and fill in the blanks with the correct forms of the words given in brackets.
Apply
to go
to master
to pilot
to explore
Finding 2: the infinitive (to do) is used as ____________to indicate the purpose.
1.To satisfy the requirements of an astronaut, he seized every minute and every second of every day to master knowledge.
2.Besides, he got physical and mental training course to prepare for his space mission.
Activity 4 . Observe the sentences and answer the question:
What is the function of infinitives(to do) in these sentences?
Present
adverbial
1. To learn a language well, you must make efforts.
2. He ran fast all the way so as to catch the first bus.
3. In order to pass the exam, he worked hard till midnight.
句子成分 用法
不定式在句中作______________ 1. 位置:________________
2. 常见结构有:
目的状语
可位于句首或者句末
in order to 和 so as to, 但so as to 不可位于句首
自主探究,分析to do作什么状语
18
She is the first place.
她很自豪得了第一名。
2. He is to the meeting.
他因被邀请参加这个会议感到开心。
“to do” as adverbial
glad to be invited
proud to win
句子成分 用法
不定式在句中作______________ 常见结构有:
原因状语
常用于sb. + be + adj. + to do结构中,常用于表情绪或心理活动的形容词之后(anxious, glad, excited, disappointed, lucky, proud, sorry, shocked, worried…)
19
1. Yesterday, I went to see her only to learn that she had gone abroad a week before.
2. The boy is old enough to take care of himself.
3.What have I said to make you so excited?
句子成分 用法
不定式在句中作______________ 1.意义:常表示 结果
2.常见结构有:
结果状语
出乎意料
enough to do…, so…as to do…, such… as to do.., only to do…, too…to…
3.常与learn,find,see, hear等动词连用。
“to do” as adverbial
20
Summarize the usages of infinitives as the attribute or the adverbial.
adverbial
状语
attribute
定语
to do
目的状语:
结果状语:
enough to (足够做...),
too...to(太...而不能),
so/such... as to (如此...以至于)
多修饰名词
常作后置定语
往往表示尚未发生的动作
普通名词常被序数词、最高级修饰
抽象名词常有:dream, desire, chance,
hope, promise, idea, fact, way...
to do, in order to (可句首句中),
so as to (只能句中)
forms
1 一般式
2 进行式
3 完成式
原因状语:
sb+be+adj. +to do ...
目录
CONTENTS
01
02
03
04
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目录
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21
Apply the rules
1.I have a lot of work (do).
2.The airport (complete) next year is under construction.
3.The matter (discuss) tomorrow is important.
不定式作定语表将来
to do
to be completed
to be discussed
目录
CONTENTS
1. (为了赶上) others, the intelligent young man has been working very hard.
2. I’m saving up (为了买一个电脑).
3. He shouted and waved in order to
(notice).
5. I’ll write down his telephone number
(以免忘记).
不定式表目的
To keep up with
to buy a computer
be noticed
so as not to forget it
目录
CONTENTS
1. He arrived at the train station, (结果发现) the train had already left.
2. He got to the station only to (tell) that the train had gone.
3. He woke up (find) himself alone in the house.
不定式表出乎意料的结果
现在分词表自然而然的结果
4. He failed his exam, (make) his father angry
only to find
be told
to find
making
目录
CONTENTS
即学即练 单句语法填空
1. The airport __________________ (complete) next year will help promote tourism in this area.
2. Do you have something ____________ (do) tonight?
3. The best way ______________ (improve) your
English is to join an English club.
4.I was surprised ________(watch) him eat so
quickly.
5.__________ (realise) our wishes, we must try
our best to work well.
6.He is _____honest a man_____ (tell) a lie.
to be completed
to do
to improve
to watch
To realise
too
to tell
目录
CONTENTS
01
02
03
04
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标题文本预设
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目录
Hello, my dear friends! I am greatly honoured ________ (share) the event with you. The theme of the activity is ___________ (introduce) Chinese traditional culture. During this month, there will be various activities for you ____________ (experience) the rich and colourful Chinese culture. You will have a chance ___________ (make) paper-cutting or ____________ (appreciate) Chinese arts. There will be some lectures for you _________ (attend), _______ is beneficial to your understanding about China. ________ (learn) more about China, don’t hesitate _________ (contact) us and be the first ________ (sign) up for the activity.
to share
to introduce
to experience
to make
to appreciate
语篇演练
to attend
To learn
which
to contact
to sign
$