Unit 2 Robots 不定式动词语态复习 课件（34张ppt）

Book7 Unit2 Robots
Learning about language
The passive voice of the Infinitive
(不定式的被动语态的复习)




Step1 Before-class revision(课前回顾)
Task 1不定式的复习
1.But Sarah, who has taken part in shows along with top models, wants__________(prove) that she has brains as well as beauty. (2017课标III)（ ）
2. Skilled workers also combine various hardwoods and metal____________(create) special designs. (2016课标II) （ ）
to prove
Object宾语
to create
Adverbial状语
3.Volunteering gives you a chance ____________(change)lives, including your own.(2013北京，21)( )
4. _____________(ignore) the difference between the two research findings will be one of the worst mistakes you make.(2015安徽，27) （ ）
5.My wish is__________(have) a long holiday. （ ）
to change
Attribute定语
To ignore
Subject主语
to have
Predicative表语
Task 2不定式的相关结构
to be done
to have been done
不定式的形式 主 动 被 动
一般式 to do
意义 将来、目的 将来、被动
完成式 to have done
意义 将来、完成 将来、完成、被动
进行式 to be doing /
Step2 Learning goals(学习目标)
1.重点掌握不定式一般式的被动语态(to be done)的结构和不定式主动形式表达被动含义的几种特殊情况,并了解不定式的完成式的被动语态(to have been done).
2.掌握不定式的被动语态在近几年高考中的考查方向,并能够运用不定式的被动语态来完成相关练习。
3.了解不定式的被动语态表达的意义。
Step 3 Teacher’s explanation

Part1不定式的被动语态的基本概念
不定式没有人称和数的变化, 但有时态和语态的变化。当动词不定式的逻辑主语是动作的执行者时用主动语态；当动词不定式的逻辑主语是动作的承受者时用被动语态。
Part2 句子分析
1.Claire thought it was ridiculous to be offered sympathy by a robot.

2.But even though Tony had been so clever, he would have to be rebuilt.

3.Tony expected the house to be completely transformed .
本句出自It +be+adj+to do… 句型，句中it 是形式主语，to be offered…是从句真正的主语部分
(Subject)
(Object)
(Object Complement)
have to do/be likely to do / tend to…
expect/want/order…+sb. to do sth.
4.The world is to be influenced greatly with the rapid development of the technology.

5.To be carried more conveniently, the computer is made smaller and lighter.

6.The self-driving car to be introduced next week has attracted many people’s attention.

(Predicative)
(Adverbial)
(Attribute)
be to do…注定/必将……
7.The UAV(无人机) is said to have been used in military(军事), commercial(商业) and many other fields.
sb./sth. be said/reported/believed/thought…to have been done据说某人/某物已被…
相当于It is said/reported/believed/thought…that sb./sth have been done
.
(Subject complement)
小结
1.句子1-6都使用了 结构。
由不定式
2.句子7使用了 结构，


不定式的被动式表达的意义有_____ 、 _____或______。一般时表示不定式的动作发生在谓语动作之后或同时发生,完成时表示不定式的动作发生在谓语动作之前。

（to be done）
to do 和被动式be done 共同构成
（to have been done），
由不定式to do 和完成时的被动式have been done 构成。
将来
被动
完成
Step4 Self-learning and group-discussion

Task1 choose the best answer

I hurried to the scientific exhibition, only_________the exhibition has been put off.
A. to tell B. to be telling
C. to be told D. to have been told
C
2. The smart phone is likely ________by other more advanced products.
A.to have been replaced B. to be replaced
C. to replace D. to be replacing
3. The computer doctor was reported _________ in some foreign hospitals.
A. to be applied B. to apply
C. to have been applied D. applied
B
C
Task2 用所给词的正确形式填空。
Some workers have ______________(replace) by the intelligent machines in the near future

2. With so much homework ____________(do), I am eager to have a robot to share my burden.

3. The Navigation system needs ____________________(update) now and then.
to be replaced
to do
to be updated/ updating
不定式的主动形式表达被动意义的几种情况：
1. 当不定式与之修饰的名词或代词构成动宾关系且逻辑主语在句中出现时。
(1) I have something important___________ (announce).

to announce
2. 在 there be 结构中, 动词不定式做定语修饰名词且重点强调人时。

⑴There is a lot of homework ______ (finish), so I have no time to play games.


to finish
3. 在“主语+ be + adj + to do”结构中。
常用的形容词有easy, difficult, hard, impossible, nice, , light, heavy, interesting, important, expensive, cheap, dangerous等。
(1)Mount Qomolangma is dangerous_________ (climb).
to climb
4. 在“too … to …; enough … to …”结构中。
(1)The problem is too difficult ________________(work) out.
5. 在“with + n. + to do”结构中。
Eg.With nothing _________(do), he left the office and went home.

to work
to do
6.一些动词后用动名词（doing）主动形式表被动意义, 相当于to be done的作用。

如(1)need/require/want doing= need/require/want to be done某物需要……
Eg. The car needs repairing/to be repaired.车需要修理了。
。
(2)be worth doing=be worthy to be done值得做某事

Eg. The book is worth reading again.
= The book is worthy to be read again.
这本书值得再读一遍。
(3) deserve doing =deserve to be done值得/应得
Eg. The Great Wall deserves visiting/ to be visited. 长城值得参观。
Step5Teacher’s guidance(教师点拨)

Do you have any question?
Step6 Summary and thinking.
今天所学的不定式结构及其用法：
Tip：注意一些使用不定式的常见句型结构和主动表被动的几种情况。
不定式的形式 主 动 被 动
一般式 to do to be done
意义 将来，目的 将来，被动
完成式 to have done to have been done
意义 将来完成 将来完成，被动
进行式 to be doing /
Step7Test for goals(目标检测)
Task1 根据提示词填空。
1. Everyone expects the smart city _____________(build)as soon as possible.

2. The on-line payment is very convenient _______________( operate).
to be built
to operate
3. The robot will be able __________________(communicate) with human beings in 2030.

4. WeChat was said _________________(develop) by Tencent company in 2011.
to communicate
to have been developed
It is exciting to be serving by robots in the restaurant in the future.

2. Our living condition is believed to have ︿improved greatly with the introduction of the Artificial Intelligence.
been
served
3. Many things tend︿ be made possible thanks to the invention of computer.

4. China has made great progress in technology ︿ catch up with the developed countries.

to
to
tend to do…趋于
不定式to do 作目的状语
Step8 Summary and reflection
(课后总结反思)
What have you learnt today?
不定式的形式 主 动 被 动
一般式 to do to be done
意义 将来，目的 将来，被动
完成式 to have done to have been done
意义 将来完成 将来完成，被动
一些使用不定式的常见句型结构：
It +be+adj+to do sth(注意判断主被动关系)
have to do/be likely to do / tend to do…
3. expect/want/order…+sb. to do sth.
4. be to do…
不定式主动表被动的几种情况
1. 当不定式与之修饰的名词或代词构成动宾关系且逻辑主语在句中出现时。 (sb. have sth. to do)
2. 在 there be 结构中, 动词不定式做定语修饰名词且重点强调人时 (there be sth. to do)。
3. 在“主语+ be + adj + to do”结构中。
4. 在“too … to …; enough … to …”结构中。
5. 在“with + n. + to do”结构中。
6.need /require/deserve(doing/to be done);
be worth doing=be worthy to be done


Step9 Homework.(课后作业)
1.复习记忆本节课所学的被动语态和不定式的被动形式的基本用法。

2.结合本节课所学知识点完成课本第14页的练习2和3。
Thank you!