人教英语选修2 Unit2 Grammar （共27张PPT）

(共27张PPT)
Revise the Passive Voice
(I)
Unit 2 Grammar
To revise the passive voice and use it properly
Compare






在英语中，语态分为两种：主动语态和被动语态。主动语态和被动语态都是指动词的形式而言。
在主动语态中强调的是执行动作的人或物，即主语是动作的执行者；而在被动语态中强调的是接受动作的人或物，即主语是动作的承受者。


Listen to the short passage and fill in the blanks using the correct form of the verbs.
We have an old musical instrument.
It _________ a clavichord. It __________
in Germany in 1681. Our clavichord _________ in the living room. It has belonged to our family for a long time. The instrument ____________ by my grandfather many years ago. Recently it ____________ by a visitor. She tried to play jazz on it! She struck the keys too hard and two of the strings ____________. My father was shocked. Now we ______________ to touch it. It _______________ by a friend of my father’s.
is called
was made
is kept
was bought
was damaged
were broken
are not allowed
is being repaired
… the Chinese part of the river that
is called the Mekong River in other countries. (必修1)
2. For each Olympics, a special village
is built for them to live in, … (必修2)
3. Over time I have been changed quite a lot. (必修2)
Look at the following sentences.
Have a look
4. Only athletes who have reached the
agreed standard for their event will be
admitted as competitors. (必修2)
5. Some festivals are held to honour the
dead or to satisfy the ancestors, …
(必修3)
6. When they were served the ice cream,
Yong Hui began to look ill. (必修3)
7. Sometimes celebrations would be held
after hunters had caught animals.
(必修3)
8. She has argued that wild animals
should be left in the wild and not used
for entertainment or advertisements.
(必修4)
9. The water companies were instructed
not to expose people to polluted water
any more. (必修5)
10. I realized that I had been transported
into the future of what was still my
hometown! (必修5)
11. A lot of Tang poetry has been
translated into English. (选修6)
12. And if the doors could be opened
outwards, disabled customers would
be very happy. (选修7)

语态 (Voice) 是动词的一种形式，它表示句子的主语和谓语动词之间的关系。语态通常分为主动语态和被动语态。
被动语态 (Passive Voice) 表示句子的主语是动作的承受者。其句子的谓语动词是：be + V-ed形式。
被动语态
指出句中的主谓宾语。
We kept food in the fridge.
We must close the windows and the door.



S
V.
O.



S
V.
O.
Food was kept (by us) in the fridge.
The windows and the door must be closed.


使用被动语态的情况：
Many houses will be built here.
The song The East is Red was written by a poor peasant.
1. 不知道或没必要指出动作的执行者。
2. 强调动作的承受者。

The plan was supported by those who wished to have more chances to speak English.


You are requested to attend the meeting.
3. 动作的执行者有较长的修饰语。
4. 出于礼貌，不愿意说出动作执行者。




be
+ done

am/is/are
一般现在时
am/is/are + being
现在进行时
shall/will + be
一般将来时
have/has + been
现在完成时



被动语态的构成
be
+ done

was/were
一般过去时
was/were+being
过去进行时
would+be
过去将来时
had+been
过去完成时



Correct mistakes:
This room is belonged to me.
This music is sounded sweet.

belongs to

sounds
1. 只有及物动词和及物动词短语才可以有被动语态。不及物动词, 不及物动词短语或系动词没有被动语态。如: happen, go on, take place, belong to, sound, feel等。
2.有些动词常跟相关副词连用，以主动形式表被动含义，如: open, write, read, sell, wash, measure 等。
a. Your article reads well.
b. This type of car sells well in China.
c. The?coat?dries?easily.?
It is said that …
It is reported that …
It is hoped that …
It is well known that …
It is believed that …
It must be pointed out that …
3. 在一些固定句型中常用被动语态。
Firefighters could be trained using virtual reality technology.
The position of the viewer can be calculated at any time.
4. 情态动词的被动语态可以用来表示能力、可能性、责任等。
The long novel was written by Mr. Lu Xun in the 1920s.
The long novel is well written, isn’t it?
The glass was broken by his little son yesterday.
Look, the glass is broken! Who broke it?
被动语态
被动语态
系表结构
系表结构
5. 注意区别被动语态与系表结构：
被动语态表示动作，句子主语是该动作的承受者，V-ed表示动作；而系表结构表示状态，说明主语的特点或所处的状态，V-ed为形容词。
Fill in the blanks with the correct form of the verbs.
Practice
1. My sister __________ (offer) a good chance to go abroad for further education.
2. A book __________ (read) more than once if you want to understand it better.
3. Every possible means ____________ (use) to prevent the air pollution, but sky is still not clear.
4. —George and Lucy got married last week. Did you go to their wedding ?
—No. I _________________ (invite). Did they have a big wedding?
was offered
must be read
has been used
hadn’t been invited
Fill in the blanks with the right form of the words given.
I __________ (give) a new book by my father on my birthday.
English _________ (find) very useful.
3. The work ______________ (finish)
tomorrow.
4. The flowers ________________ (water) by them now.
was given
is found
will be finished
are being watered
5. The railway ______________ (build)
this time last year.
6. The new way ____ already _________
(build).
7. The new railway _____________ (build)
by the end of last year.
8. He told me the sports meeting
_____________ (hold) the next month.
9. Rice ________ (grow) in the south of the
States.
was being built
has
been built
had been built
would be held
is grown

2. 主动语态改为被动语态的三个步骤：
a. 把主动句的宾语变成被动句的主语；
b. 把主动句的谓语变成be+V-ed，时态与原句保持一致；
c. 把主动句的主语变成由by引导的的宾格形式，放在被动句的谓语之后，by短语可以省略。
1. 复习被动语态的各种形式。
1. Unless extra money ____________ (find), the theatre will close.
2. — Did you enjoy the party?
— Yes, we ____________ (treat) by our hosts.
3. In my hometown, there is always a harvest supper for the farmers after all the wheat ____________ (cut).
is found
were treated
has been cut
实战高考
4. Despite the previous rounds of talks, no agreement _______________ (reach) so far by the two sides.
5. More expressways ______________ (build) in Sichuan soon to promote the local economy.
6. To my delight, I ____________ (choose) from hundreds of applicants to attend the opening ceremony.
has been reached
will be built
was chosen
7. It is reported that a space station ___________ (build) on the moon in years to come.
8. The students have been working hard on their lessons and their efforts _____________ (reward) success in the end.
?????????????
9.?Nowadays, cycling, along with jogging and swimming, ___________ (regard) as one of the best all-round forms of exercise.

will be rewarded
is regarded?
will be built
Finish the exercises in Learning English.