(共27张PPT)
Unit 4
The Present Progressive
Passive Voice
现在进行时的被动语态
The present progressive passive voice
1) 表示“某人/事此时此刻正在被……”, 主语是动作的承受者。
2) 现在进行时的被动语态形式: am / is / are+being+过去分词。
它的否定形式是把not放在第一个助动词之后,即am/is/are+not+being+过去分词。
疑问形式是把第一个助动词放到句首,句末改为问号,即Am/Is/Are+主语+being+过去分词?
特殊疑问句的形式: 把特殊疑问词放在一般疑问句前面。
What is being done on the new medicine.
How many bridges are being built in the village
“三变”:原句主语变为by短语,宾语变为主语,谓语由主动变为被动;
“三不变”:原句意思不变, 原句时态不变, 原句主谓宾以外成分不变。
They are building nine parks.
→Nine parks are being built.
→How many parks are being built
主动语态变被动语态:
现在进行时的被动语态基本用法:
表示现在正在进行的被动动作。
e.g.
Mary is being interviewed now.
—My car is being repaired now.
—What’s the matter
2. 表现阶段正在进行的被动动作。
The disease is being studied at present by scientist.
The life of the panda is being studied at present .
现在正在研究熊猫的生活环境。
3. 少数及物动词的进行时表示按计划、安排将要承受某个动作。
Some rock music is being played by them next.
下面将由他们演奏一些摇滚音乐。
An party is being held tonight.
今晚将要举办一场晚会。
4. 有些动词进行时的主动形式就可以表示被动的意思,常见的这些动词有:
print, cook, fry, bake, burn, hang.
e.g. The house is burning.
The meat is cooking.
5. 在某些 “介词+名词”的短语也可以表示正在进行着的被动,常见的这些介词有: on, under
e.g. Many new cars are on show.
= Many new cars are being showed.
Your questions are under discussion.
= Your questions are being discussed.
6. 有些表 “ 状态, 心理活动, 情感”等的动词,常用一般现在时的被动语态表示 “正在进行”。
e.g. You are wanted on the phone.
MP3 is becoming more and more
popular. In other words, it is loved
by more and more people.
Practice
1. —I don’t suppose the police know who did it.
—Well, surprisingly they do. A man has been arrested and ____now.
A. has being questioned
B. is questioning
C. has questioned
D. is being questioned
2. A new cinema _____ here. They hope to finish it next month.
A. will be built
B. is built
C. has been built
D. is being built
3. Selecting a mobile phone for personal use is no easy task because technology _____ so rapidly.
A. is changing
B. has changed
C. will have changed
D. will change
4. Rainforests _____ and burned at near future.
A. cut B. are cut
C. are being cut D. had been cut
5. I don’t know what time it is now. My watch _____ . A. is repairing
B. has been repaired
C. is being repaired
D. has repaired
6. It is said that pandas _____ in our country year after year.
A. are being disappeared
B. are disappearing
C. will be disappeared
D. will disappear
7. With more forests being destroyed, huge quantities of good earth ____ each year.
is washing away
is being washed away
are washing away
are being washed away
8. — Are we about to have dinner
— Yes, it _____ in the dinning room.
is serving
is being served
has been serving
serves
请找出下列各句中的错误并改正。
1. Look! A frog is swallowed by a snake over there.
2. These animals are hunting at such a speed that they will disappear soon.
being
being hunted
3. Will you go with me to see the film
that is shown tonight
4. The man has killed his wife. Now he is being wanted by the police.
being
5. Thousands of families are fleeing their homes because their country is under attacked.
being
Discuss what you should do in the following situations. More situations:
What should you do if you are being stared by a pretty girl
What should do if your friend is being sent to work in Tibet
What should you do if you are being given a large sum of money