The Passive Voice

(共15张PPT)
Grammar
　　
The Passive Voice
1. We plant many trees every year.
Many trees are planted by us every year.
2. People kill the animals for meat.
The animals are killed by people for meat.
3. The Chinese speak Chinese.
Chinese is spoken by the Chinese.
4. Mimi likes milk.
Milk is liked by Mimi.
被动语态的基本结构为:承受者+ + +by +执行者
be
P.P
主动变被动的方法:
People speak English in the world.
主 谓 宾
English is spoken by people in the world.
① ② ③ ④
总结:
主动语态 被动语态
宾语 →
谓语 →
主语 →
其他 → 抄下来
主语
be+ P.P
by +宾语
练习: 将下面的句子变为被动语 态.
1.We clean the classroom in the afternoon.
2. His brother washes their bowls every day .
3.They make shoes in that factory.
4.Lucy does the homework in the evening.
5.We often water the flowers .
→The classroom is cleaned by us in the afternoon.
→ Their bowls are washed by his brother evry day
→ Shoes are made by them in that factory.
→ The homework is done by Lucy in the evening.
→ The flowers are often watered by us.
用所给词的正确形式填空
1. Too much water by him every day. (drink)
2. Five apples by Tom every day. (eat)
3. I ____often________by her. (help)
4.She ____often ______by me. ( hit)
5.Many trees ______planted by us every year.
6.1000 trees ______planted by us last year.
7.So far, millions of trees _____________planted by us .
8. More trees __________planted by us next year.
用be的正确形式填空
观察: be动词有______,_______和 _______的变化.
is drunk
are eaten
helped
is
hit
are
were
have been
will be
am
时态
人称
数
各种时态的被动语态
1.一般现在时
2.一般过去时
3.一般将来时
4.现在进行时
5.过去进行时
6.现在完成时
am/is/ are +P.P
was/were + P.P
will +be+ P.P
am/is/ are +being +P.P
was/ were +being +P.P
have/has +been +P.P
练习: 用be动词的正确形式填空.
A knife _________ used to cut apples.
2. The air _________ polluted already.
3.The rooms ________cleaned later.
4. The students _______ asked to have breakfast.
5.They_______ encouraged to study hard in the past.
6.Not only he but also I _____ punished last night.
is
has been
will be
are
were
was
Many trees are planted by people every year.
→ Many trees aren’t planted by people every year.
→Are many trees planted by people every year
→ What is planted by people every year
→ Who are many trees planted by every year
→ By whom are many trees planted every year
→ Many trees are planted by people every year,aren’t they
→ People plant many trees every year.
句型转换:
小结:
用法:
1.她是由我帮助的.
2.她受到了帮助.
3.南方种水稻.
4.每天要用很多水.
5. 山上种了很多树.
She is helped by me.
She was helped.
Rice is grown in the south.
A lot of water is used every day.
Many trees are planted on the hill.
总结:
1.强调动作的承受者.
2.不知道谁是动作的执行者.
3. 没必要指出动作的执行者.
比较:
The book ____________ yesterday. (return).
2. He __________ yesterday. (return)
3. The sun ________(rise) in the east.
4. what _________ (happen) to him just now
5. when _____the World War II ______(break) out .
6. Great changes __________(take) place in China .
总结:并非所有的动词都有被动语态.
was returned
returned
rises
happened
did
break
have taken
练习:单选
( )1.--- where did you go just now
--- I ______ to go to the office.
A. asked B. am asked
C. have been asked D was asked.
( )2. --- Look, what a nice garden!
--- Yes, It ____ every day.
A. has been cleaned B. is cleaned
C. is being cleaned D. was cleaned
( )3. --- Why didn’t you go to the party last night
--- Because I ______.
A. wasn’t invited B. didn’t invited
C. haven’t invited D. am not invited
D
B
A
判断正误:
( )1. The boy is cried.
( )2. The work are finished .
( )3. The waste paper can recycle.
( )4. The water stopped from running away.
( )5. People stop throwing litter about.
( )6. People stop from cutting down trees.
F
F
F
F
F
T
句型转换:
We don’t speak Japanese at school.(被动语态)
Japanese ______ ________ by us at school.
2. The desk is made by Tom.(主动语 态)
Tom _________ the desk.
3. It’s made in China,_____ ______ (反意疑问句)
4.He’s caught the thief ,_____ ______ (同上）
5.Tom, be, by, the model plane, make （连词成句）
isn’t
spoken
makes
isn’t
it
hasn’t
he
The model plane is made by Tom.
写作:
众所周知,现在的环境被人们破坏得严重.人们把大量的废弃物倒进河里,他们杀死许多动物,大量地砍伐树木.幸运的是, 政府已经采取措施来保护环境,污水不能排进河里.每年都种了很多树.动物也受到了很好的保护.我相信我们的环境将会越来越好.