新概念英语2被动语态(共23张PPT)

(共23张PPT)
1.I watch TV. TV is watched by me.
2. He reads books. Books are read by him.
3. We clean our classroom. Our classroom is cleaned by us.
4. She does her homework. Her homework is done by her.
5. They ride their bikes. Their bikes are ridden by them.
比较两组句子，你能找出不同点吗？
主动语态
被动语态
1.英语的语态是通过动词形式的变化表现出来的。英语中有两种语态：主动语态和被动语态。
主动语态表示主语是动作的执行者。
例如：Many people speak Chinese.
谓语：speak的动作是由主语many people来执行的。
被动语态表示主语是动作的承受者，即行为动作的对象。
例如：Chinese is spoken by many people.主语English是动词speak的承受者。
Grammar
2.被动语态由 “助动词be＋及物动词的过去分词”构成。人称、数和时态的变化是通过be的变化表现出来的。一般现在时的被动语态构成：
am/is/are＋p.p.（过去分词）eg :
1 Shakespeare’s plays are seen by millions of
people every year.
2 Confucius’ works are still read by many
people today.
3 Mark Twain isn't known as a great thinker.
4 Parents are respected by Chinese people .
5 Many trees are planted along the two
banks of the river.
Grammar
3. 一般现在时被动语态的构成：
am / is / are +done
例如：
Children love these songs. (主动语态）
These songs are loved by children.(被动语态）
4. 被动语态的用法：
(1) 要表达“被……”、“受……”、
“遭……”、“让……”之类的语义。如：
Teachers are well respected.
(2) 强调动作接受者。例如：
He is known far and wide.
(3) 不知道或没有必要指出动作的执行者。
如：
The room is cleaned every day.
My father water the flowers every day.
We sweep the floor every day.
They plant the trees every year.
He plays the computer games on Saturdays.
5. She sends an email once a week.
写出下列句子的被动语态。
A recorder is used in our English class every day.
recorder, use, class
use, for, photo
football, play, world
Football is played all over the world.
Cameras are used for taking photos.
bank, rob yesterday
satellite,send up, last year
A man-made satellite was sent up into space last year.
The bank was robbed yesterday.
Must, send to, hospital, right now
a talk, give , soon
They must be sent to the hospital right now.
A talk will be given soon.
Thehamburger has been eaten up already.
hamburger, already, eat up
Football is played all over the world.
A camera is used for taking photos.
A bank was robbed yesterday.
A man-made satellite was sent up into space last year.
The tree must be planted on the ground.
The ground will be covered with trees in a few years’ time.
They will be sent to the hospital right now.
A talk will be given soon.
The food has been eaten up already.
一般现在时—— am／is ／are + v.p.p.
一般过去时—— was／were +v.p.p.
一般将来时—— will be／be going to be +
v.p.p.
情态动词—— aux.v. (must／can／could
／may…) + be + v.p.p.
现在完成时—— have/has +been+ v.p.p.
　被动语态的构成：be +vt.p.p.
被动语态：主语是动作的承受者 。
The People's Republic of China ___ on October 1, 1949. A. found B. was founded C. is founded D. was found
English ____ in Canada.
A.speaks B.are spoken C. is speaking D. is spoken
3. Our room must ___ clean.
A. keep B. be kept C. to be kept D. to keep
4. -I'd like to buy that coat -I'm sorry. ___.
A. it sold B. it's selling C. It's been sold D. it had been sold
5. A new house ___ at the corner of the road.
A. is building B. is being built C. been built D. be building B D B D B
一、选择填空
6. The key ___ on the table when I leave.
A. was left B. will be left C. is left D. has been left 7. His new book___ next month. A. will be published B. is publishing
C. is being published D. has been published 8. ___ the watch been repaired yet I badly need it.
A. Does B. Has C. Is D. Are 9. ___ these desks be needed
A. Will B. Are C. Has D. Do 10. Why ___ to talk about it yesterday A. didn't a meeting hold B. wasn't a meeting held
C. wasn't held a meeting D. a meeting wasn't held 11. Who was the book___
A. write B. wrote C. written D. written by 12. Where ___ these boxes made
A. was B. were C. is D. am C A C B A D B
二、用所给词的适当形式填空。
1. The play __________ （show) at the theatre next Sunday. .
2. Now these magazines______________(keep) in the library for a long time.
3. The story books______________ (write) by the writer in the 1960s.
Great changes________________(take place) in our country during the past 20 years.
4..
9. Have you found your necklace __________(steal) last week
6. I’m often _________(warn）not to copy others’ homework.
7. He couldn’t explain why dinosaurs ___________ (disappear).
8. I’ll have my bike __________________(mend/ repair) tomorrow.
5. Must the old people ____________(speak) to politely
10. The PRC _____________(found) on October 1, 1949.
will be shown
have been kept
were written
be spoken
warned
disappeared
mended／repaired
was stolen
was founded
have taken place
1. Large numbers of plastic bags _________ (use) in the supermarkets every day.
2. _____ our country ____(send) up another man-made satellite last year
3. Must the old people ___________ (speak) to politely
4. Her grandma was still alive when he _________ (take) to the hospital.
5. English __________(speak) in many counties.
are used
Did
send
be spoken
was taken
is spoken
6. Three quarters of the world’s books ____________ (write) in English.
7. This kind of sweater __________ (sell) well.
8. _________ Lesson 50 ___________ (teach) next week
are written
sells
Will
be taught
Thanks for listening!
Goodbye!