8B Unit 8 A green world Grammar课件（21张PPT）

课件21张PPT。被动语态 2被动语态基本用法
当句子的主语是动作的执行者时，谓语的形式是主动语态。当句子的主语是动作的承受者时，谓语要用被动语态。被动语态由助动词be+过去分词构成，时态通过be表现出来。RevisionThe TV _______ (turn) on. We are ready to watch TV.
A keyboard ________ (use) for typing information into the computer.
The trip to the World Park _____________ (organize) by Mr Wu.
The skirts with green and white flowers _________ (design) by my sister.
The little cat _________ (take) to the animal center.
Many reserves _________ (built) in China last year. is turned is used was organized is designed was taken were builtEnglish _______ (teach) in schools all over the China.
I’m afraid the trousers of your size _________ (sell) out.
The fire ___________ (put) out by the firemen.
My new sweater __________ (make) of wool.
My homework __________ (check) two hours ago.
Thousand of new books ____________ (print) every year in our country. is taught are sold was put is made was checked are printedTom will clean the room tomorrow.主谓宾(受动者)The roomwill be cleanedbyTom tomorrow.His brother washes bowls every day.主谓宾(受动者)Bowls are washedbyhis brother every day.A fairy gave princess Laura a magic wand.主谓宾1(受动者)宾2Princess Laura was given a magic wand by a fairyA magic wandwas giventoPrincess Laurabya fairy1.People use knives for cutting things.
Knives ______ ______ for cutting things_______ _______.
2.The students clean the windows of their classroom twice a month.
The windows of their classroom______ _______ twice a month_____ _____ ________.EXERCISES are usedarecleaned(变被动语态）by peopleby thestudents3.I found the ticket on the floor.
______ ______ ______ ______ on the floor_____ ______.
4.I told her to return the book in time.
She ______ _______ to return the book in time_____ ______.The ticket was found was toldby meby me5. His doctor made him have only two meals a day.
He ______ _______ _______ _______ only two meals a day___ ____ ______.
6.Now people can use computers to help them.
Now computers _______ ______ ______ to help them_____ ______. was made to have can be usedby his doctorby people7. Did you plant many trees at this time last year?
_______ ______ _______ _______ at this time last year____ _____?
8.Must we finish our work today?
_______ our work______ _______ today_____ ______?Were many trees plantedMust be finishedby youby us9. The foreign friends gave us some wonderful stamps.
1) _______ ______ _______ some wonderful stamps___ ____ _____ _______.
2) Some wonderful stamps _______ ________ _______ _______by the foreign friends. we were given were given to usby t he foreignfriendChange the active voice into the passive voice.
1.Millie painted this picture.
2. He sells coke in a small shop.
3. People grow rice in China.
4. He wrote the letter last night.
5. Tom took many beautiful photos.This picture was printed by Millie.Coke is sold in a small shop by him .Rice is grown in China ( by people).The letter was written last night by him.Many beautiful photos were taken by Tom.
1.He is cleaning the classroom.
2.They have finished their homework.
3.I can mend his bike.
4.She will buy ten books tomorrow.
5.We shouldn’t allow them to go out with their friends.
6.The old man often makes us laugh.He has to look after the little baby.主谓宾(受动者)The little babyhas to be looked afterbyhim.改为被动语态10.The teacher asked Tom to turn on the computer.
Tom _______ ________ to turn on the computer.
11.In this factory women do most of the work.
Most of the work _______ ________ by women in this factory. was asked is done12.He can mend the bike in two days.
The bike ______ ______ _______ in two days.
13.You must take this medicine three times a day.
This medicine _______ _______ ________ three times a day. can be mended must be taken14.The students in this school study German.
German _______ ________ by the students in this school.
15.Do they often talk about this question?
______ this question often _______ about _______ _______? is studiedIs talked by them The question was discussed in the meeting room by them.
Change the passive voice into the active voice.Theydiscussedthe questionin the meeting room .The rubbish can be put into the dustbin
by people over there .
Peoplecan put the rubbishinto the dustbin over thereII.　将下列句子改成主动语态．
1. Metal is used for making machines. （用workers 做主语）
______________________________________________
2. English is spoken by many people .
_____________________________________________
3. The classroom was cleaned . ( 用the students 做主语)
____________________________________________________
4. These photos were taken on the Great Wall . ( 用my sister 做主语 )
___________________________________________________
5. This song is often sung . ( 用 the girl 做主语 )
_________________________________ Workers use metal for making machines.Many people speak English.The students cleaned the classroom .My sister took these photos on the Great Wall.The girl often sings the song.6.The dictionary must be taken good care of.(用you作主语)7.A short play will be put on for the English evening.(用she作主语)You must take good care of the dictionary.He will put on a short play for the English evening.