人教版[整理]初三英语复习课件-被动语态复习课.ppt

专 题 复 习 课The Passive Voice 被 动 语 态,复习目标1、掌握语态基本概念；2、熟悉常见语态转换；3、在语篇中理解和运用被动语态。复习重点:1.一般现在时和一般过去时的被动语态；2.一般现在时带情态动词的被动语态。复习难点:1.被动语态中be形的确定；2.主动语态中省略to的宾补在被动语态中须补上to.,一、基本概念复习1、观察结构执行者+及物动词+承受者Workers make cars in this factory.主 谓 宾承受者+be+及物动词过去分词+(by+执行者)Cars are made(by workers)in this factory.主 谓 2、总结概念：谓语动词的执行者作主语，用_语态。谓语动词的承受者作主语，用_语态。,主动,被动,二、常见语态转换（一）一般现在时和一般过去时的被动语态。引入练习1。请将下列主动语态变成被动语态1.Lucy bought some fruit.Some fruit _ _ _ Lucy.2.Uncle Wang waters the flowers every day.The flowers _ _ _ Uncle Wang every day.3.Did they build the bridge in 1998?_ the bridge _ in 1998?4.When did Lu Xun write these books?When _these books _ _ Lu Xun?5.The farmers dont grow apples on the farm.Apples _ _ on the farm.6.They didnt clean the classroom yesterday.The classroom _ _ yesterday.小结：1、被动语态的转换，在be+过去分词中，确定_ 是关键，_永不变。2、Be的时态由_确定；be的单/复数由_确定。3、问句提前_;否定_后加not.,was bought by,are watered by,Was,built,were,written by,arent grown,wasnt cleaned,be 形,过去分词,主动时态,被动主语,be动词,be,(二）一般现在时带情态动词的被动语态。引入练习2。请将下列主动语态变成被动语态。1.You can do the work all by yourself.The work _ _ _ all by yourself.2.We must plant more trees.More trees _ _ _.3.We should dig a large hole.A large hole _ _ _.4.Can we put our bikes here?_ our bikes _ _ here?5.You mustnt throw rubbish here.Rubbish _ _ _ here.6.We cant see many stars.Many stars _ _ _.小结：1.含情态动词的被动结构：_.2.疑问句提前_;否定句：_+not.,can be done,must be planted,should be dug,Can,be put,mustnt be thrown,cant be seen,情态动词+be+过去分词,情态动词,情态动词,（三）、动词+宾语+宾补结构的转换观察结构：1.ask sb.to do sth.(_)2.see sb.do sth.(_)3.see sb.doing sth.(_),带to的不定式作宾补,省略to的不定式作宾补,V-ing作宾补,(sb.)be asked to do sth.(_),变成被动，形式不变,(sb.)be seen to do sth.(_),被动补上to,(sb.)be seen doing sth.(_).,形式不变,引入练习3、请将下列主动语态变成被动语态。1.The farmer made the horses work the whole day.The horses_ _ _ _ the whole day.2.Mum asks the twins not to swim in the lake.The twins _ _ _ _ _ in the lake.3.I saw a mouse run into the room.A mouse _ _ _ _ into the room.4.I often hear him sing English songs.He _ often _ _ _ English songs.5.I saw Lucy playing in the park just now.Lucy _ _ _ in the park just now.6.They watched the children sing that morning.The children _ _ _ _ that morning.小结:1.主动语态中省略to的宾补在被动中应_.如以上 _题.2.其它形式的宾补在被动中_.如以上_题。,were made to work,are asked not to swim,was seen to run,is,heard to sing,was seen playing,were watched to sing,补上to,1、3、4、6,不变,2、5,（四）、动词短语的被动语态。引入练习4、改正下列转换中的错误：1.People often talk about the film.误：The film is often talked.正：2.Lily looked after the baby.误：The baby was looked by Lily.正：3.We shouldnt give up the work.误：The work shouldnt be given.正：4.We cant work out the problem.误：The problem cant be worked.正：,The film is often talked about.,The baby was looked after by Lily.,The work shouldnt be given up.,The problem cant be worked out.,5.We must take good care of young trees.误：Young trees must be taken good care.正：6.We must write to him.误：He must be written.正：小结：动词短语在转换成被动语态时，不能丢掉其中的_。,Young trees must be taken good care of.,He must be written to.,介词或副词,三.Read the passage and answer right or wrong.1.The tiger escaped from the zoo because it want taken good care of.()2.One morning the tiger was seen to run into the city.()3.That morning the tiger was so strong that many animals were killed.()4.Tom was asked to go to school that day.()5.The tiger was taken to the zoo by the zoo keepers.()6.Now the tiger is given the most food in the zoo.(),R,W,W,W,W,R,四.Fill in the missing words according to the passage.(注意和原文语态的不同）Several days ago a large tiger escaped from the zoo because it(1)_fed well.One morning the tiger was seen(2)_run into a small forest near the city(3)_Some people.The people(4)_the police about it at once.They said that the tiger was very strong,but the animals around it(5)_not hit.The police warned people not to go out during the night.Tom was made not（6）_ go to school that day.The police(7)_ asked to find out the tiger quickly and kill it.But the police said the tiger should(8)_protected andwell looked after if it was found out.In the evening a big net was putaround the Forest by the police.Some sheep(9)_tied to the trees behind the net.When the sheep were heard(10)_ bleat,the hungry tiger ran out to catch them.At last the tiger was caught and it was(11)_back to the zoo.Now the tiger(12)_ taken good care(13)_.It must(14)_given the most food because it is the largest.,wasnt,to,by,told,were,to,were,be,were,to,taken,is,of,be,Homework:(点击中考，明确重点)Please do the exercises on your paper.,GOODBYE,Thank you!,