【公开课】Unit+1Useful+Structures+被动语态课件人教版（2019）选择性必修第四册.pptx

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1、 Period 3 Review useful structures Review the Passive Vioce Unit 1 Science Fiction1.It was going to be tested out by Lorrys wife,Claire.2.,but Larry persuaded her that the robot wouldnt harm her or allow her to be harmed.3.Now she was being looked after by a robot that looked so human,and it was dis

2、turbing.4.Claire thought it was ridiculous that she was being offered sympathy by a robot,.5.As he was not allowed to accompany her to the shops,.6.The saleswoman there was rude to her,so she rang Tony and told him she was being treated badly.7.How awful to be discovered by her,Claire thought.8.Tony

3、 expected that the house,which was being completely transformed,would be ready.Spot the similaritiespassive voice 被动语态指出句中的主谓宾语。We kept food in the fridge.We must close the windows and the door.S V.O.S V.O.Food was kept(by us)in the fridge.The windows and the door must be closed.在主动语态中强调的是执行动作的人或物，即

4、主语是动作的执行者；而在被动语态中强调的是接受动作的人或物，即主语是动作的承受者。What is passive voice?As he was not allowed to accompany her.she was being offered sympathy by a robot.A robot is offering sympathy to her.1.不知道或没必要指出动作的执行者。2.强调动作的承受者。3.广播、广告、新闻、标题中。Satisfaction Guaranteed/Man wanted.When should we use passive voice?The stre

5、et is cleaned(clean)by the dustmen every morning.These book were written(write)in 1969.Some pine trees will be planted(plant)in the park tomorrow.A new bridge is being built(build)over the river now.All the letters have been posted(post)so far.2.一般过去时:1.一般现在时:am/is/are+done3.一般将来时:4.现在进行时:Structures

6、 of passive voice5.现在完成时:was/were+donewill be+doneam/is/are being+donehave/has been+doneThe roads were being widened(widen)last week at this time.She had said that the bridge had been washed(wash)away by the flood.The baby must be looked(look)after well.6.过去进行时:7.过去完成时:8.含有情态动词:Structures of passive

7、 voice was/were being+donehad been+done must/can/may+be done Structures of passive voice Practice 1.The street is cleaned by the dustmen every morning.2.These book were written in 1969.3.Some pine trees will be planted in the park tomorrow.4.A new bridge is being built over the river now.5.All the l

8、etters have been posted.6.The roads were being widened last week.7.She had said that the bridge had been washed away by the flood.8.The baby must be looked after well.This room（belong to）me.When will the sports meeting（take place）?1.不及物动词,不及物动词短语或系动词没有被动语态。常见的有：appear,disappear,break out,come true,r

9、un out,date back,happen,go on,take place,belong to,等。belongs totake place 特殊情况：They made him go there alone.He was made(go)there alone.2.make,see,hear,watch,notice 等感官动词或使役动词：在主动语态里，作宾补的动词不定式不带to，但变为被动语态时，to 要还原。to go 特殊情况：Your advice(sound)practical.The food(taste)delicious.tastessounds 特殊情况：3.连系动词

10、(look,sound,smell,feel,taste,remain 等)后接表语时，主动形式表被动意义Silk feels smooth.The house needs（clean）.The house needs（clean）.cleaningto be cleaned 特殊情况：4.当want,need,require 等少数表示“需要”的动词后跟V-ing 时，表被动；The door doesnt shut.The cloth washes well.This type of car sells well in China.5.当open,close,shut,lock,move,

11、clean,cook,cut,wear,carry,write,read,sell,wash,measure 等用作不及物动词且表示主语某种属性时；特殊情况：特殊情况：6.有些介词短语作表语,其主动形式含有被动意义,有时介词短语“be+in/on/under+名词”含被动意义，可用来代替现在进行时的被动语态。1.The computer is in use(=is being used)now.2.These high-tech products are on display(=are being displayed)these days.3.The highway is under cons

12、truction(=is being constructed).4.The suggestion is under discussion(=is being discussed)at the meeting.“get+done”构成被动语态 用来表示状态或情况,常考的形式如：get married 结婚 get engaged 订婚 get hurt/wounded 受伤 get lost 迷路 get drunk 喝醉了 get caught/stuck/trapped 被困 get dressed 穿好衣服 get run over 被(车)轧 特殊情况：在be worth doing 和

13、be to blame 结构中，动词-ing 形式或动词不定式用主动形式表示被动意义。The match is well worth watching.Who is to blame for the mistake?The policy is partly to blame for causing the worst unemployment in Europe.特殊情况：It is said that It is reported that It is hoped that It is well known that It is believed that It must be pointed out that 固定句型中常用被动语态。1.The food tastes delicious.2.The door doesnt shut.3.The question is difficult to answer.4.He has a lot of work to do this morning.Do you have a letter to send.5.The house needs cleaning.The house needs to be cleaned.6.The movie is worth seeing.7.Who is to blame?Thank you!