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1、Unit 3 Online travel、教学内容:Unit 3 Online travelGrammar教学目标:掌握Unit3的词法结构和用法:Passive Voice.被动语态结构:be +动词的过去分词。.重点掌握以下6种情况的被动语态:一般现在时的被动语态一般过去时的被动语态一般将来时的被动语态现在进行时的被动语态现在完成时的被动语态(am/is/are + 过去分词)(was/were + 过去分词)过去分词)(will be +过去分词)/(am/is/are going to be +(am/is/are being + 过去分词)(have/has been +过去分词)含
2、有情态动词的被动语态(情态动词+be+过去分词).重点掌握两种特殊情况的被动语态含有使役动词、感官动词和help后接不带to的动词不定式改为被动语态时要加上 to 。双宾语的情况改为被动语态时有两种改法。.特别注意 happen(take place) 及系动词 feel, sound, taste, smell, look等没有被 动语态的情况。经典讲解:被动语态英语中的语态(voice)英语中有两种语态:主动语态和被动语态。1)主动语态(active voice)表示主语是动作的发出者、执行者 .Many people speakEnglish.主语many people 发出、执行了 s
3、peak的动作2)被动语态(passive voice)表示主语是动作的承受者,即行为动作的接受者。English is spoken by many people.主语English是动词speak的承受者。被动语态的构成被动语态由“ 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动词的变化表现出来的。现以 teach为例说明被动语态在各种时态中的构成。一般现在时:am/ is / are + taught一般过去时:was/ were + taught一般将来时:will /shall be + taught现在进行时:am/ is / are being + taught
4、过去进行时:was/ were doing + taught现在完成时:have/has been + taught(一)一般现在时的被动语态一般现在时被动语态表示经常性、习惯性的被动动作。am/is/are +done改为被动语态e.g.1 : His brother washes bowls every day.Bowls are washed by his brother every day.e.g.2 : A dog follows me.I m followed by a dog.e.g.3: Football is played all over the world.否定句:Foo
5、tball is not played all over the world.一般疑问句:Is football played all over the world?翻译句子:.这些玩具是中国制造的。These toys are made in China.这个公园是为老年人建造的。The park is built for the old.【典型例题】一般现在时的主动语态变被动语态:Bruce writes a letter every week.【答案】fA letter is writtenby Bruce every week.This factory produces machine
6、 tools.Machine tools are produced in this factory.They often make fun of her.【 答案 】fShe is often made fun of.Everyone respects her.【 答案 】fShe is respected by everyoneWe clean our classroom every day.【 答案 】fOur classroom is cleaned by us every day.Do you wash your clothes very often?【 答案 】fAre your c
7、lothes washed very often?Most people in the USA speak English.【 答案 】fEnglish is spoken by most people in the USA.People listen to this programme in many countries.【 答案 】fThis programme is listened to in many countries.People speak English in many countries.【 答案 】fEnglish is spoken in many countries.
8、Do you often clean your room?【 答案 】fIs your room often cleaned by you?(二)一般过去时的被动语态一)掌握一般过去时的被动语态的概念及构成一般过去时的被动语态表示过去经常性、 习惯性的被动性动作或过去某一时刻发生的被动性动作。句型格式: was / were + done即由主语 ( 动作承受者 ) + was / were + 过去分词 (+ by + 施动者 ) 构成。与主动语态相比 , 被动语态中主语是谓语动作的执行者。 无需说明动作执行者时可省去“by+动作执行者”。句中主语就是原主动语态的宾语,动作执行者就是原主动语
9、态的主语。I时用was,主语为was, were 由主语单复数形式而定,主语为第三人称单数名词或代词或复数名词或代词或you 时用 were 。例: 1. 去年,我是由赵老师教的。I was taught by Miss Zhao last year.那些信是由一位有名作家写的。Those letters were written by a famous writer.昨天晚上那条裙子被买走了。That skirt was bought last night.我的书在哪里?刚才它被放在桌子上的。 Where is my book ? It was put on the desk just no
10、w.这座桥是去年十月份建的。This bridge was built in October last year.这些蛋糕是我妈妈昨天晚上做的。These cakes were made by my mother last night.女孩说她经常被她兄弟打。The girl said she was often beaten by her brother.二)掌握一般过去时被动语态句型的变换方法一般过去时被动语态句型变换应围绕was, were 进行,构成否定句在其后加not ,构成构成特殊疑问句将一般疑问句置于特殊疑问词后面, 构成反意疑was/were 。His computer was
11、 not stolen by thieves last night.他的电脑昨天晚上没有被小偷偷走。Was your homework finished in time yesterday evening?昨天晚上你及时完成家庭作业了吗?When was your letter written? The day before yesterday?你的信是什么时候写的?前天吗?Why was this problem not worked out by you?为什么你没有解出这道试题?Your bike was not repaired last night, was it?你的自行车昨晚没有
12、被修,是吗?这房子不是 1958 年建造的。是哪一年造的呢? 1987 年。 This house was not built in 1958. When was it built? It was built in 1987.三)掌握一般过去时被动语态疑问句的回答方法一般过去时被动语态一般疑问句的肯定回答用“ Yes, ,was/were. ”否定回答用“ No, ,wasn t/weren t. ”特殊疑问句应抓住特殊疑问词进行回答,可用简略方法,也可用完整方法。反意疑问句也应用“ Yes, ,was/were. ”或“ No, ,wasn t/weren t.进行回答。 Was your
13、office cleaned yesterday afternoon?你的办公室昨天下午被打扫了吗? Yes, it was. /No, it wasn t. 是的,被打扫了。 / 不,没有被打扫。 Were your rooms painted again last week?你的房间上周重新粉刷了吗? Yes, they were. /No, they weren t.是的,被重新粉刷了。 / 不,没有被重新粉刷。 When was your brother sent to work in Beijing?你兄弟是什么时候被派到北京去工作的? Last year. /He was sent
14、 to work in Beijing last year.去年。 / 他是去年被派到北京去工作的。 Where was your party held last Sunday?上周日你的聚会是在哪儿举行的? At home. /It was held at home. 在家里。 / 在家里举行的。 Your debt was paid off at last, wasn t it?你所欠的债最终被还清了,是吗? Yes, it was. /No, it wasn t. 是的,被还清了。 / 不,没有被还清。【 典型例题】Oh, this is really a big shop. Do yo
15、u know when it ?A. builtB. has been built C. has built D. was builtYou needn t clean the reading room now, because it just now.A. cleaned B. was cleaningC. is cleanedD. was cleanedThe young woman was very sad, because her handbag that day.A. was lost B. lostC. was losingD. is lost Who is the little
16、boy in the picture? It s me. The picture 10 years ago.A. tookB. is takenC. has takenD. was taken Did Jack come to our party yesterday? No, he .D.A. wasn t invitedB. didn t inviteC. isn t invitedhasn t invitedThe doctor looked over Peter carefully after he to the hospital.A. takesB. is takenC. tookD.
17、 was takenThe PRC in 1949, so it has a very long history.A. was foundB. is foundedC. was foundedD. has been foundedI ten minutes to decide whether I should give up the plan.A. gaveB. was givenC. was givingD. had givenAll our rooms by the children yesterday afternoon.A. cleanedB. were cleanedC. is cl
18、eaned D. cleanPeter a job in this company, but he refused to take it.A. was offeredB. offeredC. was offeringD. had offeredAs she by the story, Karen burst into tears.A. deeply movedB. has deeply movedC. was deeply movedD. was deeply movingYesterday, Peter a ticket for speeding.A. gaveB. had been giv
19、enC. was givenD. was givingthe worker from morning till night?A. Did, make to workB. Was, made workingC. Was, made worked D. Was, made to workA tall man down the road at midnight.A. was seen runB. was seen runningC. saw runningD. has been seen runningIt was said that other possibilities at the meeti
20、ng the day beforeyesterday.A. were not paid attentionC. not paid attention toB. were not paying attention toD. were not paid attention toThe teacher as well as a number of students to attend the party yesterday.A. were asked B. was askedC. were askingD. was askingI wanted very much . to go to that b
21、all , but.A. Im not invitedB. I won t be invitedC. I wasn t invitedD. I haven t been invitedWere you praised by your teacher for your good answer yesterday?Yes, I.A. wereB. wasC. didD. hadYou were not taught how to do it,you?A. wereB. wasC. didD. hadHe was asked to make a speech at the meeting,he?A.
22、 wasn t B. weren t C. didn t D. hadn t【答案】 DDADA DCBBA CCDBD BCBAA(三)一般将来时的被动语态一般将来时的被动语态构成形式:助动词 will/shall +be+及物动词的过去分词(shall/will+be done )(1)描述事物将受到某种影响或某种处理。(2)描述人物将被动地接受某种行为或某种处理。The people of Beijing will plant more trees and build new road.More trees will be planted and new roads will be bu
23、ilt by people of Beijing.John will take his dog back.John s dog will be taken back by him.Its negative structure:will + not + be +过去分词My pictures won t be developed until next week.Its interrogative:will+ subject+ be+过去分词?Wh- +will+ subject+ be+过去分词?Will the 29th Olympic Games be held in Beijing?Whe
24、n will the 29th Olympic Games be held in Beijing?【典型例题】一、划线部分提问:They will build many new sport venues for the Beijing Olympic Games.Millions of people will watch the final match on TV.John will carry the Canadian flag at the opening of the Olympic Games.They will make all the flags by hand. Mrs Jone
25、s will take care of your pet dog while you are away on holiday.The government will spend almost 100 million yuan on this programme.【答案】What will be built for the Beijing Olympics?Where will the final match be watched by millions of people?By whomwill the Canadia n flag be c arried at the opening of
26、the Olympic GamesHow will all the flags be made?What will be taken care of by Mrs Jones while you are away on holiday?How much will be spent by the government on this programme?二、翻译句子.这条裙子太漂亮了 !会有很多女孩儿喜欢的!.他一到达这个城市就会被认出。.这项工作很快就完成了。.我们不会受到邀请。.动物园的动物马上要喂养了。【答案】What a beautiful skirt! It will be loved
27、 by many girls.He will be recognized as soon as he arrives at this city.The work is going to be done soon.We will not be invited.The animals in the zoo will be fed soon.三、单项选择题All those old buildings down tomorrow.A. will be knockedB. will knockC. will have knockedD. knock TOC o 1-5 h z 【 答案】 A解析 :
28、will/shall be +p. p.一般将来时的被动语态。故答案选A。The mistakes in the exercises will the teacher.A. crossB. be crossingC. be crossed by D. cross by【 答案】 DIt is said that a new robot by him in a few days.A. designedB. has been designedC. will be designedD. will have been designed【 答案】 CI ll have to push the car t
29、o the side of the road because we if weleaveit here.would be finedwill be finedwill being finedwill have been fined【 答案】 B(四)现在完成时的被动语态的用法表示一个被动的动作发生在说话之前, 强调对现在造成的影响和结果。如 :The door has been locked. 门被锁上了。表示一个被动的动作或状态开始于过去, 持续到现在 , 并可能持续下去, 常与 for或 since 引导的时间状语连用 , 或用于 How long. . . ? 句型中。如 :The im
30、portant problem has been discussed for nearly two weeks.那个重要的问题已经被讨论近两个星期了。How long has the machine been used?这机器使用多久了 ?现在完成时的被动语态应注意的几个问题( 1)请注意现在完成时的被动语态的两个助动词 , 即 have/has 和 been, 两者缺一不可。( 2)请注意与一般过去时的被动语态的区别。一般过去时的被动语态所表示的动作或状态与现在的情况没有联系 , 而现在完成时的被动语态则强调与现在情况的联系。如 :The bridge was built last year
31、.这桥是去年建成的。The bridge has been built.这桥已经建好了。请注意一些特殊动词 ,如 borrow, finish, begin, buy, start, return, marry, open, join等构成的现在完成时的被动语态不能与表示一段时间的状语连用。若要表达相应的意思,则需改换动词或时态。如: 误How long has this book been bought? 正How long ago was this book bought?但这类动词的否定式可表示动作的持续过程,具有连续性,因而可与since或for引导的时间状语连用。如:No books
32、 have been bought since last week.自上周以来,没有人来买过书。肯定句This book has been translated ( 翻译)into many foreign languages.否定句This book has not been translated into many foreign languages.一般疑问句Has this book been translated into many foreign languages?【典型例题】翻译下列句子,并改成否定句和一般疑问句.那本书已经送给了我父母。.今天这首歌已经被唱了几次了。【答案】T
33、he book has been given to my parents.The book has not been given to my parents.Has th e book been given to my parents?The song has been sung for several times today.The song has not been sung for several times today.Has the song been sung for several times today?(五)含有情态动词的被动语态含有情态动词can/may/must的主动句变
34、成被动句时,由“情态动词+be+过去分词”构成,We can repair this watch in two days.This watch can be repaired in two days.They should do it at once.It should be done at once.The book can be understood by thirteen-year-old boys.(六)以下情况不用被动语态“it is+ 形容词 + to do” 句型中,这些形容词有nice, easy, hard, difficult,important, impossible,
35、pleasant, interesting等It s hard to say.动词不定式在名词后面作定语,不定式和名词之间有动宾关系时,又和句中主语构成 主谓关系,不定式的主动形式表示被动含义。I have a letter to write.take place/happen 发生What happened to the old city?feel/look/taste/smell/sound,( 系动词 )The sweater feels soft.The dish tastes nice.一些动词如sell, write, wash 等,当它们被用作不及物动词来描述主语特征时,常 用其
36、主动形式表达被动意义,主语通常是物。sell well畅销 write well书写流利wash well清洗容易(七)双宾语的被动语态一)含有复合宾语的主动句变被动句,宾语变主语,宾补保留在动词之后。We call him Jim.He is called Jim.He painted the table green.The table was painted green.We asked the teacher to explain the sentence again.The teacher was asked to explain the sentence again by us.二)
37、make, hear, see, watch, feel, let, have等动词在主动语态的句子变被动语态时,其后作宾补的不定式必须加上toHis mother made him do his homework again.He was made to do his homework again by his mother.She saw a man go into the room.A man was seen to go into the room by her.We often hear her sing English songs.She is often heard to sin
38、g English songs (by us).(八)不及物动词带介词和介词宾语 ,在变为被动语态时,仍然要带上介词,如:They talked about the matter last night.The matter was talked about by them last night.We must think over what he said.What he said must be thought over.His classmates often made fun of him.He was often made fun of by his classmates.The st
39、udents listen to the teacher carefully in class every day.The teacher is listened to carefully (by the students) in class every day.Xiao Ming looked after his sister yesterday.His sister was looked after (by Xiao Ming) yesterday.You should take care of the things.The things should be taken care of.(九)怎样把主动语态改成被动语态 ?把主动语态改为被动语态非常简单,可以遵循以下几个步骤:.先找出谓语动词;.再找出谓语动词后的宾语;.把宾语用作被动语态中的主语;.注意人称、时态和数的变化。【典型例题】Bruce writes a letter every week.Li Lei mended the broken bike this morning.He has written two novels so far.They will plant ten trees tomorrow.Lucy is writing a letter now.You must lock t
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