The Passive Voice,被动语态,构成,助动词 be + 及物动词的过去分词,be + vt. p. p.,Many people,English,speak,English.,is spoken,by many people.,主动语态和被动语态的转化 口诀： 宾变主，主变宾，谓语动词用被动。,小窍门： 我们可以这样看被动语态的基本构成： be + 及物动词的过去分词 表示时态 表示被动 要变化 不变化,A recorder,a recorder use in,is used in,our,English class every day.,play,often,Football,A camera,use for ,is often played,all over the world.,is used,for,taking photos.,rob yesterday,A man-made satellite,A bank,send up last year,was robbed,yesterday.,was sent up,space last year.,into,must plant,The tree,The ground,be covered with,must be,planted,on the,ground.,will be,covered with,in a few years time.,trees,send to,right now,They,A talk,a talk give soon,will be sent to,the hospital right now.,will be given,soon.,dig,The earth,The food,eat up,is being,dug,now.,has been,eaten up,already.,Conlusion,( 1 ),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 earth is being dug now.,The food has been eaten up already.,Look and find out the similarities (相同点):,常见的六种时态的被动结构如下：,be(am/is/are)+动词的过去分词,The flowers are watered every day. 每天都要给花浇水。,be(was/were)+动词的过去分词,The flying disk was invented by college students. 这种飞碟游戏是大学生们发明的。,一般 现在时,一般 过去时,一般 将来时,现在 进行时,will/shall+be+动词的过去分词,The bridge will be finished in a month. 这座桥将在一个月内竣工。,be(am/is/are)+ being+动词过去分词,The proposal is being considered now.这个提案现在正在被考虑。,过去 进行时,be(was/were)+being+动词过去分词,Mr. Wu was in hospital. When we went to see him, he was being operated on.吴先生住院了。我们去看他时,他正在做手术。,现在 完成时,has/have+been+动词过去分词,The new railway has already been built.新铁路已经建成了。,情态动词：must /can /could /may + be + vt.p.p.,被动语态的构成：be +vt.p.p.,被动语态：,当我们不知道谁是动作的执行者，或者没有必要指出谁是动作的执行者时，或者只需强调动作的承受者时，要用被动语态。,何时使用被动语态？,主语是动作的承受者 。,Practise makes perfect,熟能生巧,Chinese,I,A new bike,is spoken,by many,was bought,a new bike,was bought,yesterday.,for me,Turn them into the passive voice.,Many people speak Chinese.,people.,He bought me a new bike yesterday.,yesterday.,The boss made him do the heavy work in the old days.,heavy work in the old days.,to do,was made,He,the,Tom must hand in the composition after class.,The composition must be handed in after class.,The rain stopped.,The soup tastes delicious.,stop , taste 在句中是不及物动词，后面不能直接带宾语，因此不能变为被动语态。,Conlusion,( 2 ),主动语态如何改成被动语态？,1. 主动语态的宾语改成被动语态的主语.,2. 主动语态的谓语动词改成被动语态的谓语动词。do,3. 注意保持时态和人称的一致。,4. 带双宾的谓语动词有两种改法。当把直接宾语改成主语时，谓语动词后必须加适当的介词: to, for.,be done,pass, show, send,此类动词有：,5. 一些动词不定式在主动语态中省略to作宾语补足语，改成被动语态时，to必须还原。,注: 1. 不及物动词（vi.)不用被动语态。,buy,be bought for,如：give,be given to,此类动词还有：,draw，make, cook, mend,e.g. happen, appear, disappear,e.g. A traffic accident _(happen) just now.,happened,2. 连系动词（Link.v.)不用被动语态。 如：be, look, seem, feel, sound, smell, taste, get, turn, become,e.g. Peking Opera _ (sound) beautiful.,sounds,3. 当此动词表示事物的自然属性的时候，不用被动语态 。,e.g. The pen _(write) very fast.,writes,This kind of sweater _(sell) well.,sells,必背！,动词短语的被动语态,take care of be taken care of,cut down be cut down,laugh at be laughed at,look after be looked after,被动语态的动词短语,以下这些短语本身即是被动语态的形式，不需再加 “by” .,be covered with 用.覆盖,be interested in 对.感兴趣,be surprised at 对.感到惊奇,be made of / from 用制成的,be known to 出名,( )1.(2013年铜仁，27)Our classroom is so clean. It _ every day. Ais cleaned Bwas cleaned Ccleans Dcleaned ( )2.(2013年三亚，26)Many comic books _ into cartoons in the past 40 years. Amake Bare made Chave make Dhave been made ( )3.(2013年咸宁，30)From May 6, pedestrians (行人) _ 10 yuan if they run red lights, according to Beijing traffic authorities. Awill fine Bwere fined Care fine Dwill be fined ( )4.(2013年连云港，9)Clark, your room is really in a mess.It needs _. Sorry, mum.Ill do it at once. Aclean Bcleaned Cto clean Dto be cleaned,( )5.(2013年襄阳，39)Dont you see the sign “No Parking！” on the right? Sorry, I didnt.But now I know parking _ here. Awasnt allowed Bisnt allowed Cwont allow Ddoesnt allow ( )6.(2013年金华，28)Each year quite a lot of food _ around the world.Its really time for us to do something. Awas wasted Bis wasted Cwasted Dwill be wasted ( )7.(2013年无锡，9)Dont throw away the waste paper.It needs _ so that it can be reused. Ato destroy Bdestroying Cto collect Dcollecting ( )8.(2013年梅州，43)The child without parents _ good care of by his teachers in this special school. Ais taken Bare taken Ctake Dtakes ( )9.(2014年广州，19)He is very surprised that all the houses in the village _ white. Apaint Bpainted Care painting Dare painted ( )10.(2014年北京，31)A new hospital _ in my town next year. Abuilds Bbuilt Cis built Dwill be built,Writing:,看图，写一篇以How to Plant a Tree?为题目的短文，要求内容齐全，上下文连