1、,不知道动作的执行者是谁，或没有必要指出动 作的执行者时。,My bike was stolen last night.昨晚我的自行车被偷了。Letters are collected at eight every morning.信件每天早晨八点收取。,The desk was made by Master Wang.这张课桌是王师傅做的。The bag was taken away by his sister.那个口袋是她姐姐提走的。,2.为了强调或突出动作的承受者时。,Article1_popwin_title,3.为了更好地安排句子。,The well-known person got
2、 on the bus and was immediately recognized by people.（一个主语就够了）那个名人一上车就立刻被大家认出来了。,I have a new skirt.It was given to me as a birthday present by my aunt.我有条新裙子。它是我阿姨送给我作为生日礼物的。,4.在上下文中，为了使句子间连接紧密时。如：,Article1_popwin_head for,How to change the active voice into the passive voice?,将主动结构中的宾语变为被动结构中的主 语，
3、将主动结构中的谓语动词变为“be+过去分词”形式，将主动结构中的主语变为介词by的宾语（若动作的执行者没有必要说明则可以省略该by短语）。,把SVO（主动宾）句型的主动句转换成被动句，原句中的宾语作被动句的主语。,e.g.Li Lei planted the tree last year.The tree was planted by Li Lei last year.Workers made the machines in Changsha.The machines were made in Changsha.,基本方法,2.把SVoO（主动间宾直宾）的主动句转换成被动 句，常用原句中的间接
4、宾语作被动句中的主语。,Article1_popwin_tap,e.g.They gave her a prize.She was given a prize.Xiao Lis brother taught him English.Xiao Li was taught English by his brother.,e.g.He painted the door green yesterday.The door was painted green yesterday.We called the student Clever Hans.The student was called Clever
5、Hans.,3.SVOC（主动宾宾补）句型转换为被 动句时，原句中的宾语补语就成为主语补语。,Article2_popwin_pull over,4.短语动词转换为被动态时，通常被看作是一个动词，后面的介词或副词不能拆开或省略。,e.g.They looked after the children well.The children were well looked after.We has put off the meeting till next week.The meeting has been put off till next week.,e.g.Li Lei told us tha
6、t the teacher praised him today.We were told that Li Lei was praised by the teacher today.,5.复合句的主动语态变被动语态时，复合句中的主句和从句都须同时变为被动语态。,Article2_popwin_radio,英语中用主动表被动的几种特殊情况,2.某些“be+形容词+to do”结构中的不定式通常要用主动形式表示被动意义：,连系动词为不及物动词，它们没有被动语态形式。但有些表示感受、感官的连系动词（如look,sound,smell,feel,taste 等）可用主动表被动：,The building
7、 looks very beautiful.这座建筑看上去很美。Her voice sounded quite sweet.她的声音听起来非常甜美。,The book is difficult to understand.这书很难懂。The music isnt pleasant to listen to.这音乐不好听。,Article3_popwin_flight,3.不定式用于某些动词（如have,have got,get等）的宾语后作定语时，如果不定式的逻辑主语就是句子的主语，通常用主动形式表示被动意义。,I have some clothes to wash.我有一些衣服要洗。Miss
8、 Green has some important letters to send.格林小姐有一些重要的信件要寄。,注：若不定式的逻辑主语不是句子的主语，则应用被 动式，比较：,I have something to type.我有些东西要打（字）。（指自己打字）I have something to be typed.我有些东西要打（字）。（指请人打字）,4.在 tooto do sth 和enough to do sth这两个结构中，若句子主语与其后不定式to do sth为被动关系，则该不定式通常用主动形式表示被动意义（有时也可直接用被动式）。,The tea is too hot to
9、 drink.茶太热，不能喝。These boxes are not strong enough to use to be used as a platform.这些箱子不够牢，不能用作站台。,6.在need,want,require等少数表示“需要”的 动词后的动名词用主动形式表被动意义。,5.be worth后的动名词要用主动表被动。,The house needs cleaning.房子需要打扫了。These children require looking after.这些孩子需要照看。,The house needs to be cleaned.These children requ
10、ire to be looked after.,This movie is worth seeing.这部影片值得一看。The problem is not worth discussing.这个问题不值得讨论。,几种值得注意的被动语态变化,带复合宾语的被动语态结构,（）make sb.do sth.sb.be made to do sth.,Mr Green made Jim do his homework at home.,Jim was made to do his homework by Mr Green at home.,watch let havehear see notice,（
11、2）see sb.doing sth.sb.be seen doing sth.,I saw him playing football at that moment.,He was seen playing football at that moment.,hear/watch/.,We often hear them sing this song.,They are often heard to sing this song（by us）.,This song is often heard（by us）to be sung（by them）.,Bob sent Kate a letter l
12、ast year.,=Kate was sent a letter by Bob last year.,=A letter was sent to Kate by Bob last year.,tell ask bring write give teach pass lend,to,He told Jim a story.,Mum made me a new dress.,I was made a new dress by Mum.A new dress was made for me by Mum.,make buy draw,for,I bought my brother a book.,
13、注意:,约翰打开了收音机。,John turned on the radio.,The radio was turned on.,奶奶照看我姐姐。,Grandma takes care of my sister.,My sister is taken care of by Grandma.,注：千万不要遗漏介词或副词。,We must speak to old people politely.,Old people must be spoken to politely.,They said that he would come back soon.,It was said that he wo
14、uld come back soon.,类似的还有：It is reported/believed/hoped/supposed that.,1）.不及物动词没有被动语态。,如：belong,happen,take place,last,come true,remain,succeed,fall,die,arrive,等。,*Great changes have taken place in this city.,*That bike doesnt belong to Mike.,不用被动语态的几种情况：,不用被动语态的几种情况：,2）表示静态的及物动词不用被动语态,have/fit,I ha
15、ve a TV set.,The coat fits me well.,3）祈使句一般没有被动语态。【正】Look at the blackboard，please【误】The blackboard is looked at by you,不用被动语态的几种情况：,4.系动词没有被动态和进行时态,这鱼味道很好。,这条围巾摸上去很软。,The fish tastes good.,The scarf feels soft.,5.反身代词在句中作宾语时，不能用被动语态。例如：【正】You must look after yourself【误】Yourself must be looked after
16、,4.某些动词形式是主动，但含有被动的意思。,这书很好卖。,这种布很好洗。,The book sells well.,This kind of cloth washes very well.,这书卖完了。,The book is sold out.,这块表需要修理一下。,The watch needs mending.,=The watch needs to be mended.,=We need to mend the watch.,want,Did he finish the work yesterday?,Were the books taken away by the girl?,Di
17、d the girl take away the books?,Was the window broken by Tom?_ Tom_ the window?,Did break,Was the work finished by him yesterday？,Do they often talk about this question?_ this question often _ about _ _?,Is,talked,by them,Doesnt Bob clean the street every day?_ the street _ by Bob every day?,Isnt cl
18、eaned,He told us to get to school early.,Our parents ask us to stay at home at night.,We were told to get to school early by him.,We are asked to stay at home at night.,-Did you go to the party?-No,I _（invite）,wasnt invited,The bridge _ in three weeks.（finish）,You can go out if your homework _（do）,w
19、ill be finished,is done,This is one of the things that _（see）that day.,were seen,When was PRC _（found）?,was seen,This is the only one of the things that _（see）that day.,founded,You should get your shoes _（wash）,washed,Article5_popwin_in the world,1下一届奥运会将于2012年在伦敦举行。2 奶奶告诉他要好好保管这枚戒指。3我现在很忙。我有很多作业要做。
20、4到目前为止，地球人已经几次拜访了月亮。,The next Olympic Games will be held in London in 2012.,He was told by his grandma that the ring should be kept well.,Im busy now.I have lots of homework to do.,So far,the moon has been visited by earthmen several times.,Translate the following sentences into English.,Article5_po
21、pwin_embarrassed1,5你的外套该洗洗了。6我爸爸给我买了一辆新自行车。7 这本书值得一看。8 有人看到他昨天下午在操场上打篮球。,Your coat needs cleaning/to be cleaned.,I was bought a new bicycle by my father.,This book is worth reading.,He was seen playing basketball on the playground yesterday afternoon.,Article5_popwin_embarrassed2,9 你的理由听起来挺合理的。10 有人听到他向他的朋友说再见。,Your reason sounds reasonable.,He was heard to say goodbye to his friend.,
