初中被动语态课件 (2).ppt

初三英语初三英语The flowersWhat does she do every day?every day.are watered by herShe waters the flowers every day.主谓宾后面能接宾语的动词才有被动语后面能接宾语的动词才有被动语态态主动变被动的方法:Shewaterstheflowerseveryday.主谓宾Theflowersarewateredbyhereveryday.总结:主动语态被动语态宾语谓语主语其他抄下来主语主语be+P.Pby+宾语宾语be+P.P.被动语态的基本结构被动语态的基本结构:有各种时态的变化有各种时态的变化考点一考点一:1.Now English _ by more and more people all over the word.A.speaks B.is spoken C.was spoken一般现在时的被动语态：一般现在时的被动语态：am/is/are+P.P.task（一）（一）1.We like Miss Lin Very much.Miss Lin _ _ by us very much.2.Many young people love Jay Chou songs.Jay Chous songs _ _ by many young people.islikedareloved时态时态:结构：结构：am/is/are+done一般现在时一般现在时把下列句子改为被动语态：把下列句子改为被动语态：2.The lost boy _ at the street corner last night.A.was found B.is found C.was looked for一般过去时的被动语态：一般过去时的被动语态：was/were+PPtask（二）（二）1.The man repaired the car yesterday.The car _ _ by the man yesterday.2.Mr Song encouraged us to study hard last week.We _ _ to study hard by Miss Peng last week.wasrepairedwereencouraged时态时态:结构：结构：was/were+done一般过去时一般过去时把下列句子改为被动语态：把下列句子改为被动语态：3.Many houses _ in the future.A.will build B.will be built C.are built 一般将来时的被动语态：一般将来时的被动语态：will+be+PPbe going to+be+PPtask(三三)1.The city will build the new airport next year.The new airport _ _ _ next year.2.Huidong Middle School is going to send two students to Hongkong to study.Two students_ _ _ _ _ to Hongkong to study.willbe are be 时态时态:结构：结构：will/be going to+be+done一般将来时一般将来时builtgoing tosent4.Three bridges _ since last year.A.have built B.were built C.have been built现在完成时的被动语态：现在完成时的被动语态：have/has+been+PPtask(四四)1.Li Ming has already watered some flowers.Some flowers _ _ _by Li Ming already.2.They have sold out the light green dress.The light green dress _ _ _ out.havebeen has 时态时态:结构：结构：Have/has+been+done现在完成时现在完成时wateredbeensold5.Flowers _ every day.A.has been watered B.should be watered C.should water含有情态动词的被动语态：含有情态动词的被动语态：情态动词情态动词+be+PP含有情态动词的被动语态：含有情态动词的被动语态：情态动词情态动词+be+done1.You mustnt clean the room today.2.The room_ _ _ by you today.2.We should finish our homework on time.Our homework_ _ _ by us on time.（四）（四）mustnt should 结构：结构：be cleanedbefinishedPart3练习:用be动词的正确形式填空.1.Aknife_usedtocutapples.2.2.Theair_pollutedalready.3.3.Therooms_cleanedlater.4.4.Thestudents_askedtohavebreakfast.5.5.They_encouragedtostudyhardinthepast.6.6.NotonlyhebutalsoI_punishedlastnight.ishasbeenwillbearewerewas一般现在时：一般现在时：一般过去时：一般过去时：一般将来时：一般将来时：情态动词情态动词:am/is/are+done 情态动词情态动词+be+done will +be+done was/were +done以下时态的被动语态构成以下时态的被动语态构成Summary现在完成时：现在完成时：has/have+been+doneTask4Homework1.Review passive voice2.Do exercises on the paper考点二考点二:被动语态中的特殊情况被动语态中的特殊情况:6.Good medicine _ bitter to the mouth.A.tastes B.is tasted C.taste This pen _ well.A.is sold B.sell C.sells感官使役动词用法顺口溜感使动词真奇怪，to在句中像妖怪。主动句里走开，被动句里to回来。let动词要除外，to词可来可不来。.思考思考3:选择选择1.The pen _well.A.is written B.writes 2.The music _ nice.A.sounds B.is soundedBA有些动词的主动形式表示被动含义有些动词的主动形式表示被动含义注意问题注意问题3：1.read,sell,last,wash,write等带状语（well,easily)时。如:Her book sells well.2.感官动词感官动词feel,look,smell,sound,taste等等与形容词连用时与形容词连用时,构成系表结构。构成系表结构。如：如：The cake tastes delicious.7.Many people _ during the earthquake in May,2008.A.were died B.dead C.diedhappen,last,die等动词不使用等动词不使用被动被动.1.It will happen in 50 years.()2.It will be happened in 50 years.()注意问题注意问题2：不及物动词没有被动语态，如：不及物动词没有被动语态，如：happen,take place,begin,become dissappear,come out.思考思考2:判断下列句子的正误判断下列句子的正误挑战x8.The man _ clean the toilet because he _ rubbish when the police walked past the park.A.was made;was seen to throw B.was made to;was seen throwing C.made;sawsee/hear sb.do sthbe seen/heard to do sthsee/hear sb.doing sth.be seen/heard doing sth.make sb.do sth.be made to do sth.主动主动:被动被动:主动主动:被动被动:主动主动:被动被动:思考思考4:把主动语态变为被动语态把主动语态变为被动语态I saw him fall off the tree.He _ _ _ fall off the tree.was seen to注意问题注意问题4：一些动词如（如：一些动词如（如：make,see,hear,watch 等），后接宾语补足语为不带等），后接宾语补足语为不带“to”不定式时，不定式时，变被动语态时要加上变被动语态时要加上“to”。挑战一感指的是feel（感觉）二听指的是listento（听）、hear（听见）三让指的是let、make、have四看是指watch、see、look、notice、observe半帮助是指help。9.Children should _.A.take good care of B.be taken good care C.be taken good care of固定短语的被动不要丢掉后面的固定短语的被动不要丢掉后面的介词或副词介词或副词10.Your desk _.A.needs repair B.needs repairing C.needs to repairneed,allow 可以用可以用-ing形式表示形式表示被动被动need to be done =need doingbe allowed to do=allow doing练习：练习：将下列句子变为被动句。将下列句子变为被动句。1.LiLeilistenstohisfathercarefully.2.Themotherlookedafterthebabyintheroom.3.Wetookcareofthethings.4.Theygaveussomework.5.Theboymadethemlaughallthetime.6.Mymotherbuysmeabike.His father is listened to carefully by Li Lei.The baby was looked after in the room.The things were taken care of by us.We were given some work.Some work was given to us by them.They were made to laugh all the time.A bike is bought for me.1.树要在春天种树要在春天种;2.树坑要挖得够大树坑要挖得够大,但不要太深但不要太深;3.把树放进坑里把树放进坑里,扶直扶直;4.把泥推回坑里把泥推回坑里,用脚踩实用脚踩实;5.在旁边插一根坚实的长棍子在旁边插一根坚实的长棍子,并且保证棍并且保证棍子插直了子插直了;6.用绳子用绳子（rope）把棍子和树绑起来把棍子和树绑起来7.浇好水浇好水.根据提示写一篇以根据提示写一篇以How to Plant a Tree?为题目的短文，要求内容齐全，上为题目的短文，要求内容齐全，上下文连贯。尽量使用下文连贯。尽量使用被动语态被动语态，80词左右。词左右。1.树要在春天树要在春天种种;2.树坑要树坑要挖挖得得够大够大,但不要但不要太深太深;3.把把树树放进放进坑里坑里,扶直扶直;4.把把泥泥推回推回坑里坑里,用用脚脚踩实踩实;5.在旁边在旁边插插一根坚一根坚实的长棍子实的长棍子,并且并且保证保证棍子插棍子插直直了了;6.用用绳子（绳子（rope）把把棍子棍子和和树树绑起来绑起来7.浇好水浇好水.be plantedbe dugbig enoughtoo deepput intobe kept straightpush back topush hard with knock into be kept straightbe tied to withbe watered well Trees must be planted in Spring.The hole must be dug large enough but not too deep.Put the tree into the hole and it must be kept straight.Push the earth back to the hole and it must be pushed hard with your feet.Knock a long and strong stick into the earth beside the tree and it must be kept straight.Trees can be tied to the stick with a rope.And they must be watered well.