1、主动语态：表示主语是动作的执行者。主动语态：表示主语是动作的执行者。被动语态：表示主语是动作的承受者。被动语态：表示主语是动作的承受者。如：如：Many students study English.(主动语态主动语态)English is studied by many students.(被动语态被动语态)助动词助动词be有人称、数的变化有人称、数的变化,其变化规其变化规则与则与be作为连系动词时一样。作为连系动词时一样。如：如：The desk is made of wood.The desks are made of wood.He is asked a question by the
2、 teacher.被动语态的结构被动语态的结构助动词助动词be+及物动词及物动词的过去分词的过去分词1.1.一般现在时的被动语态结构：一般现在时的被动语态结构：by many students.1.Many students study English.English is studied2.They make shoes in that factory.Shoes are madeby themin that factory.by the teacher.Heis asked questions1.找宾语找宾语-即动作的承受者即动作的承受者They make shoes in that fa
3、ctory.Shoes2.判断宾语的单复数判断宾语的单复数-即即be动词的单复数动词的单复数.are made3.判断动词的时态判断动词的时态-即即be动词的时态动词的时态.4.修改谓语的形式修改谓语的形式-即原句动词改为过去分词即原句动词改为过去分词 5.修改原句的主语修改原句的主语-即即by+宾语（原主语）宾语（原主语）.by them.主变被解题步骤主变被解题步骤主变宾主变宾,宾变主宾变主,谓动谓动be done be done 时不变时不变,人称、数、格随着变人称、数、格随着变 They play football on Sunday.Lucy does the homework in
4、 the evening.They often use computers in class.We make these machines in Beijing.Football is played by them on Sunday.The homework is done by Lucy in the evening.Computers are often used by them in class.These machines are made in Beijing.by many students.English is studiedby many students.English i
5、s not studiedIs English studied by many students?Who is English studied by?The homework is done by Lucy in the evening.Computers are often used by them in class.These machines are made in Beijing.Football is played by them on Sunday.1.They bought ten computers last term by them last term.2.2.一般过去时的被
6、动语态结构：一般过去时的被动语态结构：was/were+过去分词过去分词last year.Many trees were plantedTen computerswere bought They built the tall building last year.He took good care of his little brother yesterday.We cleaned our classroom just now.They used this room for resting.The tall building was built by them last year.His l
7、ittle brother was taken good care of by him yesterday.Our classroom was cleaned by us just now.This room was used for resting by them.3.3.一般将来时的被动语态结构：一般将来时的被动语态结构：will be+过去分词过去分词1.They will finish the work in ten days.by them in ten days.The work will be finished2.Tom will clean the room tomorrow.
8、The room will be cleaned by Tom tomorrow.We will have a sports meeting next week.Children will take some photos in the schoolyard tomorrow.The headmaster will give a talk this afternoon.A sports meeting will be had by us next week.Some photos will be taken by children in the school tomorrow.A talk w
9、ill be given by the headmaster this afternoon.4.4.含有情态动词的被动语态结构：含有情态动词的被动语态结构：can/may/must/should+be+过去分词过去分词1.Amy can take good care of Gina by Amy.Ginacan be taken good care of1.He can take care of the baby.2.Lucy may draw the pictures.3.You must turn off the lights.4.They should learn English wel
10、l.The baby can be taken care of by him.The picture may be drawn by Lucy.The lights must be turned off by you.English should be learned well by them.1.Some workers are painting the rooms nowby some workers now.The rooms are being painted1.We have made twenty more keysby us.Twenty more keys have been
11、made表格：被动态基本结构am/is/are donewas/were doneam/is/are being donewas/were being doneshall/will/be going to be donewould be donehave/has been donehad been done 把下列句子变成被动语态把下列句子变成被动语态:1)A car knocked him down yesterday.2）Two doctors and ten nurses make up the medical team3）When I got there,they were cutti
12、ng up a fallen treeA fallen tree was being cut up,when I got there.He was knocked down by a car yesterdayThe medical team is made up of by two4)Well put on the play next Sunday5)Workers are building a new teaching building in our school6)They had completed the railway by the end of last yearThe play
13、 will be put on next SundayA new teaching building is being built by workers in our schoolThe railway had been completed by the end of last year6.Another man-made satellite was sent up into space by them last week(济南市中考题）济南市中考题）another man-made satellite into space last week.变主动语态变主动语态7.People there
14、 planted many trees last year.Trees _ _ by people there last year.(青岛市中考题）青岛市中考题）8.They grow vegetables on the farm.The vegetables _ _on the farm（上（上海市中考题）海市中考题）They sent upwere planted are grown 1.Our school _in 2002.(开办)2.The young trees must_ _ _ well.(照顾)3._ this building_(建成)last year?4.The book _ _(写)by him last year.5.The bridge _ _(不建造)in1989.6.The 29th Olympic Games will_ _ (举行)in UK in 2012.was openedbe looked afterWas built was writtenwasnt builtbe held
