被动语态讲解公开课.pptx
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1、初中被动语态的奥秘 中考必考的重点语法中考必考的重点语法第1页/共41页语态:表示语态:表示主语主语和和谓语动词谓语动词之间的关系。之间的关系。英语有英语有两种语态两种语态,即,即主动语态主动语态和和被动语态被动语态。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。如:Many students study English.(主动语态)English is studied by many students.(被动语态)语态第2页/共41页我每天吃苹果.I eat apples every day.Apples are eaten by me every day.苹果每天被我
2、吃.第3页/共41页他杀鸡He kills chicken.Chicken is killed by him.鸡被他杀了第4页/共41页 Beast catches the princess.怪兽抓了公主 The princess is caught by beast.公主被怪兽抓走了。第5页/共41页人们读名著 People read great booksGreat books are read by people名著被人们读第6页/共41页They plant flowers.他们种花。花被他们种。Flowers are planted by them第7页/共41页 He plays
3、basketball.他打篮球。篮球被他打。Basketball is played by him.第8页/共41页1.把主动语态的宾语变为被动语态的主语。2.把主动语态的谓语变为被动语态的谓语。3.把主动语态的主语变为被动语态的by 短语。(by短语可以省。by短语 后跟代词的宾格。)口诀:主变宾,宾变主,谓语动词变be+done.by the teacher.The teacher often The teacher often asksasks himhim questions.questions.Heis askedquestions第9页/共41页(The Passive Voice
4、)一般现在时被动语态的构成:主语+am/is/are+及物动词的过去分词 动词过去分词的构成规则(与动词过去式构成规则一样):1、一般在动词原形末尾加-ed,looked played2、结尾是e的动词加-d,lived used3、末尾只有一个辅音字母的重读闭音节词,先双写 这个辅音字母,再加-ed,planned tripped4、结尾是“辅音字母+y”的动词,先变“y”为“i”,再 加-ed,study-studied,carry-carried第10页/共41页1、speak spoke spoken 2、use used used3、make made made 4、write wr
5、ote written5、grow grew grown 6、plant planted planted7、produce produced produced 8、ask asked asked9、plan planned planned 10、send sent sent11、build built built 12、invite invited invited不规则动词的过去分词要牢记请写出下列动词的过去式和过去分词:sing-sang-sungbuild-built-built第11页/共41页把下列的句子变为被动语态的句子:1、They speak English in Canada
6、.(English.)2、People use wood for making tables.(wood.)3、The make computers in the USA.(Computers)4、They grow rice in South China.(Rice)English is spoken in Canada.Wood is used for making tables.Computer are made in the USA.Rice is grown in South China.第12页/共41页中考链接1.The Olympic Games every four year
7、s.(17年新课标版,32)A are heldBwere heldCare holding Dwill hold2.Today Chinese _ by more and more people around the world.(17年北京真题,35)A.was spoken B.is spoken C.spoke D.speak第13页/共41页例如:苹果每天被我吃。昨天苹果被我吃了。苹果正在被我吃。昨天九点苹果正在被我吃。明天这个苹果将要被我吃。这个苹果应该被我吃。.被动语态的被动语态的时态:时态:被动语态的被动语态的时态时态是由是由bebe的时态决定的,的时态决定的,bebe是什么时
8、态,全句就是什么时态,是什么时态,全句就是什么时态,bebe动动词后面的过去分词不变。词后面的过去分词不变。第14页/共41页表格:被动态基本结构时态时态被动语态结构被动语态结构一般现在时一般现在时一般过去时一般过去时现在进行时现在进行时过去进行时过去进行时一般将来时一般将来时过去将来时过去将来时现在完成时现在完成时过去完成时过去完成时am/is/are donewas/were doneam/is/are being donewas/were being doneshall/will/be going to be donewould be donehave/has been donehad
9、been done第15页/共41页此外,情态动词也有被动语态:结构为:情态动词+be+done 1.Teenagers 1.Teenagers should be allowedshould be allowed to choose their own clothes.to choose their own clothes.2.A lot of people in China can speak English now.2.A lot of people in China can speak English now.(同上)(同上)English _ _ _ by a lot of peop
10、le in China now.English _ _ _ by a lot of people in China now.can be spokencan be spoken第16页/共41页1.They bought ten computers last term by them last term.2.一般过去时的被动语态结构:was/were+过去分词last year.2.2.WeWe plantedplanted many trees many trees last year.last year.Many treeswere plantedTen computerswere bou
11、ght第17页/共41页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 little brother was taken good care of by him yesterday.Our classroom was cleaned by
12、 us just now.This room was used for resting by them.第18页/共41页3.一般将来时的被动语态结构:will be+过去分词1.They will finish the work in ten days.by them in ten days.The workwill be finished2.Tom will clean the room tomorrow.The room will be cleanedby Tom tomorrow.第19页/共41页We will have a sports meeting next week.Chil
13、dren 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 will be given by the headmaster this afternoon.第20页/共41页4.含有情态动词的被动语态结构:can/may/must/s
14、hould+be+过去分词1.Amy can take good care of Gina by Amy.Ginacan be taken good care of2.You 2.You should drinkshould drink more water.more water.More waterMore water should be drunkshould be drunkby you.by you.第21页/共41页5.5.现在进行时的被动语态的结构现在进行时的被动语态的结构is/am/are+being 过去分词1.Some workers are painting the roo
15、ms nowby some workers now.The rooms are being painted2.He 2.He is watchingis watching TV.TV.TVTVis being watchedis being watched by him.by him.第22页/共41页6.6.现在完成时的被动语态的结构现在完成时的被动语态的结构have/has been 过去分词1.We have made twenty more keysby us.Twenty more keyshave been made2.We 2.We have finishedhave finis
16、hed our compositionsour compositions.Our compositionsOur compositionshave been finishedhave been finishedby us.by us.第23页/共41页填空(完成被动语态填空)填空(完成被动语态填空)1.They often clean their classroom after school.1.They often clean their classroom after school.(改为被动语态)(改为被动语态)Their classroom _ often _ by them afte
17、r school.Their classroom _ often _ by them after school.2.Li Lei gave Tom a new pen last week.2.Li Lei gave Tom a new pen last week.(同上)(同上)A new pen _ _ _ Tom last week.A new pen _ _ _ Tom last week.is iscleanedcleanedwas given bywas given byPracticePractice第24页/共41页3.A lot of people in China can s
18、peak English now.3.A lot of people in China can speak English now.(同上)(同上)English _ _ _ by a lot of people in China now.English _ _ _ by a lot of people in China now.4.I have learned English for about two years.4.I have learned English for about two years.(同上)(同上)English _ _ _ for about two years.En
19、glish _ _ _ for about two years.5.They will publish these story-books next month.5.They will publish these story-books next month.(同上)(同上)These story-books _ _ _ next month.These story-books _ _ _ next month.can be spokencan be spokenhas been learnedhas been learnedwill be publishedwill be published
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