人教版九年级英语被动语态.ppt

1、被动语态(the passive voice),Be+及物动词的过去分词,.主动语态与被动语态：英语动词有两种语态,即主动语态(The Active Voice)与被动语态（The Passive Voice)。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。,主动语态,被动语态,主动语态,被动语态,e.g Many people speak English.,主动语态变被动语态的步骤：1、主动语态的宾语变为被动语态的主语；2、主动句的谓语动词变为被动结构；3、主动句的主语变为被动句的宾语，由by 引出，当不强调动作的执行者时，常省略。4.其它成分不变。,变被动语态时需要注意的

2、事项,一变二套三注意,宾变主，主变宾，宾语前面by跟，谓语动词变过分，不忘前面be动词跟,套时态，主被动时态一致,注意因人称的变化而引起的主谓一致问题。,各种时态的被动语态的构成：,1.一般现在时态 am,is,are+过去分词 2.一般过去时态 was,were+过去分词 3.一般将来时态 will/am.is.are going to+be+过去分词4.过去将来时态 would/was.were going to+be+过去分词 5.现在完成时态 have,has+been+过去分词 6.过去完成时态 had+been+过去分词 7.现在进行时态 am,is,are+being+过去分词

3、8.过去进行时态 was,were+being+过去分词 9.含情态动词的 情态动词+be+过去分词,所有时态的被动语态否定就是在 最前面的助动词后加 not疑问就是把最前面的助动词提前。,Many trees are not being planted now,Are many trees being planted now?,把下列的句子变为被动语态的句子：1、They speak English in Canada.2、People used wood for making tables.3、They are making computers in the USA.,English is

4、 spoken in Canada(by them).,Wood was used for making tables.,Computers are being made in the USA.,把被动句变否定,Computers arent being made in the USA.,4、They have grown rice in South China.5.We must plant more trees next year.6.I am going to clean our classroom tomorrow.,More trees must be planted next ye

5、ar.,Our classroom is going to be cleaned tomorrow.,Rice has been grown in South China.,把被动句变疑问.,Has rice been grown in South China？,变被动语态的特殊情况,一、双宾语,buy/make sb sth,=buy/make sth for sb,give sb sth,=give sth to sb,1.My father bought me a computer.,A computer was bought for me by my father.,I was bou

6、ght a computer by my father.,2.He gives me a book.,A book is given to me by him.,I am given a book by him,Sth+be+过去分词+for/to sb+by sb.,Sb+be+过去分词 sth+by sb,二、无to不定式,一感 二听三让 四看,feel,listen to.hear,let.have.make,watch.see.look at.notice,变为被动时加上to,eg.We often see him play basketball.,He is often seen t

7、o play basketball by us.,The boss made the children work for long.,The children were made to work for long by the boss.,三、注意动词短语的,常考到的动词短语有,完整性,take care of,look after,listen to,speak to,eg.1.We should speak to the old politely.,The old should be spoken to politely.,2.The nurse takes good care of th

8、e baby.,The baby is taken good care of by the nurse.,四、无被动语态的动词。,不及物动词及系动词,happen,take place,die,rise,come true,come out,eg.1.An accident(happen)just now.,happened,2.Im sure that my dream.(come true)some day in the future,will come true,常用的被动语态短语,be made of from intobe used to do for doing as,由-制成的,

9、看出原材料,看不出原材料,原材料制成成品,be filled withbe covered with,eg.1.Paper is made wood.,from,2.Tables are made wood.,3.Wood is made paper and tables.,of,into,被用来-,被用作,用-充满,被-覆盖,用“invented”或“used for”填空.1.What are electric slippers _?2.Who were shoes with adjustable heels _ by?3.When was tea _?4.What are microwa

10、ve ovens _?5.When were potato chips _?,EXERCISES,used for,invented,used for,invented,invented,A:Look!This looks so interesting!B:Ah,its a great invention of China.A:Really?When _ it _?B:I think it _ _ in Han Dynasty.(汉朝)A:What _ it _ for?B:Guess!A:_ it _ for holding water?B:No.It _ _ for testing earthquakes.A:Wow,its really amazing!,was,invented,was,invented,is,used,Is,used,is,used,