【语法焦点与同步作文指导】新目标九年级英语Unit6Whenwasitinvented（共12张PPT）.ppt

1、1.一般过去时的被动语态结构式： （1）肯定句：主语+ was /were+ 动词的过去分词 +(by+人称代词宾格)+ 其他 eg：English was studied (by us)every day. （2）否定句：主语+ was /were+ not + 动词的过去分词 +(by+人称代词宾格)+ 其他 eg：English was not studied (by us)every day.,语法焦点,一般过去时态的被动语态,2.一般过去时的被动语态结构式： （3）疑问句：Be(Was/Were)+主语+动词的过去分词+（by+人称代词宾格）+其他+？ eg：Was English

2、not studied (by us)every day? （4）特殊疑问句：What/Where/ When +was /were +主语+动词的过去分词+ 其他?,语法焦点,一般过去时态的被动语态,2.被动语态需要注意的几个方面: (1)在主动句中,使役动词make，let，have,感官动词 see，hear，feel，watch，notice等后接省略to的动词不定式作宾语补足语，在变成被动语态时,后面的不定式需加上“to”。 eg: My mother makes me get up early every day. = I am made to get up early every

3、 day by my mother. (2)有些词,如系动词taste, feel, look, sound等常用主动语态表达被动的意思。eg: The voice sounds nice.,语法焦点,一般过去时态的被动语态,2.被动语态需要注意的几个方面: (3)主动语态的句中若有双宾语,变被动语态时，可将间接宾语(人）变为被动句的主语,而把直接宾语（物）留作被动句的宾语；或把主动句的直接宾语变为被动句的主语。此时间接宾语前常用介词for或to等来连接。 eg: He bought me a book. =I was bought a book by him. =A book was bou

4、ght for me by him.,语法焦点,一般过去时态的被动语态,2.被动语态需要注意的几个方面: (4)有些动词，如happen, belong等没有被动语态。 eg: The bike belongs to me.这辆自行车属于我。,语法焦点,一般过去时态的被动语态,1.When_the bridge _？ Last year. A.did; build B.was；build C.was; built D.did; built 2.(北京中考)Flowers_along the road last year. A.plant B.planted C.are planted D.we

5、re planted 3.(内江中考)Many buildings in Lushan_in the earthquake on April 20th. A.have destroyed B.are destroyed C.were destroyed D.are destroying,一、单项选择,C,强化训练,D,4.The girl was heardin the next room every afternoon. A.to sing B.sing C.singing D.sang 5.(临沂中考)Do you know Earth Day? Sure. Itin 1970 to te

6、ll us to protect our planet. A.sets up B.set up C.is set up D.was set up,一、单项选择,强化训练,写作指导,本单元写作是介绍一个新的发明，写作时要注意介绍发明的名称，外观，性能等。 常用句型归纳如下：,1.It was invented by; 2.It has; 3.It is used for; 4.Would you like to have a try?If you want to buy，please,写作示例,假设你是麦克，你发明了一个会讲话的垃圾箱。请你写一篇英语短文向同学们介绍你的垃圾箱，并向你的同学们推销

7、。不少于80词。,经典示范,Boys and girls, May I have your attention, please! Today I will introduce you my new invention. Its a special box which is used for holding waste. It can speak different languages. As soon as people throw away wastes on the street, they will be cleaned up by the box at once. At the same time，the box will tell people not to do that again. Of course, my box wont cost too much .In this way, more cleaners and money can be saved. What do yo