九年级英语Whenwasitinvented课件.ppt

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1、Unit 9 公车中学公车中学黄春梅黄春梅Period 1calculatorWhats this in English？Whats this in English？TV Whats this in English?telephoneWhats this in English?carWhats this in English?computerLanguage Goals:Grammar Focus:1b: listen and match the inventions and the dates._ 1876_ 1885_ 1927_ 1971_ 1976daecbThe telephone

2、was invented in 1876.The car was invented in 1885.When was invented ?Sample 3: B:1c1cWhen was the telephone invented ?I think it was invented in 1876.battery-operated slippersheated ice cream scoopshoes with adjustable heels电池供电电池供电的拖鞋的拖鞋加热的加热的冰激凌勺冰激凌勺可调节可调节后跟的鞋后跟的鞋2b: listen again and match the ite

3、ms in columns A,B and C.changing the style of a shoeJulie Thompsonheated ice cream scoopseeing in the darkJayce Coziar and Jamie Ellsworthbattery-operated slippersscooping really cold ice creamChelsea Lanmonshoes with adjustable heelsWhat is it used for?Who was it invented by?invention3122a: listen

4、and number the inventions in the order that you hear them.2c2cWho was it / were they invented by ?It was/ They were invented by Chelsea Lanmon.What are they used for?They are used for seeing in the dark.What are they used for?They are used for scooping really cold ice cream.What are they used for?Th

5、ey are used for changing the style of the shoes. (1)be used for (doing) sth.被用来做 for表用途。 Stones can be used for building houses. (2)be used as sth.被作为用 This book can be used as a text book. (3)be used by sb被某人使用 English is used by people in manycountries. （4）be used to 用作谓语，意为习惯于，可用于各种时态。这里to是介词。 *H

6、e is used to the cold weather. The passive voice. 英语中动词有主动语态和被动语态两种语态. 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, 在被动语态中动作的执行者有时用by短语表示出来.被动语态的被动语态的:助动词be+ (及物动词的) 过去分词 一般现在时一般现在时一般过去时一般过去时am (is, are) + donewas (were) + doneThe passive voice.1. 不知动作执行者时,常用被动语态.eg. My bike was stolen yesterday. This car is ma

7、de in American.2. 不必要说出动作执行者时,常用.eg. Rome was not built in a day.3. 为了突出强调动作的承受者时,常用被动语态.eg. Thousands of beaches are polluted (污染).The passive voice.1.把原主动句中的宾语转换为被动语态的主语.2.把动词改为被动形式,即 “be + 过去分词” . 注意 be动词要按新的主语的人称和数进行变化,时态要和原来的主动语态的时态保持一致.3. 原来主动语态句中的主语,如果需要,就放在by后面以它的宾格形式出现. 如果没有必要就可以省略.其他的成分 (定

8、语,状语) 不变, 句式也不能变.The passive voice.Bell invented the telephone in 1876. The telephone was invented by Bell in 1876. 主语谓语动词过去时宾语时间状语主语谓语动词的过去分词宾语时间状语The passive voice.1.把原主动句中的宾语转换为被动语态的主语.2.把动词改为被动形式,即 “be + 过去分词” . 注意 be动词要按新的主语的人称和数进行变化,时态要和原来的主动语态的时态保持一致.3. 原来主动语态句中的主语,如果需要,就放在by后面以它的宾格形式出现. 如果没有

9、必要就可以省略.其他的成分 (定语,状语) 不变, 句式也不能变.1. The woman asked the policeman for help.2. The old man on TV tells a story on Sunday.3. Do they use the box as a table?4. She sent me a collection last week.5. The teacher doesnt teach us math this term.练习：请把下列主动句变为被动句练习：请把下列主动句变为被动句6. Did Lily buy her sister a hat

10、?7. We often hear him play the violin at home.8. The lazy boy didnt wash clothes yesterday.9. Students listen to the kind teacher carefully.10.When did your father take you to the park ? 有两种被动语态的一些动词:buy 买 give 给 pay支付 teach 教授 tell 告诉 show 展示 lend 借出通常用直接宾语作被动语态的主语一些动词:bring拿来 do做 make 制作 pass传递 se

11、ll 卖 send 送、寄 sing 唱 write写A bike was lent to me ( by him). I was lent a bike (by him).A letter was written to her (by her son). 合习惯She was written a letter ( by her son) 不合习惯注意：在主动句中see ，watch ，hear，make 等后+宾语+动词原形的结构变为被 动句时一律在see ，watch ，hear， make等后加上to。练习1 We hear birds sing every morning.Birds

12、are heard to sing by us every morning. 2 His father made him stay at home.He was made to stay at home by his father. 由 不及物动词+介词或副词构成的被动语态She looks after her grandmother. (主动句 )Her grandmother is looked after by her.(被动句 )My friends laughed at me all the time. (主动句 )I was laughed at by my friends all the time. (被动句 )注 :介词不能省略 =及物动词