九年级英语Whenwasitinvented1

1、发明使人类由黑暗走向光明。light bulbinventionEdisoninventorEdison invented the light bulb.The light bulb was invented by Edison.Bell invented the telephone._ was invented by _.The telephoneBellKarl Benz invented the car._ was invented by _.The carKarl BenzIt was invented in 1879Who was it invented by ?It was inv

2、ented by Edison.Edisonlight bulbWhen was it invented?Lets look and talkcarWhen was it invented?It was invented in 1885Who was it invented by ?It was invented by Karl.Benz.Karl.Benz.1876Bellpairwork1927Beld1976Fen.Noyma1971Kelif1876188519271971197618761885192719711976 When was the car invented? It wa

3、s invented in 1885.RevisionCarl BenzBellRevision EdisonPairwork (1c:P68)1976188518761927Guessing: What is it?Guessing: What is it?Microwave ovenIt is used for cooking and heating food(加热加热)What is it used for?It is used for counting.calculatorWhat are they used for?They are used for giving light.lig

4、ht bulbsA: What is the _ used for?B: I think it is used for _.talking with people (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

5、to 用作谓语，意为习惯于，可用于各种时态。这里to是介词。 *He 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

6、 stolen yesterday. This car is made 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

7、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.Bellinvented the telephone in 1876.wasby用所给动词的正确形式填空：用所给动词的正确形式填空： 1) The bike _(fix) up by Xiao Ming

8、 yesterday. 2) Sunglasses _ (use) for protecting peoples eyes. 3) A picture _(put) up on the blackboard. 4) French_ (speak) in France. 5) Teenagers should _(allow) to choose their own clothes.was fixedare usedis putis spokenbe allowed就下列句子的画线部分提问：就下列句子的画线部分提问：1.Q:_ A: The stove was invented in 1896.2.Q: _ A: The Wright brothers invented the plane.3.Q: _ A: The washing machine is used for washing clothes.When was the stove invented ?Who invented the plane ? What is the washing machine used for ?就下列句子的画线部分提问：就下列句子的画线部分提问：4.Q: _ A: The helicopter was inven