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1、Unit 9Language Goals:Grammar Focus:1b1babedc18761885192719711976dabec1c1c1c1cWhen was the telephone invented ?I think it was invented in 1876.Julie Thompsonbattery-operated slippersChelsea Lanmonheated ice cream scoopJayce Coziar and Jamie Ellsworthshoes with adjustable heels2a2aListen and number th

2、e inventions inthe order that you hear.3122b2bWho was it / were they invented by ?It was/ They were invented by Chelsea Lanmon.3b3bWhat do you think is the most helpful invention?I think the most helpful invention is the light bulb.Why is that?Well, it gives people more time to workand play every da

3、y.The passive voice. 英語中動(dòng)詞有主動(dòng)語態(tài)和被動(dòng)語態(tài)兩種語態(tài). 主動(dòng)語態(tài)表示主語是動(dòng)作的執(zhí)行者,被動(dòng)語態(tài)表示主語是動(dòng)作的承受者, 在被動(dòng)語態(tài)中動(dòng)作的執(zhí)行者有時(shí)用by短語表示出來.被動(dòng)語態(tài)的被動(dòng)語態(tài)的:助動(dòng)詞be+ (及物動(dòng)詞的) 過去分詞 一般現(xiàn)在時(shí)一般現(xiàn)在時(shí)一般過去時(shí)一般過去時(shí)am (is, are) + donewas (were) + doneThe passive voice.1. 不知?jiǎng)幼鲌?zhí)行者時(shí),常用被動(dòng)語態(tài).eg. My bike was stolen yesterday. This car is made in American.2. 不必要說出動(dòng)作執(zhí)行者時(shí)

4、,常用.eg. Rome was not built in a day.3. 為了突出強(qiáng)調(diào)動(dòng)作的承受者時(shí),常用被動(dòng)語態(tài).eg. Thousands of beaches are polluted (污染).The passive voice.1.把原主動(dòng)句中的賓語轉(zhuǎn)換為被動(dòng)語態(tài)的主語.2.把動(dòng)詞改為被動(dòng)形式,即 “be + 過去分詞” . 注意 be動(dòng)詞要按新的主語的人稱和數(shù)進(jìn)行變化,時(shí)態(tài)要和原來的主動(dòng)語態(tài)的時(shí)態(tài)保持一致.3. 原來主動(dòng)語態(tài)句中的主語,如果需要,就放在by后面以它的賓格形式出現(xiàn). 如果沒有必要就可以省略.其他的成分 (定語,狀語) 不變, 句式也不能變.The passive voice.Bell invented the telephone in 1876. The telephone was invented by Bell in 1876. 主語謂語動(dòng)詞過去時(shí)賓語時(shí)間狀語主語謂語動(dòng)詞的過去分詞賓語時(shí)間狀語The passive voice.Bellinvented the telephone in 1876.wasby