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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. 英語中動詞有主動語態(tài)和被動語態(tài)兩種語態(tài). 主動語態(tài)表示主語是動作的執(zhí)行者,被動語態(tài)表示主語是動作的承受者, 在被動語態(tài)中動作的執(zhí)行者有時用by短語表示出來.被動語態(tài)的被動語態(tài)的:助動詞be+ (及物動詞的) 過去分詞 一般現(xiàn)在時一般現(xiàn)在時一般過去時一般過去時am (is, are) + donewas (were) + doneThe passive voice.1. 不知動作執(zhí)行者時,常用被動語態(tài).eg. My bike was stolen yesterday. This car is made in American.2. 不必要說出動作執(zhí)行者時

4、,常用.eg. Rome was not built in a day.3. 為了突出強(qiáng)調(diào)動作的承受者時,常用被動語態(tài).eg. Thousands of beaches are polluted (污染).The passive voice.1.把原主動句中的賓語轉(zhuǎn)換為被動語態(tài)的主語.2.把動詞改為被動形式,即 “be + 過去分詞” . 注意 be動詞要按新的主語的人稱和數(shù)進(jìn)行變化,時態(tài)要和原來的主動語態(tài)的時態(tài)保持一致.3. 原來主動語態(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. 主語謂語動詞過去時賓語時間狀語主語謂語動詞的過去分詞賓語時間狀語The passive voice.Bellinvented the telephone in 1876.wasby