2024年人教版英语九全unit 4 Section A（Grammar Focus）教学配套课件(共20张PPT).pptVIP

Unit6Whenwasitinvented?SectionAGrammarFocus

Whenwasthezipperinvented?Itwasinventedin1893.Whowasitinventedby?ItwasinventedbyWhitcombJudson.WhenwasteabroughttoKorea?ItwasbroughttoKoreaduringthe6thand7thcenturies.Whatisthehotice-creamscoopusedfor?It’susedforservingreallycoldice-cream.PassivevoiceinthesimplepasttenseActive:AlexanderGrahamBellinventedthetelephonein1876.Passive:Thetelephonewasinvented(byAlexanderGrahamBell)in1876.GrammarFocus

一般过去时的被动语态的句式结构一般过去时的被动语态肯定句主语+was/were+及物动词的过去分词（+by…）否定句主语+was/were+not+及物动词的过去分词（+by…)疑问句Was/Were+主语+及物动词的过去分词（+by…)?特殊疑问词+was/were+主语+及物动词的过去分词（+by...)?

2.一般过去时的被动语态的基本用法用法示例表示过去某一具体时间发生的动作，且句子的主语是谓语动词动作的承受者Thehousewasbuiltin1990.这所房子建于1990年。讲述发生在过去的动作，且不知道动作的执行者Hewashonoredwiththename“FatherofHybridRice”.他被授予“杂交水稻之父”的称号。

①含有双宾语的主动句变为被动语态时，通常把指“人”的间接宾语变为主语，而指“物”的直接宾语则不变Hegavemeabookyesterday.Iwasgivenabook(byhim)yesterday3.含双宾语和复合宾语的主动句变为被动语态的方法

②如果要把指“物”的直接宾语变为主语，则在间接宾语前加to或forIbroughthimsomefoodSomefoodwasbroughttohim(byme).③含有复合宾语的主动句变为被动语态时，要将其中的宾语变成主语，宾语补足语不变JimaskedTomtogoforawalk.Tomwasasked(byJim)togoforawalk.

④如果宾语补足语是不带to的动词不定式，主动语态变成被动语态时要加上不定式符号toWeoftenheardKatesingintheroom.Katewasoftenheardtosingintheroom(byus).

4aRewritethesentencesusingthepassivevoice.Theysoldthefridgeatalowprice.Thefridgewassoldatalowprice.Somebodystolemycamerafrommyhotelroom.Mycamerawasstolenfrommyhotelroom.

3.Wheredidyoutakethesephotos?Wherewerethesephotostaken?4.Ourparentsadvisedusnottogooutalone.Wewereadvisednottogooutalonebyourparents.5.Differentwriterstranslatedthebookintodifferentlanguages.Thebookwastranslatedintodifferentlanguagesbydif