一般过去时的被动语态ppt课件.ppt

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1、一般过去时的被动语态Teacher:GaoShuzhen知识讲解Thetelephonewasinventedin1876.Personalcomputerswereinventedin1971.1.一般过去时的被动语态：was/were+V.过去分词e.g.ThewindowwasbrokenbyTom.Thetreeswereplantedbyourclass.一般现在时的被动语态：am/is/are+V.过去分词知识讲解主动语态被动语态主语主语宾语宾语谓语2.一般过去时的主动语态变被动语态waswrittenLisawroteabook.byLisaAbookwaswritt

2、en即学即练将下列句子改为被动语态。1.Thefamilybuiltanewhouselastyear.→Anewhouse2.Mymotherboughtmanyvegetablesyesterday.→Manyvegetableswerebought(bymymother)yesterday.wasbuilt(bythefamily)lastyear.一般疑问句：Was/Were+主语+V.ed+(by…)?特殊疑问句：疑问词+was/were+主语+V.ed+(by…)?肯定句：主语+was/were+V.ed+(by…)否定句：主语+was/were+not+V.ed+(b

3、y…)知识讲解3.一般过去时被动语态的不同句式e.g.ThewindowwasbrokenbyTom.e.g.ThewindowwasnotbrokenbyTom.e.g.WasthewindowbrokenbyTom?e.g.WhenwasthewindowbrokenbyTom?知识讲解4.几种特殊的被动语态1.有些短语动词相当于及物动词，变为被动句时介词或副词不能去掉。e.g.Theyputoffthemeetingbecauseoftheweather.→Themeetingwasputoffbecauseoftheweather.会议因天气的缘故被推迟了。2.含有双宾语的

4、主动句变为被动句时，通常把指“人”的间接宾语变为主语，指“物”的直接宾语保留不变；如果把指“物”的直接宾语变为主语，则在间接语前加to或for。e.g.Myauntgavemeane-dictionaryyesterday.Iwasgivenane-dictionaryyesterday.Ane-dictionarywasgiventomeyesterday.3.主动句中感官动词see/hear/watch/feel等和使役动词make/let/have等后跟省略to的动词不定式，变为被动语态时应加上不定式符号to。e.g.Isawaheavymanenterthehouse.Ah

5、eavymanwasseentoenterthehouse.4.系动词、不及物动词或某些短语动词（happen,takeplace,cometrue,fallasleep…）没有被动语态。e.g.WhathappenedtoMr.Brown?布朗先生发生了什么事？将下列句子变为被动语态。1.Hechosesixstorybookstheotherday.Sixstorybooks____________byhimtheotherday.2.UncleLeegaveJackalargecakeforhepaintedthewallwonderfully.Jack__________a

6、largecakeforhepaintedthewallwonderfully.3.Amouseatehalfofthecakelastnight.Halfofthecake__________byamouselastnight.练一练wasgivenwerechosenwaseaten典例精析1.Anewschool_______lastyearinmyhometown.A.setupB.setsupC.issetupD.wassetupD典例精析2.(北京中考)Thesemodelcars____inChinain2013.A.aremadeB.weremadeC.makeD.

7、madeB课堂小结1.一般过去时的被动语态：was/were+V.过去分词。2.一般过去时的主动语态变被动语态。3.一般过去时被动语态的不同句式一般过去时的被动语态4.几种特殊的被动语态