Unit 6 When was it invented .ppt

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1、Grammar&WritingUnit6Whenwasitinvented?1.一般过去时的被动语态结构式：（1）肯定句：主语+was/were+动词的过去分词+(by+人称代词宾格)+其他eg：Englishwasstudied(byus)threeyearsago.（2）否定句：主语+was/were+not+动词的过去分词+(by+人称代词宾格)+其他eg：Englishwasnotstudied(byus)threeyearsago.Grammar一般过去时态的被动语态（3）疑问句：Be(Was/Were)+主语+动词的过去分词+（by+人称代词宾格）+其他？eg：WasEngl

2、ishnotstudied(byus)threeyearsago?（4）特殊疑问句：What/Where/When+was/were+主语+动词的过去分词+其他?eg:WhenwasEnglishstudiedbyus?时态肯定形式否定形式疑问形式一般过去时S+was/were+doneS+was/were+not+doneWas/Were+S+done?Mariaboughtthebooklastyear.(主动句)ThebookwasboughtbyMarialastyear.WhenwasthebookboughtbyMaria?WhatwasboughtbyMarialastye

3、ar?被动句：总结：各种句型的主动语态变为被动语态2.使用被动语态应注意的几个问题(1)不及物动词无被动语态。Whatwillhappenin100years?100年后将会发生什么事?(2)有些动词用主动形式表示被动意义。Thispenwriteswell.这支钢笔好用。Thisnewbooksellswell.这本新书很畅销。3.感官动词或使役动词使用省略to的动词不定式,主动语态中不带to,但变为被动语态时,必须加上to。Mymothermakesmedohouseworkeveryday.=Iammadetodohouseworkbymymothereveryday.妈妈每天让我

4、干家务。Isawthemplaybasketballyesterday.=Theywereseentoplaybasketballbymeyesterday.昨天我看见他们打篮球了。4.如果是接双宾语的动词改为被动语态时,直接宾语(物)作主语,那么动词后要用介词,这个介词是由与其搭配的动词决定的。Hegavemeabook.→Abookwasgiventomebyhim.他给了我一本书。Heshowedmeaticket.→Aticketwasshowntomebyhim.他给我看了一张票。Myfatherboughtmeanewbike.→Anewbikewasboughtformeb

5、ymyfather.爸爸为我买了一辆新自行车。5.一些动词短语用于被动语态时,动词短语应当被看作一个整体,而不能丢掉其中的介词或副词。Helistenstotheradioeveryday.→Theradioislistenedtobyhimeveryday.他每天听收音机。Thenurseistakingcareofthesickman.→Thesickmanisbeingtakencareofbythenurse.那个护士正在照顾病人。①—Whydidn’tyougototheparty?—BecauseIwasn’t__________(invite).②Mymothermadem

6、edosomewashing.(改为被动语态)I________________________dosomewashingbymymother.invitedwasmadeto一、完成下列各题。Practice④那张照片是什么时候被带到学校里来的?__________________thephoto__________toschool?⑤这首歌是谁写的?________________thesong____________________?WhenwasbroughtWhowaswrittenby③Hewasseendancingonthesquare.(改为一般疑问句)________

7、__he__________dancingonthesquare?Wasseen1.—When____thebridge___？—Lastyear.A.did;buildB.was;buildC.was;builtD.did;built2.Flowers____alongtheroadlastyear.A.plantB.plantedC.areplantedD.wereplanted二、单项选择CD3.Manybuildingsin