资源描述：
《仁爱九年级上 Unit3 Topic 1 Section A 课件.ppt》由会员上传分享，免费在线阅读，更多相关内容在教育资源-天天文库。
1、---ByDavidUnit3EnglishAroundtheWorldTopic1Englishiswidelyspokenthroughouttheworld.SectionAThePassiveVoice.助动词be+及物动词的过去分词be+P.PRevision:Grammarfocus:步骤1：把原主动句中的宾语转换为被动语态的主语。步骤2：把动词改为被动形式（be＋过去分词)（1）人称和数要随着新的主语而变。（2）时态和原主动句保持一致。步骤3：原来的主语，改为“by+宾语”形式，也可省略。（将主格变为宾格）步骤4：其他成分（定语、状语）保持不变，照抄。主动语态变被动语态的方法
2、：ManypeoplespeakEnglish.主语谓语宾语Englishisspokenbymanypeople.主语谓语宾语主动语态被动语态被动语态构成：助动词be+及物动词的过去分词一般现在时：am/is/are+过去分词一般过去时：was/were+过去分词一般将来时：will/shallbe+过去分词现在进行时：am/is/arebeing+过去分词过去进行时：was/werebeing+过去分词现在完成时：have/hasbeen+过去分词把下列句子变为被动语态：1.Peopleplayfootballallovertheworld.Footballallovertheworl
3、d.2.PeoplebuilttheGreatWalllongago.isplayedbypeopleTheGreatWall__________bypeoplelongago.wasbuilt3.Wewillwriteadiarynextclass.4.Wemustprotecttheenvironment.Adiary__________________byusnextclass.Theenvironment_________________byus.willbewrittenmustbeprotected一些特殊结构的被动结构:（1）感觉动词(hear,see等)改被动语态（2）使役
4、动词(let,make等)改被动语态如动词为make,see,hear,watch等，后接宾语补足语为不带“to”不定式时，变被动语态时要加上“to”。如：5.Isawhimfalloffthetree.→Hewasseen__________thetree.tofalloffseesb.doingsth.=sb.beseendoingsth.Isawhimplayingfootballatthatmoment.He________________footballatthatmoment.wasseenplaying1.Mymotherboughtmeanewbike.=I________
5、______anewbikebymymother.=Anewbike________________bymymother.带有双宾语的主动语态变被动语态时,直接或间接宾语都可做主语,间接宾语前加to或for.2.JackgivesTomabook.=Tom__________abookbyJack.=Abook________________byJack.wasboughtwasboughtformeisgivenisgiventoTom1.不及物动词没有被动语态。如：belongto,happen,takeplace,last,cometrue,remain,succeed,fall,d
6、ie,arrive,,breakout,appear,start等。*Greatchangeshavetakenplaceinthiscity.*Thatbikedoesn’tbelongtoMike.不用被动语态的几种情况：不用被动语态的几种情况：2.表示静态的及物动词不用被动语态have/fitIhaveaTVset.Thecoatfitsmewell.3.祈使句没有被动语态。【正】Lookattheblackboard,please．【误】Theblackboardislookedatbyyou．√不用被动语态的几种情况：4.系动词没有被动态和进行时态这鱼味道很好。这条围巾摸上去很软
7、。Thefishtastesgood.Thescarffeelssoft.5.某些动词形式是主动，但含有被动的意思。1.这书很好卖。2.这种布很好洗。Thebooksellswell.Thiskindofclothwashesverywell.3.这辆自行车需要修理。【正】Youmustlookafteryourself．【误】YourselfmustbelookedafterThebikeneedsrepairing.
