被动语态专题.ppt

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1、语法专题复习———被动语态（ThePassivevoice)复习目标1、掌握语态基本概念；2、熟悉常见语态转换；3、在语篇中理解和运用被动语态。复习重点:1.一般现在时和一般过去时的被动语态；2.情态动词的被动语态。复习难点:1.被动语态中be形的确定；2.主动语态中省略to的宾补在被动语态中须补上to.1.英语中有那两种语态？回答下列问题：主动语态和被动语态。2.主动语态表示什么？主动语态表示主语是动作的执行者。3.被动语态表示什么?被动语态表示主语是动作的承受者。例如：ManypeoplespeakEnglish.(主动语态)Englishiss

2、pokenbymanypeople.(被动语态)use…forplayoftenFootballisplayedallovertheworld.Acameraisusedfortakingphotos.robyesterdaysenduplastyearAman-madesatellitewassentupintospacelastyear.Abankwasrobbedyesterday.mustplantcoverwithinafewyears’timeThetreemustbeplantedontheground.Thegroundwillbec

3、overedwithtreesinafewyears’time.sendtorightnowatalkgivesoonTheywillbesenttothehospitalrightnow.Atalkwillbegivensoon.digTheearthisbeingdugnow.eatupalreadyThefoodhasbeeneatenupalready.Footballisplayedallovertheworld.Acameraisusedfortakingphotos.Abankwasrobbedyesterday.Aman-madesa

4、tellitewassentupintospacelastyear.Thetreemustbeplantedontheground.Thegroundwillbecoveredwithtreesinafewyears’time.Theywillbesenttothehospitalrightnow.Atalkwillbegivensoon.Theearthisbeingdugnow.Thefoodhasbeeneatenupalready.Lookandfindoutthesimilarities(相同点):被动语态的用法：1.不知道动作的发出者,或

5、不必要说明动作的发出者。例句：Abankwasrobbedyesterday.2.对动作的承受者进行强调时,要用被动语态。例句：Theywillbesenttothehospitalrightnow.被动语态的构成:be+及物动词的过去分词被动语态中be在各时态中的具体形式：3.一般将来时中，be是willbe的形式。2.一般过去时中，be是was,were的形式。例句:I/shewastaughttostudyEnglish.WeweretaughttostudyEnglish.例句:IamtaughttostudyEnglish.Wearetau

6、ghttostudyEnglish.1.一般现在时中,be是am,is,are的形式。例句:I/She/WewillbetaughttostudyEnglish4.现在完成时中被动语态的构成:have/hasbeen+done5.现在进行时态中被动语态的构成:bebeing+done例句:Theworkhasbeenfinished.Whyhaven’ttheybeeninvented.例句:Newbridgeisbeingbuiltnearourschool.6.含有情态动词的被动语态的构成:can/may/must/should+be+done+

7、（bysb）例句：Thedictionarymustbetakengoodcareof。Cantheworkbedoneintwodays。被动语态的时态是靠be动词变化，而后边的过去分词是不能变化。一般现在时：am,is,are+done一般过去时：was,were+done一般将来时：willbe+done现在完成时：have/hasbeen+done现在进行时：bebeing+done情态动词的被动语态：情态动词+be+done小结：被动语态中“be”的变化MultipleChoice:1.()Ifthework________,youcang

8、oandplaygames.A.finishedB.hasfinishedC.willbefinishedD