被动语态.ppt语法.ppt

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1、(一)语态分类英语动词有两种语态，主动语态和被动语态。主动语态表示主语是动作的执行者，被动语态表示主语是动作的承受者。如：Theywillbuildanewbridgeovertheriver.(主动)Anewbridgewillbebuiltovertheriver.(被动)汉语中常用“被”、“给”、“由”、“受”等词用来表示被动，而英语用：助动词be+及物动词的过去分词构成。被动语态常用的八种时态1.一般现在时：Peoplegrowriceinthesouthofthecountry.Riceisgrowninthes

2、outhofthecountry.Theschooldoesn'tallowustoenterthechemistrylabwithoutateacher.Wearenotallowedtoenterthechemistrylabwithoutateacher.2.一般过去时：Theyagreedonthebuildingofanewcarfactorylastmonth.Thebuildingofanewcarfactorywasagreedonlastmonth.Thestudentsdidn'tforgethisle

3、ssonseasily.Hislessonswerenoteasilyforgotten.3.一般将来时：Theywillsendcarsabroadbysea.Carswillbesentabroadbysea.Theywillgiveplentyofjobstoschool-leavers.Plentyofjobswillbegiventoschool-leavers.4.过去将来时：Themanagersaidtheywouldcompletetheprojectbytheendoftheyear.Themanage

4、rsaidtheprojectwouldbecompletedbytheendoftheyear.Theworkerstoldmetheywouldmendthecarassoonaspossible.Theworkerstoldmethatthecarwouldbemendedassoonaspossible.5.现在进行时：TheradioisbroadcastingEnglishlessons.Englishlessonsarebeingbroadcastontheradio.Wearepaintingtheroom

5、s.Theroomsarebeingpainted.6.过去进行时：—Whydidn'ttheydrivethereontime?—Becausetheworkersweremendingtheroad.Becausetheroadwasbeingmended.Thistimelastyearwewereplantingtreeshere.Treeswerebeingplantedherethistimelastyear.7.现在完成时：Someonehastoldmethesportsmeetmightbeputoff.

6、Ihavebeentoldthesportsmeetmightbeputoff.Wehavebroughtdowntheprice.Thepricehasbeenbroughtdown.8.过去完成时：WhenIgottothetheatre,Ifoundtheyhadalreadysoldoutthetickets.WhenIgottothetheatre,Ifoundtheticketshadalreadybeensoldout.Thewholecountrywasverysadatthenewsofhisdeath;

7、Peoplehadconsideredhimtobeagreatleader.Hehadbeenconsideredtobeagreatleader.9.含有情态动词的被动语态：含有情态动词的被动语态是由“情态动词+be+及物动词的过去分词”构成。Youmusthandinyourcompositionsafterclass.Yourcompositionsmustbehandedinafterclass.Hecanwriteagreatmanyletterswiththecomputer.Agreatmanyletter

8、scanbewrittenwiththecomputerbyhim.被动语态:我们知道,被动语态是由be+done(动词的过去分词)构成的被动语态构成比较一般现在时主+am/is/are+done一般过去时主+was/were+done含情态动词主+情态动词+bedone一般将来时主+willbe+d