英语语法复习课件：被动语态.ppt

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1、英语总复习语法系列训练被动语态详解(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)(二)被动语态的时态、人称和数的变化主要体现在be的变化上，其形式与系动词be的变化形式完全一样。以give为例，列表如下：一般现在时：am/is/are+given一般过去时：was/wer

2、e+given一般将来时：shall/willbe+given一般过去将来时：should/wouldbe+given现在进行时：am/is/are+being+given过去进行时：was/were+being+given现在完成时：have/has+been+given(三)被动语态常用的八种时态1.一般现在时：Peoplegrowriceinthesouthofthecountry.Theschooldoesn'tallowustoenterthechemistrylabwithoutatea

3、cher.2.一般过去时：Theyagreedonthebuildingofanewcarfactorylastmonth.Thestudentsdidn'tforgethislessonseasily.Riceisgrowninthesouthofthecountry.Wearenotallowedtoenterthechemistrylabwithoutateacher.Thebuildingofanewcarfactorywasagreedonlastmonth.Hislessonsweren

4、oteasilyforgotten.3.一般将来时：Theywillsendcarsabroadbysea.Theywillgiveplentyofjobstoschool-leavers.Carswillbesentabroadbysea.Plentyofjobswillbegiventoschool-leavers.5.现在进行时：TheradioisbroadcastingEnglishlessons.Wearepaintingtherooms.6.过去进行时：—Whydidn'ttheydr

5、ivethereontime?—Becausetheworkersweremendingtheroad.Thistimelastyearwewereplantingtreeshere.7.现在完成时：Someonehastoldmethesportsmeetmightbeputoff.Wehavebroughtdowntheprice.Englishlessonsarebeingbroadcastedontheradio.Theroomsarebeingpainted.Becusetheroadwa

6、sbeingmended.Treeswerebeingplantedherethistimelastyear.Ihavebeentoldthesportsmeetmightbeputoff.Thepricehasbeenbroughtdown.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.Hecanwriteagreatmanyletterswiththecompute

7、r.Yourcompositionsmustbehandedinafterclass.Agreatmanyletterscanbewrittenwiththecomputerbyhim.(五)主动语态变被动语态的方法（1）Myauntinvitedmetoherdinnerparty.主语谓语宾语→Iwasinvited(bymyaunt)toherdinnerparty.主语谓语宾语（2）Theschoolsetupaspecialclasstohelppoorreaders.→Aspecialc

8、lasstohelppoorreaderswassetupintheschool.1.把主动语态的宾语变成被动语态的主语。2.把主动语态的谓语变成被动语态的be+过去分词，时态要与原句保持一致。3.把主动语态的主语变为介词by的宾语，放在被动语态里谓语动词之后，by短语可以省略。如果原句主语是地点名词，在被动语态中用in+地点名词作状语。(六)语态转换时所注意的问题1.把主动语态变为被动语态时，其谓语动词的时态要与原句时态保持一致，其谓语动词的数要与新主语保持一致。W