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学习目标和任务主动语态改被动语态的方法各时态形式的被动语态的构成结构下面各种时态的主动语态的构成结构复习巩固一般现在时：主语+am/is/are+其它主语+v/v-(e)s+其它一般过去式：主语+was/were+其它主语+v-ed+其它一般将来时：主语+will/shall+v.原形+其它主语+begoingto+v.原形+其它过去将来时：主语+would/should+v.原形+其它现在进行时：主语+am/is/are+v-ing+其它过去进行时：主语+was/were+v-ing+其它现在完成时：主语+have/has+done+其它过去完成时：主语+had+done+其它探索新知(一)主动语态改被动语态的方法：主动语态：主语+谓语动词+宾语+其它（谁）（做）（什么）被动语态：主语+be的适当形式++by+主语（宾格变主格）及物动词的过去分词（主格变宾格）当主动语态中的主语为表示地点的名词时，在被动语态中应将其改为“in+名词”做地点状语。归纳总结把主动语态改为被动语态可按“一变、二套、三注意”来进行。即：①变－－把主动语态的宾语改为被动语态的主语，把主动语态的主语改为被动语态的介词by的宾语(in+地点）。②套－－根据原句的时态套用相应时态。③注意－－注意人称的变化而引起的主谓一致问题。探索新知（二）各时态形式的被动语态的构成结构一般现在时：主语+am/is/are+done+其它一般过去时：主语+was/were+done+其它一般将来时：主语+will/shall/begoingto+be+done+其它过去将来时：主语+would/should+be+done+其它现在进行时：主语+am/is/are+being+done+其它过去进行时：主语+was/were+being+done+其它现在完成时：主语+have/has+been+done+其它过去完成时：主语+had+been+done+其它含有情态动词的被动语态：主语+情态动词+be+done+其它各种时态的主动语态和被动语态谓语结构对照表主动语态被动语态一般现在时一般过去时一般将来时过去将来时现在进行时过去进行时现在完成时过去完成时含有情态动词的句子主语+am/is/are+其它主语+v/v-(e)s+其它主语+was/were+其它主语+v-ed+其它主语+will/shall+v.原形+其它主语+begoingto+v.原形+其它主语+would/should+v.原形+其它主语+am/is/are+v-ing+其它主语+was/were+v-ing+其它主语+have/has+done+其它主语+had+done+其它主语+情态动词+v原形+其它主语+am/is/are+done+其它主语+was/were+done+其它主语+will/shall+be+done+其它主语+begoingto+be+done+其它主语+would/should+be+done+其它主语+am/is/are+being+done+其它主语+was/were+being+done+其它主语+have/has+been+done+其它主语+had+been+done+其它主语+情态动词+be+done+其它知识应用将下列主动语态的句子变为被动语态。1.Theboycleanedthedeskamomentago.Thedeskwascleaned(bytheboy)amomentago.2.Shewaterstheflowerseveryday.Theflowersarewatered(byher)everyday.3.Theydotheirhomeworkafterschool.Theirhomeworkisdone(bythem)afterschool.4.Tomiscuttingdownthetreesonthehill.ThetreesarebeingcutdownbyTomonthehill.知识应用5.Wewillplant2000treesnextyear.2000treeswillbeplanted(byus)nextyear.6.Thepolicehavecaughtthethief.Thethiefhavebeencaughtbythepolice.7.Youmustkeeptheroomcleanandtidy.Theroommustbekeptcleanandtidy.8.Wehadlearnt3000wordsbytheendoflastterm.3000wordshadbeenlearnt(byus)bytheendoflastterm.9.NorthwestChinagrowsthebestcotton.ThebestcottonisgrowninNorthwestChina中考链接FillintheblankswiththePassiveVoice.1、Tea_______(grow)inFujian.2、Chinese__________(speak)inChina.3、Thebeds__________(use)forsleeping.4、Ourclassroom________(clean)yesterdayevening.5、Thecars__________(make)inBeijing.isgrownisspokenareusedwascleanedweremade小结：这节课我们学习了什麽?懂得了什么?探索新知(一)主动语态改被动语态的方法：主动语态：主语+谓语动词+宾语+其它（谁）（做）（什么）被动语态：主语+be的适当形式++by+主语（宾格变主格）及物动词的过去分词（主格变宾格）当主动语态中的主语为表示地点的名词时，在被动语态中应将其改为“in+名词”做地点状语。探索新知（二）各时态形式的被动语态的构成结构一般现在时：主语+am/is/are+done+其它一般过去时：主语+was/were+done+其它一般将来时：主语+will/shall/begoingto+be+done+其它过去将来时：主语+would/should+be+done+其它现在进行时：主语+am/is/are+being+done+其它过去进行时：主语+was/were+being+done+其它现在完成时：主语+have/has+been+done+其它过去完成时：主语+had+been+done+其它含有情态动词的被动语态：主语+情态动词+be+done+其它