一般现在时被动语态课件VIP免费

英语的语态是通过动词形式的变化表现出来的。英语中有两种语态：主动语态和被动语态。主动语态表示主语是动作的执行者。例如：ManypeoplespeakChinese.谓语：speak的动作是由主语manypeople来执行的。被动语态表示主语是动作的承受者，即行为动作的对象。例如：Chineseisspokenbymanypeople.主语Chinese是动词speak的承受者。GrammarGrammar1.1.被动语态的构成：被动语态的构成：be+Pp(be+Pp(动词的过去分动词的过去分词词))2.人称、数和时态的变化是通过be的变化表现出来的。3.3.一般现在时被动语态的构成：一般现在时被动语态的构成：am/is/are+Pp+(by+am/is/are+Pp+(by+动作执行者动作执行者))例如：例如：ChildrenChildrenlovelovethissong.(thissong.(主动语态）主动语态）（动作执行者）（动作承受者）（动作执行者）（动作承受者）ThissongThissongislovedislovedbybychildren.(children.(被动语态）被动语态）（动作承受者）（动作执行者）（动作承受者）（动作执行者）主动语态变被动语态口诀：宾语提前主语变，原主变宾by后见，时态人称be关键。把下列的句子变为被动语态的句子1、TheyspeakEnglishinCanada.2、Peopleusewoodformakingtables.3、TheymakecomputersintheUSA.4、TheygrowriceinSouthChina.Englishisspoken(bythem)inCanada.Woodisused(bypeople)formakingtables.Computersaremade(bythem)intheUSA.Riceisgrown(bythem)inSouthChina.看谁最准确把下列句子变成被动句：1.MoreandmorepeoplespeakEnglish.2.Weplantmoretreeseveryyearhere.3.Dalianproducesbigships.4.Farmersgrowriceinsummer.5.Wecleanourclassroomeveryday.Englishisspoken(bymoreandmorepeople).Moretreesareplanted(byus)everyyearhere.BigshipsareproducedinDalian.Riceisgrown(byfarmer)insummer.Ourclassroomiscleaned(byus)everyday.被动语态的用法：•1、当我们不知道动作的执行者时；•Abookisstolen.•2、当我们不必提出动作的执行者时；•Iwasbornin1990.•3、当我们强调或侧重的是动作的接受者时。•Sheislikedbyeverybody.句型转换1.Thegirllooksaftertheoldwomanwell.Theoldwomanbythegirl.2.Weoftenkeepourclassroomclean.Ourclassroomus.3.Somepeoplethrowwastepapereverywhere.Wastepapereverywhere.4.Damingbeatshisbrother.Hisbrother.5.Thepolicecatchesathief.Athiefthepolice.islookedafterwelliskeptcleanbyisthrownisbeatenbyDamingiscaughtbyQuizQuiz1.English_________(speak)bymanypeople.2.Tea_________(grow)inSoutheastChina.3.Manytrees____________(plant)inNorthChina.4.Thebrush__________(make)ofbambooandanimal’shair.5.Confucius_________(know)asagreatthinkerinChina.isspokenisgrownareplantedismadeisknown1Shakespeare/see/asawonderfulwriterShakespeareisseenasawonderfulwrite.2hisplays/know/allovertheworldHisplaysareknownallovertheworld.3Shakespeare’sworks/stilllove/bymillionsofpeopleShakespeare’sworksarestilllovedbymillionsofpeople.4hisplays/turninto/wonderfulfilmsHisplaysareturnedintowonderfulfilms.5Shakespeare’splays/teach/inourschoolShakespeare’splaysaretaughtinourschool.6we/ask/performonepartofShakespeare’splaysWeareaskedtotoperformonpartofShakespeare’splays.Quiz:RewritethesentencesThankyou!Goodbye!