一般过去时被动语态.ppt

一般过去时被动语态.ppt

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ThePassiveVoicemadebyAchilles（Mr.Peng）GrammarThePassiveVoice被动语态被动语态u主动语态与被动语态：

主动语态与被动语态：

英语中有两种语态，即英语中有两种语态，即主动语态主动语态（TheActiveVoice）与与被动语态（被动语态（ThePassiveVoice）。

主动语态表示主语是动作。

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。

例如：

的执行者；被动语态表示主语是动作的承受者。

例如：

TheymaketrainsinZhuzhou.（主动语态）（主动语态）TrainsaremadeinZhuzhou.（被动语态）（被动语态）u一般现在时的被动语态构成：

一般现在时的被动语态构成：

am/is/are+动词的过去分词动词的过去分词u主动语态变被动语态的步骤：

主动语态变被动语态的步骤：

1.主动语态的宾语变为被动语态的主语；主动语态的宾语变为被动语态的主语；2.主动句的谓语动词变为被动结构；主动句的谓语动词变为被动结构；3.主动句的主语变为被动句的宾语，由主动句的主语变为被动句的宾语，由by引引出，当不强调动作的执行者时，常省略。

出，当不强调动作的执行者时，常省略。

例如：

例如：

ManypeoplespeakEnglish.Englishisspokenbymanypeople.将下列的句子改为被动语态。

将下列的句子改为被动语态。

1.TheyspeakEnglishinCanada.2.Peopleusewoodformakingtables.3.TheymakecomputersintheUSA.4.TheygrowriceinSouthChina.EnglishisspokeninCanada.Woodisusedformakingtables.ComputersaremadeintheUSA.RiceisgrowninSouthChina.Teachingaims:

1、了解并掌握一般过去时被动语态的肯定句、否定句以及一般疑问句的结构2、能从主动语态变为被动语态3、能熟练运用一般现在时和一般过时的被动语态自学任务（课本134-135）一般过去时被动语态的三种句式结构一般过去时被动语态的三种句式结构肯定句：

主语+was/were+动词的过去分词（+by+动作执行者）否定句：

主语+was/were+not+动词的过去分词（+by+动作执行者）一般疑问句：

Was/Were+主语+动词的过去分词（+by+动作执行者）2.IboughtacomputerlasttermAcomputerwasbought（byme）lastterm.Thelightwasinventedbyhim.inventHeinventedthelight.Jimrodethemotorbiketohisfactoryyesterday.Themotorbikewasriddentohisfactoryyesterday.Theyhadaneveningpartylastweek.Aneveningpartywashadlastweek.TheGreatWallwasbuiltbyChinesepeoplemanyyearsago.ChinesepeoplebuilttheGreatWallmanyyearsago.Thestudentsplantedmanytreesyesterday.Manytreeswereplantedbythestudentsyesterday.1.Peopleuseknivesforcuttingthings.Knives__forcuttingthings.2.Thestudentscleanthewindowsoftheirclassroomtwiceamonth.Thewindowsoftheirclassroom__twiceamonth.areusedarecleaned（变被动语态）变被动语态）七嘴八舌3.Ifoundtheticketonthefloor.____onthefloor.4.Itoldhertoreturnthebookintime.She__toreturnthebookintime.Theticketwasfoundwastold3.Wefoundtheticketonthefloor.5.Lastyearwebuiltalibraryinourschool.Alibrary__inourschoollastyear.wasbuilt6.Didyouplantmanytreesatthistimelastyear?

____atthistimelasttime?

Weremanytreesplanted7.TheteacheraskedTomtoturnonthecomputer.Tom__toturnonthecomputer.8.Inthisfactorywomendomostofthework.Mostofthework__bywomeninthisfactory.wasaskedisdoneHaveatry1.Sheinventedteabyaccident.2.Theydontwashtheirclotheseveryday.3.Theboybrokethedooroftheclass.Teawasinventedbyherbyaccident.Theirclothesarentwashedbythemeveryday.Thedooroftheclasswasbrokenbytheboy.4.Wedidntsolvetheproblem.5.DidMaryfinishthework?

Theproblemwasntsolvedbyus.WastheworkfinishedbyMary?

Fillintheblanks:

Paper（invent）_inA.D.105byCaiLuninChina.Itisanimportantpartofoureverydaylives,butfewpeopleeverthinkabouthowit（make）_.Todaymostpapercomesfromtrees.However,withtheconcernfortheenvironment（考虑到环境考虑到环境）,moreandmorepaper（produce）_fromrecycledpaperproducts.Sincepaperproductsareofdifferentqualities,theyfirst（sort分类分类）_beforethey（recycle）_.Thesortedmaterial（put）_intoahugemachine.wasinventedismadeisproducedaresortedarerecycledisput