Unit2ImprovingyourselfUsinglanguage课件高中英语选择性

Unit2ImprovingyourselfPastperfectpassiveB5U2presentfuturepastpastperfect*pastperfecttense（过去的过去）过去完成时Pastperfectpassive基本结构过去完成时的被动语态肯定：主语+hadbeendone否定：主语+hadnotbeendone疑问句：Had+主语+beendone过去完成时的被动语态表示动作在过去某一时间或某一动作之前已经发生或完成，且主语与谓语动词之间是被动关系，句中常用by,before,until,when等词引导时间状语。定义aAtthestartofthedetox,over100studentshadbeenpersuadedtostopusingsocialmedia,inANYform,forsevendays.bAtthestartofthedetox,peoplehadpersuadedover100studentstostopusingsocialmedia,inANYform,forsevendays.Lookatthesentencesfromthereadingpassageandanswerthequestions.1Werethestudentsinsentence(a)persuadedbeforethedetoxstarted,orafterwardsThestudentswerepersuadedbeforethedetoxstarted.aAtthestartofthedetox,over100studentshadbeenpersuadedtostopusingsocialmedia,inANYform,forsevendays.bAtthestartofthedetox,peoplehadpersuadedover100studentstostopusingsocialmedia,inANYform,forsevendays.Lookatthesentencesfromthereadingpassageandanswerthequestions.2Whatisthedifferencebetweensentences(a)and(b)Theydifferinvoice（语态）.Thepassivevoiceisusedinsentence(a),whiletheactivevoiceisusedinsentence(b).Nowlookformoresentenceswiththepastperfectpassiveinthereadingpassage.Theyhadbeenpromisedmoneybyfamilyandfriendsforeachdayspentwithoutusingsocialmedia.Butonreflection,Icanseehowmuchofmytimehadbeenoccupiedwithcheckingmyphone.Atthestartofthedetox,over100studentshadbeenpersuadedtostopusingsocialmedia,inANYform,forsevendays.Theyhadbeenpromisedmoneybyfamilyandfriendsforeachdayspentwithoutusingsocialmedia.ThedetoxwasmoredifficulttotoleratethanIhadexpected.Butonreflection,Icanseehowmuchofmytimehadbeenoccupiedwithcheckingmyphone.Afterreadingthepostsontheforum,itseemsthatsomethingotherthanmoneyhasalsobeenraisedthroughthedetox以上句子中，句子①②④都是____________的被动语态；其结构为________________句子③的时态是__________句子⑤用的是___________的被动语态过去完成时hadbeendone过去完成时现在完成时基本结构肯定：主语+hadbeendone否定：主语+hadnotbeendone疑问句：Had+主语+beendoneFivenewbuildingshadbeenbuilt

bytheendoflastyear.Theclassroomhadn’tbeencleaned

beforetheteachercame.Hadmanybuildingsbeendestroyedbeforethehurricaneended基本用法在told,said,knew,heard,thought,reminded,reported等动词之后的宾语从句中，若表示过去的某一被动动作时，事态用过去完成时。Theysaidtheproductioncostshadbeenreduced.他们说生产成本已经被降低了。Theboywasremindedthathishomeworkhadnotbeenhandedin.这个男孩被提醒他的家庭作业还没有交。基本用法根据语意可以判断动作先后的被动语态，时态用过去完成时。Astheassignmenthadbeendone,hewentontosearchtheInternet.任务已经完成了，他继续上网查询。Hedidwhathehadbeentoldto.他按照之前被告知的那样去做。用被动语态的情况一是强调动作的承受者，二是不知道谁是动作的执行者，或者没必要指出谁是动作的执行者。例如：Thecarhadbeendamagedbythefloodwater.Thetaskhadbeencompletedbeforenoonyesterday.practice!《点金训练》p34CompleteJack’sblogpostwiththecorrectformoftheverbsinbrackets.hadbeenmetdoinghadbeencleanedhadbeenputavoidinghadbeenlefttomakeWorkinpairs.Describethepicturesusingthepastperfectpassive.Jackstartedthehabitofcleaninghisroomlastweek.Thisiswhathisroomlookedlikeyesterdaymorning.Buttwoweeksago,Jack’sroomwaslikethis…Workinpairs.Describethepicturesusingthepastperfectpassive.Jackstartedthehabitofcleaninghisroomlast

week.Thisiswhathisroomlookedlikeyesterday

morning.(Thefloorwasclean.Thesheetwaslaidflatonthebed.Allthebooksandclotheswereplacedneatlyandtidily.Thepicturesonthewallwerestraight.)Buttwoweeksago,Jack’s

roomhadbeenanawfulmess.Hisclotheshad

beenthrowneverywhere;thepictureshadnot

beenhungstraight;andallthedrawershad

beenopened.Ithadbeenaverydisorderlysort

ofroom,withbooksandpaperslyingaroundeverywherepractice!《点金训练》p11-12

（14天津）Wewon’tstarttheworkuntilallthepreparations_____