Unit6NurturingNatureGrammar导学案高二英语选择性

选择性必修一Unit6NurturingNaturePeriod3:Grammar(现在完成时)导学案语境3：经济衰退影响一家的生活，母亲从零开始学打字.(字数80左右)Mothertookanotherjobearninghalf,buttheeveningpracticesessionsontheoldgreentypewritercontinued._____________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________课堂学习任务目标掌握现在完成进行时基本概念；现在完进行成时的基本用法；现在完成时和现在完成进行时的区别Task1:认识现在完成进行时1.Lookatthesentencesfromthereadingpassageandanswerthequestions.(P53)a.WildanimalssuchastheseTibetanantelopeshavenowbeenusingthesepassagesforyears.b....beforeIknowit,wehavereachedTanggulaStation.①.Whichofthesestatementsistrueaboutsentence(a)?(1)Wildanimalsstartedusingthesepassagesinthepast.(2)Wildanimalsusedthesepassagesonlyonce.(3)Wildanimalsstillusethesepassagesnow.②.Whatisthedifferencebetweentheexpressionsinboldinsentences(a)and(b)?2.朗读句子，划出动词部分1.ThetrainhasbeenracingalongsteadilysinceitleftXining.2.Allthistimethesong“SkyRailway”hasbeenplayinginsidemyhead.3.WildanimalssuchastheseTibetanantelopeshavenowbeenusingthesepassagesforyears.4.TheQinghaiTibetPlateauhasbeenattractingpeople’sadmirationforcenturies.5.Now,thankstoourefforts,passengersfromalloverthecountryhavebeenenjoyingthesemagicallandscapes.Task2:理解现在完成时1.现在完成进行时时间IhavebeenstayinginChinasince3threeyearsago.理解时间:______________________________现在完成进行时表示动作从过去某一时间开始一直持续到现在，这个动作可能终止，也可能还在进行。2.现在完成进行时的形式TheyhavebeenlearningEnglishforalmost6years.划出谓语动词部分：______________________3.现在完成时和现在完成进行时的区别1）在不用时间状语的情况下，现在完成进行时的动作不一定已经完成，很可能持续下去，而现在完成时一般表示动作已经完成。即现在完成进行时强调动作的延续性，而现在完成时强调动作的结果。a.I________________________solarracingcars.我一直在设计太阳能赛车。b.I__________________fiveorsixdifferentcars.我已经设计了五六辆不同的小汽车了。2）现在完成进行时往往表示动作在重复，而现在完成时一般不表示动作的重复。a.I_______________________________partinracesforfouryears.我四年来一直在参加比赛。b.Howmanyraces______________you_____________partin?你参加了多少场比赛了？3）现在完成进行时与所有进行时态一样带有感情色彩，可使表达显得生动，而现在完成时往往只表明一个事实、一种影响或结果，不带感情色彩。What____________you________________?Youlookedfedup.你一直在干什么呀？你看上去很不高兴。4.常与现在完成进行时连用的时间状语现在完成进行时常与表示一段时间的状语连用，例如：allthetime,thisweek,allnight,thesefewdays,for…,since…等。a.Aprivatedetective_______________________himforseveralweeks.一个私人侦探几个星期以来一直在跟踪他。b.Craiglovesoutdooractivities—he_____________________________sincehewasachild.Craig热爱户外活动。他从小就开始钓鱼。Task3:现在完成时运用1.pletethepassagewiththecorrectformoftheverbsinbrackets.(P65)I1________________(hear)astrangesoundforawhile.It’sadeep,loudroar,likealion’s.Buttherearen’tanylionshere...Orarethere?SoonIseewhat2_______________(make)thenoise:ahowlermonkey.NowIfeellessworried.Realisingthatsomething3_________(move)onmyshoulder,Iturnmyheadtolookatit.Ohno!It’sagiantspider!Ibrushitoffanditrunsundersomeleaves.Itrytobatawaythehugeinsects,which4______________(fly)aroundmyheadinablackcloudforquiteawhile.IpullofftheheadsetandI’mbackinmylivingroom.Thankgoodness!I5______________(give)thelatestvirtualrealityheadsetand,forthelasttwentyminutes,I6______________(use)ittoexploretheAmazon.Thisisanamazingexperienceandareminderofhowmanyspeciesthereareintherainforest.Wemustdoallwecantoprotectit.2.用英语句子表达下列图片 句1：_________________________________________________________________________________ _________________________________________________________________________________ 句1：_________________________________________________________________________________ ________________________________________________________________________________ 句1：_________________________________________________________________________________ _________________________________________________________________________________课后强化巩固练习1.选用括号内合适的内容完成下面对话。Molly:Mum,youlookreallytired.What1.________________(areyoudoing,haveyoubeendoing)allday?Mum:I2._____________________(amcleaning,havebeencleaning)thehouse.Molly:3.___________________(Haveyouseen,Haveyoubeenseeing)agoldnecklace?Mum:No,Ihavecleanedalltheroomsbuthaven’tseenit.Howlong4._______________________(wereyoulookingfor,haveyoubeenlookingfor)it?Molly:Well,I5._____________________(didn’tsee,haven’tseen)itsincelastweek.Mum:Amandahastidiedupalottoday.6.________________(Haveyouasked,Haveyoubeenasking)heryet?Molly:No,I’llaskhernow.Thanks,Mum.2.用动词的正确形式填空。1)

—I’msureJoeywillwinthefirstprizeintheingsingingpetition．—Iagree.He_________________(prepare)foritformonths.Andlisten,heispractici