高中英语Unit 3 Amazing eople[ty]ppt 课件VIP免费

GrammarandUsageGrammarandUsage•ThePastPerfectTense&•ThePresentPerfectTense•Whenwewanttotalkaboutpastactions,weoftenusetheSimplePastTense(V+ed)•当我们谈论过去的动作或状态时，我们常用一般过去时：•同学们能说出下列动词的过去式与过去分词吗？•buildblowcatchbuychoosecutcost•Comedogodriveeatfallmeetpay•ReadringrisesendsingsitfeelWhatdidyoudoyesterday?Ienjoyshoppinginthesupermarket.Yesterdayevening,I_______（go）shoppingnearmyhome.I______(be)busyalldaylong.Soit_____(be)agoodchanceformetorelaxmyself.Ienjoyshoppinginthesupermarket.Yesterdayevening,I_______（go）shoppingnearmyhome.I______(be)busyalldaylong.Soit_____(be)agoodchanceformetorelaxmyself.There____(be)manypeopleinthesupermarket.SinceI_____(have)enoughtime,I______(feel)atease.I______(walk)hereandtheretoseewhetherthere_____(be)somethingIneed.I____(fill)mybasketwithallthegoodsIchose.There____(be)manypeopleinthesupermarket.SinceI_____(have)enoughtime,I______(feel)atease.I______(walk)hereandtheretoseewhetherthere_____(be)somethingIneed.I____(fill)mybasketwithallthegoodsIchose.Whatdidyoudoyesterday?I_____(take)allmythingswithme.I______(decide)togohomebytaxi.I_____(take)allmythingswithme.I______(decide)togohomebytaxi.Atthemoment,aguide(保安)_____(stop)meand____(tell)methatI______(notpay).IfeltverysorrythatI______(forget)it.IsaidI_____(think)I______(do)itbeforeIcameoutofthedoor.Atthemoment,aguide(保安)_____(stop)meand____(tell)methatI______(notpay).IfeltverysorrythatI______(forget)it.IsaidI_____(think)I______(do)itbeforeIcameoutofthedoor.StructureStructure过去完成时：had+V-ed过去完成时：had+V-ed1.Thepastperfecttenseisoftenusedwiththesimplepasttense.Ifoneactionhappensbeforeanotherinthepast,thepastperfecttenseisused.1.Thepastperfecttenseisoftenusedwiththesimplepasttense.Ifoneactionhappensbeforeanotherinthepast,thepastperfecttenseisused.Thepastperfecttenseshowsus过去的过去Thepastperfecttenseshowsus过去的过去>----|-------|-----|---->----|-------|-----|----presentpresentpastpast•我们用过去完成时来表示发生在过去另一动作之前的动作•Uponenteringthetomb,Carter’sluckypetbird,whichhadledhimtotheplace,waseatenbyasnake.pastpresentCarter’sluckypetbirdwaseatenbyasnakeCarter’sluckypetbirdhadledCartertothesite.•Compare:TheSimplepast&ThePastPerfecttenseMoreexamples•Bytheendoflastyear,I_______for15years.•WhenIcamebackhome,myfavouriteTVprogram__________.hadtaughthadalreadyfinishedMoreexamples•Hewasnotworriedatall.He____________preparations.hadalreadymade•2。Wecanalsousethepastperfecttenseinreportedspeechtorefertoanactionthathadalreadyhappenedatthetimeofspeaking.Wecanchangethesimplepasttenseandpresentperfecttenseindirectspeechtothepastperfectinreportedspeech.•我们用过去完成时来转述别人话中的一般过去时或现在完成时：•“Weemptiedthetombofeverythingitcontained,”saidCarter.•Cartersaidthattheyhademptiedthetombofeverythingitcontained.presentpastCartersaidthattheyhademptiedthetombTheyemptiedthetombofeverythingitcontained3Herethepastactiondidn’thappenalongtimeago.•IhaddonemyhomeworkthismorningbeforeIwenttothemuseum.•过去完成时用来表示发生在过去某一动作之前，但并不一定是很久之前。4usedwithtimeexpressionssuchas，when,after,before,assoonas,until,by,forandalreadyPresentPastCarteropenedKingTutankhamun’stombLordCarnarvondiedThenafewmonthsafterCarterhadopenedthetomb,LordCarnarvonfellillwithafeveranddied.•过去完成时往往与以上的表达法同用Ques...