高一英语 现在完成时与现在完成进行时 课件必修2.ppt

grammarandusage policeinamericahavesteppeduptheirsearchforaboywhowentmissing 2 peoplehaveshowngreatinterestinhisdisappearanceduetosightingsofalienvisits 3 ihaven tseenjustinsince 4 somepeopleindoveralsosaythattheyhaveseenaliens 5 peoplehavenotruledoutthepossibilitythatjustinwastakenbyaliens 6 peterson whohastakenchargeofthecase presentperfecttense review thepresentperfecttenseform 结构 summary have has done findoutsomesentenceswhichareinthepresentperfecttenseinthetext mrzhanghasjustboughtanewcar buthehashadtoublewithmotorists whenhereturnshomeatnighthealwaysfindthatsomeonehasparkedacaroutsidehisgate becauseofthis hehasnotbeenabletogethisowncarintothisgarageevenonce hehastowalkhomeafterheparkshiscar what sthematter haveyouboughtacar yes but mrzhanghasputupa noparking signoutsidehisgate butithasnotanyeffect hasjustbought hashad hasparked hasnotbeen haveyoubought hasputup 1 theteacherintheblackjackethasleft 2 wehavestudiedenglish 3 kungweizhenghasalreadyfinishedthehomework 4 hehashadhislunch 5 ihaveseenthefilmoftitanictwice 6 moststudentshavemadegreatprogressinreading 7 mrfenghasjustreturnedfrombritain extension1 summary1 表示过去发生的某一动作对现在造成的影响或产生的结果 现在完成时这一时态强调是过去动作与现在的联系 也就是强调现在的影响和结果 通常与表示包括现在在内的时间副词just 刚刚 already 已经 before yet 一般疑问 已经 否定句 还 never ever等状语连用 drill1 1 i have lunchalready 2 hasthetrain arrive yet 3 tome never beto china 4 thetwin just see myfather 5 thetwins see myfatherjustnow havehad arrived has beento has seen saw 1 we study englishforaboutfouryears 2 we live inhoujimiddleschoolsincethreemonthsago 3 theoldman 已经死了 fortwoyears 5 justinhasbeenmissingfortwoweeks 6 ihaven tseenguoyithesedays extension2 havestudied havelived hasbeendead summary2 强调某一动作或状态从过去某一时间开始延续到现在且有可能继续下去用延续动词 通常和for since sofar bynow untilnow thesedays inthelasttenyears 引导的时间状语连用 drill2 1 theprice recently butidoubtwhetheritwillremainso awentdown bwillgodownchasgonedowndwasgoingdown2 inthepastfewyearsthere greatchangesindamiaotown aisbwerechavebeendwillbe timefriends 1 迄今为止 sofar uptillnow uptonow untilnow 2 最近的过去 inthelast pastyears recently lately thesefewdays 3 表示一段时间的短语 allday allthisyear allone slife 瞬间性动词如arrive join die get come buy sell leave borrow marry等 以及终止性动词如start begin finish等 在现在完成时的肯定形式中不能与 for 一段时间 的时间状语连用 但可以用在否定句或这些动词对应的状态动词中 为了表述这种意思 我们常用相应的延续性动词have keep be 等来代替非延续性动词 tips choosetherightanswers 1 ihavejoined beeninthearmyfortenyear 2 hehasbeento gonetodalianmanytimes 3 shehasgotmarried beenmarriedtorobertsforayear 4 allthepreparationsforthetaskarecompleted havebeencompleted andwe rereadytostart 5 hehasgone beenawayfortwodays 6 hehashad hasboughtthisbookforayear 现在完成时与一般过去时的用法比较现在完成时属于现在时态范围 因此 不能和yesterday lastnight twoweeksago等表示过去的时间状语连用 theplanehasarrived 说明现在的情况 飞机在这儿 theplanearrivedaquarterago 动作发生在过去与现在无关 ihavetaughthereforfifteenyears 表示十五年前的动作一直延续到现在 还可能会继续 itaughthereforayear 曾在这儿教过 但现在不在这儿任教了 comparasion putthefollowingsentencesintoenglish a 火车已经开走了 b 什么时候开走的 a 半个小时之前开走的 a 这本书我已经买了两年了 b 你在哪儿买的 a 在我老家买的 a 你看过这部电影吗 b 看过 a 什么时候看的 b 上周星期天看的 a thetrainhasleft b whendiditleave a itlefthalfanhourago a haveyouseenthefilm b yes ihave a whendidyouseeit b isawitlastsunday a i vehadthebookfor2years b wheredidyoubuyit a iboughtitinmyhometown correctthemistakes hisfatherhasdied for2years thefootballmatchhasbegun since9 00a m thetwinshavejoinedthearmy sincetheyare18yearsold myteacherhasjustleftnanjing for3days hisfatherhasbeendeadfor2years thefootballmatchhasbeenonsince9 00a m thetwinshavebeensoldiers beeninthearmysincetheyare18yearsold myteacherhasbeenawayfromnanjingfor3days makesomesentencesusingthepresentperfecttense competition translation 不累啊 你已跳了三个小时啦 aren tyoutired youhavebeenjumpingforthreehours 她肯定累了 因为她一天一直在跳舞 shemustbetired forshehasbeendancingallday thepresentperfectcontinuoustense partb form have has been doing i sleep sincesveraldaysago haven tbeensleeping connectionwiththepast connectionwiththepresent icouldn tsleepseveraldaysago iamnotsleepingwellnow analysis 分析 意义 过去某时开始一直延续至今的动作 可能还要继续进行表示动作从过去某一时刻开始 一直延续到现在 现在这个动作可能刚刚终止 也可能仍然在进行着 nowthatsheisoutofajob lucy goingbacktoschool butshehasn tdecidedyet a hadconsideredb hasbeenconsideringc consideredd isgoingtoconsider review 链接高考 1 wherehaveyoubeen we foryoueverywhere a lookb werelookingc havebeenlookingd hadbeenlooked2 iwonderwhyjenny usrecently weshouldhaveheardfromherbynow a hasn twrittenb doesn twritec won twrited hadn twritten gothroughtheexplanationsonpage10inourbook discussthedifferencesbetweenthepresentperfecttenseandthepresentperfectcontinuoustense comparison comparison 1 thetelephone ring forquiteawhile why anyone answer it 2 they practise thesongofwelcometobeijingforsometimenow buttheystill notget itright hasbeenringing havenotgot ha