八下unit9现在完成时态课件

ThePresentPerfectTense(现在完成时态)..现在完成时态的构成:have/has+过去分词!现在完成时的基本用法(一)现在完成时表示过去某时发生的动作到说话时已经完成,对现在产生的影响或结果。可用一个一般过去时和一个一般现在时解释。Shehashadlunch.Sheisfullnow.(现在的情况)Shehaditanhourago.（过去的动作）（现在完成时把过去的动作和现在联系起来并着眼于现在）eg:这种用法一般不带明显的时间状语,但可以already,yet,just,once,twice等副词用eg.Youhavelearnt/edEnglishforoverthreeyears.MrsluohastaughtChineseforabout30years.Hehasdonehishomeworkforanhour.(2)since+时间点/具体的过去时间eg.YouhavelearnedEnglishsince2003.Hehasbeeninthearmyfortenyears.Hehaslivedheresince1977.Hehaslivedherefor29years.(二)未完成用法。表示动作或状态开始于过去，一直延续到现在，这个动作并未结束还会继续延续下去。这种用法一般可以与表示延续性的时间状语连用,如(1)for+数词+时间名词B:since+S(主）+V-ed+others.YouhavelearntEnglishsinceyoucametoNo.1MiddleSchool.从上面的句子可以得出：现在完成时的第二种用法的两种时间状语可以转换，同时还可与一般现在时和一般过去时进行转换.Hehaslivedherefor29years.1977now常用的时间状语：since…,for…,allone’slifeinthepast/lastfewyears,sofar,.for和since的运用对比:for:+一段时间fortwoweeksforthreeyearssince过去的某一时刻sincethensincelastmonth一般过去时态的时间状语从句sincesheleft注意:for和since所引导的时间状语都表示一段时间.Hehasbeenawayforaweek.Hehasbeenawaysincelastweek.对划线部分提问都用HowlongShehaseverbeentoBeijing.(现在已不在北京，从结果上和现在联系起来）3.特殊用法:a.要表示某人曾去过某处，或去过某处多少次。要用have/hasbeento+aplaceb.要表示某人一直在某处。ShehasbeeninBeijingfortwoyears.（现在仍在北京，从时间上和现在联系起来）Ihavebeeninthistownsince1977.c.要表示某人到某地去了。即说话人不在说话的地点。HehasgonetoShanghai.他已经去了上海。Ex:Say“W”or“R”tothefollowingsentences。YouhavegonetoShanghai.()Yourpen-friend,TomhasgonetoShanghai.()IhavegonetoShanghai.()WRWExaminationpoint:Say“W”or“R”tothefollowingsentences.A.Hehasboughtabook.()Hehasn’tboughtanybooksforalongtime.()Hehasboughtthebookfortwoweeks.()Hehashadthebookfortwoweeks.()B.Theoldmanhasdied.()Theoldmanhasdiedfortwoyears.()Theoldmanhasbeendeadfortwoyears.()RRRWRWR结束性动词在陈述句中不能和表示一段时间的时间状语连用,但是可以转换成对应的延续性动词后接时间段.结束性动词与延续性动词的转换:buy–havecatch(get)acold–haveacoldborrow—keepcome/go/become—beputon--wearjointhearmy–beasoldier/beinthearmygotoschool–beastudent/beinschoolfinish–beoverbegin—beonleave—beawayfallsleep–beasleepclose–becloseddie—bedead1.我们买这本书三年了.Wehavehadthebookforthreeyears.2.他感冒三天了.Hehashadacoldforthreedays.Weboughtthebookthreeyearsago.Hecaughtacoldthreedaysago.一般过去时态和现在完成时态同义转换3.我借这本书一周多了.Ihavekeptthebookforaweek.4.我成为一个学生两年多了.Ihavebeenastudentforovertwoyears.Iborrowedthebookaweekago.Ibecameastudenttwoyearsago.5.MrBlack死了三年了。MrBlackhasbeendeadforthreeyears.MrBlackdiedthreeyearsago.1Canyoumakesure___thegoldring?A.whereAlicehadputB.wherehadAliceputC.whereAlicehasputD.wherehasAliceput使用现在完成时表示过去发生的“放”的动作对现在的影响，究竟金戒指现在“在哪里”。2WhenIwasatcollegeI___threeforeignlanguages,butI___allexceptafewwordsofeach.A.spoke;hadforgottenB.spoke;haveforgottenC.hadspoken;hadforgottenD.hadspoken;haveforgotten“但都忘了”是现在的情况，要用现在完成时，强调结果!3----I’msorrytokeepyouwaiting.----Oh,notatall.I___hereforonlyafewminutes.A.havebeenB.hadbeenC.wasD.willbe“(for)onlyafewminutes”说明几分钟前来到了这里，一直到现在。5Mydictionary___.Ihavelookedforiteverywherebutstill___it.A.haslost;don’tfindB.ismissing;don’tfindC.haslost;haven’tfoundD.ismissing;haven’tfound6---Doyouknowourtownatall?---No,thisisthefirsttimeI___here.A.wasB.havebeenC.cameD.amcoming7---Where___therecorder?Ican’tseeitanywhere.---I___itrighthere,butnowit’sgone.A.didyouput;haveputB.haveyouput;putC.hadyouput;haveputD.wereyouputting;haveput8---WhoisJerryCooper?---____?Isawyoushakinghandswithhimatthemeeting.A.Don’tyoumeethimyetB.Hadn’tyoumethimyetC.Didn’tyoumeethimyetD.Haven’tyoumethimyet9Youdon’tneedtodescribeher.I___herseveraltimes.A.hadmetB.havemetC.metD.meet1.You’veneverseensuchawonderfulfilmbefore,_______?Ahaven’tyouBhaveyouCdoyouDdon’tyou2.--AnnhasgonetoShanghai.---So____herparents.AdoBgoneChaveDdone3.–Ihavewatchedthegame.--When____you____it?AhavewatchedBdowatchCdidwatchDwillwatch4.Mr.Green____inChinasincefiveyearsago.AlivedBhaslivedClivesDisgoingtolive5.Hisgrandma______fortwoyears.AdiedBhasbeendeadCwasdeadDhasdied6.Youhaven’tchangedyourmind,_______?AdoyouBareyouChaveyouDdidyou7.---WhereisHanMeinow?---She____toShanghai.Shewillbebackintwodays.AhasgoneBhasbeenCgoesDhadgone8.I’venever_____totheUnitedStated,butIwenttoCanadaafewyearsago.AgoBgoneCgotDbeen9.Howlonghaveyou_____thefootballteamoftheschool?AbeenonBbeenatCjoinedDplayed10.---Wherehaveyou_____thesedays?----Ihave_____toDalianwithmyfriends.Abeen,goneBbeen,beenCgone,beenDgone,gone11.Howlonghaveyou____thisdictionary?AboughtBborrowedChadDlent12.–Excuseme,____youseenthefilmyet?---Yes,I_____itlastnight.Ahave,seeBhave,haveseenChave,seenDhave,saw13.Hehasneverriddenahorsebefore,_____?AisheBisn’tChasn’tDhasheGoodbye!