译林版必修二unit 1 tales of the unexplained Grammar and usage课件（58张）.ppt

unit1talesoftheunexplained grammarandusage revision translatethefollowingsentences 1 美国警方现已加紧对一名15岁男孩的搜索 2 自从上周五晚我就没有看到贾斯丁 3 这次事件引起了公众的极大兴趣 policeinamericahavesteppeduptheirsearchforafifteen year oldboy ihavenotseenjustinsincelastfridaynight thisincidenthasreceivedgreatinterestofthepublic 4 it shappenedtome 5 detectivesampeterson whohastakenchargeofthecase toldjournalists 6 so whilewehavenotdismissedtheidea wearelookingintootherpossibilitiesaswell 我曾经碰到过 负责这一案子的侦探桑姆 彼特逊告诉记者 所以 尽管我们不排除这一想法 但是我们也在调查其它的可能性 weusethepresentperfecttensetosaythatanactionhappenedatanunspecified 未指明的 timebeforenow theexacttimeisnotimportant presentperfecttense theformofpresentperfecttensetheactivevoice summary theaffirmativeform 肯定形式 thenegativeform 否定形式 theinterrogativeform 疑问形式 s havenot hasnot done have has s done s have has done examples a youhaveseenthatmoviemanytimes b haveyouseenthatmoviemanytimes c youhavenotseenthatmoviemanytimes usagesofpresentperfecttense examples thedisappearanceofjustin make kellyveryunhappy hasmade 1 weusethepresentperfecttensetotalkaboutthingsthathappenedintherecentpast butareconnectedtothepresent look thewindowisopen ericopenedthewindowjustnow eric alreadyopen thewindow hasalreadyopened examples myfather be offworksincelastyear hasbeen 2 wealsousethepresentperfecttensetotalkaboutthingsthathappenedinthepast andisstillhappeningnow justingotoutlastfriday hedidn tcomeback i see justinsincelastfriday havenotseen theyboughtthishousethreeyearsago they live heresincethen havelived 1 we study chineseforaboutfouryears 2 myfather be offworksincelastyear 3 yaoming play basketballintheusforalongtime 4 i see himsincelastfriday havestudied hasbeen hasplayed haven tseen exercises 3 weusethepresentperfecttensewhentheexacttimeofanactionisnotclearorimportant weuseitwithtimeexpressionssuchas already ever for just lately never recently since yet weusealreadyforpositivestatementsandyetfornegativestatements weusefor aperiodoftimeandsince apointintime 1 we study englishforaboutfouryears 2 we live inlijimiddleschoolsince2007 3 i notsee marysofar 4 i hear nothingfromhimuptonow 5 he nottalk withmeinthepastfewdays havestudied havelived haven tseen haveheard hasn ttalked exercises 1 theprice recently butidoubtwhetheritwillremainso aincreased bwillincreasechasincreaseddwasgoingtoincrease2 inthepastfewyearsthere greatchangesinourtown aisbwerechavebeendwillbe exercises 1 i have lunchalready 2 hasthetrain arrive yet 3 she wake upyet 4 doctors find thatpeoplewholaughalotlivelonger 5 thedisappearanceofjustin make kellyveryunhappy havehad arrived havefound hasn twoken hasmade exercises myfriendjackhasjustsentmeane mail tellingmeabouthistravelsaroundtheworld he justbe tomounteverestbasecampand see ayetithere heisstillveryexcitedaboutit he visit thegreatpyramidsinegypttoo hesaysthathe love egyptbuthe notvisit allthepyramidsyet hasjustbeen saw hasvisited loves hasn tvisited he swim inlochness butluckilyhe nevermeet thelochnessmonster he dive intheindianoceanmanytimeslookingfortreasure althoughhe find manysunkenships he notfind anytreasure he be tothegreatwallbefore i mnotsure butihave hasswum hasnevermet hasdived hasfound hasn tfound has been examples eric go backtohishometowntoday hasgone 4 weusethepresentperfecttensetotalkaboutactionsthatwerecompletedonlyashorttimeago i read yourarticlethreetimes it swellwritten haveread thestudent notfinish hishomeworkyet hasn tfinished 5 wecanalsousethepresentperfecttenseforrepeatedactions examples somevillagessaythattheyhaveseenufosmanytimes 6 weformthepresenttensewithhave hasandthepastparticipleoftheverb weusethepresentperfectcontinuoustensetoshowthatsomethingstartedinthepastandhascontinuedupuntilnow presentperfectcontinuoustense weformthepresentperfecttensewithhave hasandthepresentparticipleoftheverb has have been 现在分词 formofpresentperfectcontinuoustense ihavebeenwaitingherefortwohours examples themanstartedworkinginthefieldhalfanhourago andheisstillworkingnow theman work inthefieldforhalfanhour hasbeenworking theboystartedhavingdinnerfiveminutesago heisstillhavingdinnernow theboy have dinnersincefiveminutesago hasbeenhaving usagesofpresentperfectcontinuoustense ihavenotbeensleepingwellsinceireturnedhome examples 1 weusethepresentperfectcontinuoustensetotalkaboutactionsthatstartedinthepastandarestillcontinuing i wait foranhourandhestillhasn tturnedup havebeenwaiting kelly sorryi mlate haveyoubeenwaitinglong mavis yes i vebeenwaitingforanhour examples 2 wealsousethepresentperfectcontinuoustensetotalkaboutactionsthathavejustfinishedbutarestillconnectedtothepresentinsomeway havebeenstudying havebeenobserving havebeentalking haveseen havebeentaking havebeenwriting examples howlonghaveyoubeenwaitinghere howmanytimeshaveyoureadthebook 3 weusuallyusethepresentperfecttensetoaskquestionsbeginningwithhowmanyorhowmuch andthepresentperfectcontinuoustensetoaskquestionsbeginningwithhowlong howlonghaveyoubeenswimminginthelake howmanytimeshaveyouswuminthelake 4 wecanuseeitherastateverboranactionverbwiththepresentperfecttensebutweusuallycanonlyuseanactionverbwiththepresentperfectcontinuoustense 常见终止性动词与延续性动词 或状态动词 的对应关系如下 come go arrive reach bedie bedeadclose beclosedbecome beleave beaway from fallasleep beasleepborrow keep begin start beonbuy haveend finish beovermarry bemarriedcatchacold haveacoldjointhearmy beinthearmy 1 shehashadthepenfor2years 2 shehaswrittenmanycompositionswiththispen 3 shehasbeenwritingcompositionswiththispen stateverb actionverb actionverb examples havebeen to 和havegone to 的区别 have hasbeen to 表示 曾经去过 某地 说话时此人很可能不在那里 已经回来 侧重指经历 have hasgone to 表示某人 已经去了 某地 说话时此人在那里 或可能在路上 反正不在这里 doyouknow hehasbeentobeijing 人已回来 可能在这儿 hehasgonetobeijing 人已走 不在这儿 whereisthepersonincharge thepersonincharge tolondon hasgone examples ihavenevervisitedamerica ihavealreadybeentoamerica ihaveneverbeenvisitingamerica examples 5 weusethepresentperfecttense notthepresentperfectcontinuoustense withthewordslikenever yet alreadyandever 1 althoughhehaslivedwithusforyears he usmuchimpression a hadn tleftb didn tleavec doesn tleaved hasn tleft exercises d 2 dadandvicky married a howlongwere beingb howlong havec howlonghave beend howlongdid get c 3 howcanyoupossiblymissthenews it ontvalldaylong a hasbeenb hadbeenc wasd willbe a 4 theoldcouplehavebeenmarriedfor40yearsandneveronce witheachother a theyhadquarreledb theyhavequarreledc havetheyquarreledd hadtheyquarreled c 5 howlong atthejob since1990 a wereyouemployedb haveyoubeenemployedc hadyoubeenemployedd willyoubeenemployed b 6 iwonderwhyjenny usrecently weshouldhaveheardfromherbynow a hasn twrittenb doesn twritec won twrited hadn twritten a formoreexplanationsandexercises clickhere correctthemistakes hisfatherhasdied for2years thefootballmatchhasbegun since9 00a m ihaveboughtthecomputer sinceigraduated hisfatherhasbeendeadfor2years thefootballmatchhasbeenonsince9 00a m ihavehadthecomputersinceigraduated discussthedifferencesbetweenthepresentperfecttenseandthepresentperfectcontinuoustense discussion 1 shakespeare splayhamletintoatleasttendifferentfilmsoverthepastyears a hadbeenmadeb wasmadec hasbeenmaded wouldbemade 2013北京 答案 c 解析 考查动词时态 根据此句标志词overthepastyears应使用现在完成时态 故选c 高考链接 2 ohno we retoolate thetrain that sok we llcatchthenexttraintolondon a wasleavingb hadleftc hasleftd hasbeenleaving 2013山东 答案 c 解析 根据语境 我们太晚了 及后句 没关系 我们可以赶下一趟火车去伦敦 可知火车已经离开 对现在造成影响 故使用现在完成时态 3 haveyouheardabouttherecentelection sure it theonlythingonthenewsforthelastthreedays a wouldbeb isc hasbeend willbe 2013湖南 答案 c 解析 考查动词时态 根据句中标志词forthelastthreedays可知应用现在完成时态 选c 4 whenifirstmetbryanididn tlikehim butimymind havechangedb changec hadchangedd wouldchange 2013新课标i卷 答案 a 解析 考查动词时态 根据句意 我第一次见到bryan时我不喜欢他