高中英语 Unit2《Robots》课件 新人教版选修

动词的时态和语态,Unit2Robots,中学英语的常见时态：,教学大纲要求的常用的8种时态：,累计,三、时态特殊句式,动词的时态,二、易混时态辨析,一、热点时态,综合练习,1.Theyear2002_remarkablechangesinShanghaislandscape.(see),saw,时间状语,呀，不知道你在这儿！以为你在美国！,Oh,Ididntknowyouwerehere.IthoughtyouwereinAmerica.,热点一：一般过去时,2.-Haveyoudecidedalready?-Yes,I_atonce.A.havedecidedB.decidedC.willdecideD.haddecided,1.I_younottomovemydictionary-nowIcannotfindit.（2004全国III）A.askedB.askC.wasaskingD.hadasked,Keyword,context,B,-Yes,I_already.,A,1.-Thewindowisdirty.-Iknow.It_forweeks.A.hasntcleanedB.didntclearC.wasntcleanedD.hasntbeencleaned2.-Wouldyouliketogotothecinemawithmetomorrowafternoon?-Idliketo,Mum,butI_toapartybyJane.Itsherbirthday.A.aminvitedB.wasinvitedC.willbeinvitedD.havebeeninvited,热点二：现在完成时,现在完成时：表示过去发生的动作对现在造成影响和结果.,Thenewsisnosurprisetome,I_forsometimethatthefactoryisgoingtoshutdown.(03北京)A.hadknownB.knowC.haveknownD.knew,过去完成时不能孤立使用，它必须以过去某一时间为基点，即“过去的过去”，因此只有在和过去某时或动作相比较时才用到它。,热点3：过去完成时,2.JohnandI_friendsforeightyears.WefirstgottoknoweachotherataChristmasparty.Butwe_eachotheracoupleoftimesbeforethat.(02北京春)A.hadbeen;haveseenB.havebeen;haveseenC.hadbeen;hadseenD.havebeen;hadseen;,3.我原打算来的，但太忙了。（mean）,Ihadmeanttocome,butIwastoobusy.,hadmeant/planned/intendedtodo,表示过去未曾实现的愿望、打算、想法等。,热点4：过去进行时,1.ThelasttimeIsawJaneshe_cottoninthefields.(pick),waspicking,2.-HasSamfinishedhishomeworktoday?-Ihavenoidea.He_itthismorning.A.didB.hasdoneC.wasdoingD.haddone,过去进行时表示在过去的某个时间点或某个时间段所发生的动作或持续的状态.,3.-WhatwereyoudoingwhenTonyphonedyou?-Ihadjustfinishedmyworkand_totakeashower.A.hadstartedB.startedC.havestartedD.wasstarting,过去进行时表示过去将来.,1.He_abookaboutChinalastyear,butIdontknowifhe_it.A.wrote;hasfinishedB.waswriting;hasfinishedC.waswriting;hadfinishedD.wrote;willfinish,2.Asshe_thenewspaper,Granny_asleep.A.read;wasfallingB.wasreading;fellC.wasreading;wasfallingD.read;fell,1.一般过去时和过去进行时,过去进行时表当时正在进行而尚未完成的动作或状态.,结论:长动作在进行时,被一个短动作打断,长动作用进行体,短动作用一般体.,二、易混时态辨析,2.-Where_you_(put)thebook?Icantseeitanywhere.-I_(put)itrighthere.Butnowitsgone.A.did;put;putB.have;put;putC.did;put;haveputD.have;put;haveput,1.WehaventheardfromJaneforalongtime.Whatdoyousuppose_toher?A.washappeningB.happensC.hashappenedD.happened,2一般过去时与现在完成时,二、易混时态辨析,3.WhenIwasatcollegeI_threeforeignlanguagesbutI_allexceptafewwordsofeach.A.spoke;hadforgottenB.spoke;haveforgottenC.hadspoken;hadforgottenD.hadspoken;haveforgotten,结论:一般过去时所表示的事情纯属过去,与现在情况没联系.现在完成时所表示的事情与现在情况有联系,是过去事情对现在产生的结果或对现在的影响.,MikewaswalkinginthestreetwhenhemetTom.M:-It_2monthssinceIlastsawyou.(be)T:-Ihavejustreturnedfromabroad.M:-Isitthefirsttimeyou_abroad?(be)T:-Yes.Andhardly_I_therewhenIwasstruckbyitsbeauty.(arrive)M:-Howdoyoufindyourtrip?T:-Verygood.Totellthetruth,itsthemostunforgettabletripI_.(everhave)M:Imgladtohearthat.Bytheway,Iamleavingforameetingnow.It_(be)20minutesbeforeit_.(start),is/hasbeen,havebeen,haveeverhad,三、时态的特殊句式,hadarrived,willbe,starts,MikewaswalkinginthestreetwhenhemetTom.M:-Itis/hasbeen2monthssinceIlastsawyou.T:-Ihavejustreturnedfromabroad.M:-Isitthefirsttimeyouhavebeenabroad?T:-Yes.AndhardlyhadIarrivedtherewhenIwasstruckbyitsbeauty.M:-Howdoyoufindyourtrip?T:-Verygood.Totellthetruth,itsthemostunforgettabletripIhaveeverhad.M:Imgladtohearthat.Bytheway,Iamleavingforameetingnow.Itwillbe20minutesbeforeitstarts.,三、时态的特殊句式,Practicemakesperfect.,MissJonesonce_musicatBardonSchoolfortenyearsandnowisanactress.A.hadtaughtB.taughtC.isteachingDhasbeenteaching2.-Doyouoftengotoshanghai?-Yes.I_theretwicelastmonth.A.wasB.wentC.havegoneD.havebeen,3.Icantseemycoffeeinthiscupboard._?A.HasitallbeenfinishedB.WasitallfinishedC.HasitallfinishedD.Diditallfinish4.Thecountrylifehewasusedto_in1992whenacoalminewasopened.A.changeB.haschangedC.changedD.changing,(),5.It_longsincewe_theresultoftheexperiment.It_longbeforewe_theresultoftheexperiment.A.willbe;willknowB.is;willknowC.willbe;knowD.is;knew6.Theworkers_busilywhenthebosscametolookforsomethinghe_intheoffice.A.hadworked,hadleftB.wereworking;hadleftC.working;hadleftD.hadworked;left,C,D,B,能力提升,小崔：六年前，我采访过这一对夫妻。六年没见了，他们有什么变化吗？,白云：崔，听说你抑郁了(sufferfromdepression)，好点了吗？黑土：昨晚睡着了吗？小崔：好多了，一上床就睡着了。黑土/白云（合）：谢天谢地！小崔：大妈，听说去年冬天你在写一本书月子，完成了吗？白云：去年年底就已经完成了。那书可是相当畅