备选课件外研高一一册module4grammar and usage

Importantsentencepatterns:1.It’sbeensixyearssincewelastsaweachother.2.ThisisthefirsttimeI’vevisitedyourhometown.3.Ifeelveryfortunatelivinghere.What’stheclimatelike?5.Therentforanapartmentisveryhigh.Grammar:thepresentperfecttense

Form:have/hasdoneUsage:1.Anactioncompletedinthepastbutconnectedwiththepresentsituation.2.Anactionbeginninginthepastandstillcontinuing★Todenotecontinuousactionorstate(表持续的动作或状态,常和since或for引导的短语连用).e.g.Ihavelivedhereformorethanthirtyyears.IhavebeenheresincelastOctober.★Todenotethepastrepeatedaction(表过去重复的动作,常和always,often,manytimes,everyday等时间状语连用).e.g.Myfatherhasalwaysgonetoworkbybike.(我父亲一向是骑车上班)Ithasrainedeverydaythisweek.(这个星期天天下雨)

★Todenotethefuture(表将来,尤用在时间状语从句中)e.g.Wearegoingafterwehavehadbreakfast.Iwillwaituntilhehaswrittenhisletter.Cf:

Tense:

thepastindefinitetenseUsage:

adefiniteactioncompletedinthepast1.---Howlongagodidyoupartfromeachother?---It______fiveyearssincewesaidgoodbyetoeachother.A.wasB.wouldbeC.hadbeenD.hasbeen---Whobroketheglass?---Sorry.I_____.havedoneB.didC.brokeD.am√√3.---Howlonghashebeenaway,doyouknow?---Sorry,Ican’ttellexactlywhenhe____,thoughIknowhehasalreadybeenaway.A.wasleavingB.hasleftC.wouldleaveD.left√4.---Howlong_____atthisjob?---Since1990.A.wereyouemployedB.haveyoubeenemployedC.hadyoubeenemployedD.willyoubeemployed√---Howareyoufeelingtoday?---Oh,I____asillasIdonowforaweek.A.didn’tfeelB.wasn’tfeelingC.don’tfeelD.haven’tfelt√Studythefollowingsentences:Whohasopenedthedoor?MywatchhasstoppedTheyhaven’tcompletedthatexperimentyet.4.Hehasalreadyreturnedthatbook.(Anactioncompletedinthepastbutconnectedwiththepresentsituation)5.IhavestudiedEnglishforthreeyears/since1999.6.Hehasworkedinthecompanysincehecametothecity.7.Sofarhehaswrittenfivebooks.(Anactionbeginninginthepastandstillcontinuing)Findthemistakesinthefollowingsentencesandcorrectthem:1.Hehascomebackforthreeweeks.2.Ihavejoinedthearmyfortenyears.(Hecamebackthreeweeksago.Hehasbeenbackforthreeweeks.)(Ihavebeeninthearmyfortenyears.Ijoinedthearmytenyearsago.3.Weachievedgreatsuccessinthepastfewyears.4.Perhapsshemadeseveralfriendsbynow.5.Whenhaveyouboughtthiscomputer?Wehaveachievedgreatsuccessinthepastfewyears.Perhapsshehasmadeseveralfriendsbynow.Whendidyoubuythiscomputer?Sumup:Thefollowingwordsandphrasesoftenappearinthepresentperfecttense.already,just,yet,lately,recently,ever,rarely,since,sofar,uptonow,bynow,inthepasttenyears,duringthepasttenyears,inthelastfewmonths,duringthelastfewmonthsVerbstodescribeeventsthatcancontinueoveraperiodoftime:Know,live,stay,remain2.Verbstodescribeeventsthathappenataparticularpointoftime:

borrow,buy,give,leave,open高考链接1.---____leaveattheendofthismonth.(2006北京)---Idon’tthinkyoushoulddothatuntil____anotherjob.A.I’mgoingto;you’dfoundB.I’mgoingto;you’vefoundC.I’ll;you’llfindD.I’ll;you’dfind√2.Customersareaskedtomakesurethatthey____therightchangebeforeleavingtheshop.(2006重庆)A.willgiveB.havebeengivenC.havegivenD.willbegiven√3.Althoughmedicalscience_____controloverseveraldangerousdiseases,whatworriesusisthatsomeofthemarereturning.(2006江苏)A.achievedB.hasachievedC.willachieveD.hadachieved√4.Iwon’ttellthestudenttheanswertothemathproblemuntilhe____onitformorethananhour.(2006湖北)A.hasbeenworkingB.willhaveworkedC.willhavebeenworkingD.hadworked√5.Theconstructionofthetworailwaylines____bynow.(2006陕西)A.hascompletedB.havecompletedC.havebeencompletedD.hasbeencompleted√6.Myfriend,who____ontheInternationalOlympicCommitteeallhislife,isretiringnextmonth.(2006浙江)A.servedB.isservingC.hadservedD.hasserved√7.TheyhadbeenworkingontheprogramforalmostoneweeksbeforeIjoinedthem,andnowwe_____onitasnogoodresults_____sofar.(2005江苏)A.arestillworking,comeoutB.werestillworking,comeoutC.haveworked,havecomeoutD.arestillworking,havecomeout√有人把窗户打破了。2)他到过许多国家。3)自从我来到这所学校，她一直教我。Someonehasbrokenthewindow.Hehasbeentomanycountries.ShehasbeenteachingmesinceIcametothisschool.4)我有三个月没买过任何东西。5)雨还没有停，你怎么能走呢？6)他们晚饭后经常下棋。Ihaven’tboughtanythingfor