动词的时态和语态上课讲义.doc

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1、动词的时态和语态__________________________________________________动词的时态和语态1.Beforethefirstnon-stopflightmadein1949,it______necessaryforallplanestolandforrefueling.a.wouldbeb.hasbeenc.hadbeend.wouldhavebeen2.Onceenvironmentaldamage______,ittakesmanyyearsforthesystemto

2、recover.a.hasdoneb.istodoc.doesd.isdone3.Untilthen,hisfamily______fromhimforsixmonths.a.didn’thearb.hasn’tbeenhearingc.hasn’theardd.hadn’theard4.Ifshedoesn’ttellhimthetruthnow,he’llsimplykeeponaskingheruntilshe______.a.doesb.hasdonec.willdod.woulddo5.Whilepeo

3、plemayrefertotelevisionforup-to-the-minutenews,itisunlikelythattelevision______thenewspapercompletely.____________________________________________________________________________________________________a.replacedb.havereplacedc.replaced.willreplace1.Sheoughtt

4、ostopwork;shehasaheadachebecauseshe_______toolong.a.hasbeenreadingb.hadreadc.isreadingd.read2.MytrainarrivesinNewYorkateighto’clocktonight.TheplaneIwouldliketotakefromthere______bythen.a.wouldleaveb.willhaveleftc.hasleftd.hadleft3.Athiefwhobrokeintoachurchwas

5、caughtbecausetracesofwax,foundonhisclothes,_____fromthesortofcandlesusedonlyinchurches.a.comeb.thatcamec.comingd.hadcome4.Youshouldhaveputthemilkintheice-box;Iexpectit______undrinkablebynow.a.becameb.hadbecomec.hasbecomed.become_______________________________

6、_____________________________________________________________________1.Wheneverwevisitedthem,they_____television.a.havewatchedb.hadwatchedc.watchd.werewatching2.Hehasbeenlookingeverywhereforyou,andhestill_______.a.doesb.hasbeenc.hasd.is3.Itwasonlyaftersomepro

7、gress_____intheuseanddevelopmentofelectriccurrentthatmenbegantorealizetheimportanceandpossibilitiesofmagnetism.a.wasmadeb.wouldhavebeenmadec.hasbeenmaded.hadbeenmade4.Thecompany______ariseinsalaryforages,butnothinghashappenedyet.a.promisedb.ispromisedc.isprom

8、isingd.hasbeenpromising5.Thisisoneoftherarestquestionsthat_______atsuchameeting.a.haseverbeenraisedb.israisedc.areraisedd.haveeverbeenraised_______________________________________________