高中英语 unit1《tales of unexplained》-grammar and usage教案 牛津译林版必修2

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1、《talesofunexplained》-grammarandusagePresentperfecttense1.Usedifferentmethodstopresentthepresentperfecttense.Herearesomeideas:1)Pleaselookatthescreen.Payattentiontothedifferentformsoftheverbs:  2)Let’scompletethefollowingsentences,inwhichthepredicatepartismissing.   We_____(study)Englishforaboutf

2、iveyears.       They_____(live)inthesouthsincetheirdaughterwasborn.       I_______(read)yourarticlethreetimes.It'swellwritten.        Thestudent________(finish)herhomeworkalready.         Eric__________(go)backtohishometowntoday.          Answers:havestudied   havelived   haveread   hasfinished 

3、  hasgone3)Readthefollowingsentencesandpointoutwhattenseortensesareusedinthemandthereasonswhytheyareused.   WehavestudiedEnglishforaboutfiveyears.Webegantostudyitfiveyearsago.   Theymovedtothesouthin1990andhavelivedtheresincethen.Thestudentisdoingherhomework.Shehasn'tfinishedityet.Ericlefthomela

4、styearandhasjustcomeback.2.Wemaywonderwhysomeverbscan'tbeusedinthepresentperfecttense.Let’sreadthefollowingsentences,andtrytofinddifferentusagesofsomeverbs.Justinhasbeenawayfromhomeforseveraldays.HedisappearedlastFriday.Theyboughtthishousethreeyearsagoandtheyhavelivedheresincethen.Mybrotherwentt

5、oseemygrandpalastweek.Hehasvisitedhimthreetimesthismonth.Soyouseewhenanactionhappensoveraperiodoftimethatbeganinthepastandcontinuestothepresent,thepresentperfecttenseisoftenused.Whenanactionhappenedatadefinitetimeinthepast,thepastsimpletenseisoftenused.3.ReadPoints1and2onpage8tomakesurewhythepre

6、sentperfecttenseisusedinthesetwosentences.              4.GooverPoint3onpage8tolearnwhattimeexpressionscanbeusedwiththepresentperfecttense.Payattentiontothedifferentusagesbetweenalreadyandyet,orforandsince.5.ReadPoint4onpage8tolearnthatthepresentperfecttensecanbeusedinasituationwheretheactionwas

7、completedonlyamomentago.Inthiscase,justisused.6.GooverPoints5and6onpage8andnotethatwhenwewanttoexpressarepeatedaction,weusethepresentperfecttensewiththetimeexpressionsonce/twice/threetimes...7.Let’sreadthediaryentryandthenco