2019-2020年高中英语 Unit1《Tales of the unexplained》Grammar and Usage教案2 牛津译林版必修2

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1、2019-2020年高中英语Unit1《Talesoftheunexplained》GrammarandUsage教案2牛津译林版必修2●    GrammarandUsagePresentperfecttense1.Usedifferentmethodstopresentthepresentperfecttense.Herearesomeideas:1)Pleaselookatthescreen.Payattentiontothedifferentformsoftheverbs:  2)Let’spletethefollowi

2、ngsentences,inwhichthepredicatepartismissing.   We_____(study)Englishforaboutfiveyears.       They_____(live)inthesouthsincetheirdaughterwasborn.       I_______(read)yourarticlethreetimes.It'swellwritten.        Thestudent________(finish)herhomeworkalready.         E

3、ric__________(go)backtohishometowntoday.          Answers:havestudied   havelived   haveread   hasfinished   hasgone3)Readthefollowingsentencesandpointoutwhattenseortensesareusedinthemandthereasonswhytheyareused.   WehavestudiedEnglishforaboutfiveyears.Webegantostudy

4、itfiveyearsago.   Theymovedtothesouthin1990andhavelivedtheresincethen.Thestudentisdoingherhomework.Shehasn'tfinishedityet.Ericlefthomelastyearandhasjusteback.2.Wemaywonderwhysomeverbscan'tbeusedinthepresentperfecttense.Let’sreadthefollowingsentences,andtrytofinddiffe

5、rentusagesofsomeverbs.Justinhasbeenawayfromhomeforseveraldays.HedisappearedlastFriday.Theyboughtthishousethreeyearsagoandtheyhavelivedheresincethen.Mybrotherwenttoseemygrandpalastweek.Hehasvisitedhimthreetimesthismonth.Soyouseewhenanactionhappensoveraperiodoftimethat

6、beganinthepastandcontinuestothepresent,thepresentperfecttenseisoftenused.Whenanactionhappenedatadefinitetimeinthepast,thepastsimpletenseisoftenused.3.ReadPoints1and2onpage8tomakesurewhythepresentperfecttenseisusedinthesetwosentences.              4.GooverPoint3onpage

7、8tolearnwhattimeexpressionscanbeusedwiththepresentperfecttense.Payattentiontothedifferentusagesbetweenalreadyandyet,orforandsince.5.ReadPoint4onpage8tolearnthatthepresentperfecttensecanbeusedinasituationwheretheactionwaspletedonlyamomentago.Inthiscase,justisused.6.Go

8、overPoints5and6onpage8andnotethatwhenwewanttoexpressarepeatedaction,weusethepresentperfecttensewiththetimeexpressionsonce/twice/thr