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、Unit1Talesoftheunexplained●    GrammarandUsagePresentperfecttense1.Usedifferentmethodstopresentthepresentperfecttense.Herearesomeideas:1)Pleaselookatthescreen.Payattentiontothedifferentformsoftheverbs:  2)Let’scompletethefollowingsentences,inwhichthepredicatepartismissing.   W

2、e_____(study)Englishforaboutfiveyears.       They_____(live)inthesouthsincetheirdaughterwasborn.       I_______(read)yourarticlethreetimes.It'swellwritten.        Thestudent________(finish)herhomeworkalready.         Eric__________(go)backtohishometowntoday.          Answers:h

3、avestudied   havelived   haveread   hasfinished   hasgone3)Readthefollowingsentencesandpointoutwhattenseortensesareusedinthemandthereasonswhytheyareused.   WehavestudiedEnglishforaboutfiveyears.Webegantostudyitfiveyearsago.   Theymovedtothesouthin1990andhavelivedtheresincethen

4、.Thestudentisdoingherhomework.Shehasn'tfinishedityet.Ericlefthomelastyearandhasjustcomeback.2.Wemaywonderwhysomeverbscan'tbeusedinthepresentperfecttense.Let’sreadthefollowingsentences,andtrytofinddifferentusagesofsomeverbs.Justinhasbeenawayfromhomeforseveraldays.Hedisappearedl

5、astFriday.Theyboughtthishousethreeyearsagoandtheyhavelivedheresincethen.Mybrotherwenttoseemygrandpalastweek.Hehasvisitedhimthreetimesthismonth.Soyouseewhenanactionhappensoveraperiodoftimethatbeganinthepastandcontinuestothepresent,thepresentperfecttenseisoftenused.Whenanactionh

6、appenedatadefinitetimeinthepast,thepastsimpletenseisoftenused.3.ReadPoints1and2onpage8tomakesurewhythepresentperfecttenseisusedinthesetwosentences.              4.GooverPoint3onpage8tolearnwhattimeexpressionscanbeusedwiththepresentperfecttense.Payattentiontothedifferentusagesb

7、etweenalreadyandyet,orforandsince.5.ReadPoint4onpage8tolearnthatthepresentperfecttensecanbeusedinasituationwheretheactionwascompletedonlyamomentago.Inthiscase,justisused.6.GooverPoints5and6onpage8andnotethatwhenwewanttoexpressarepeatedaction,weusethepresentperfecttensewiththet

8、imeexpressionsonce/twice/threetimes...7.Let’sreadthediaryentr