知识学习Unit1 Tales of the unexplainedgrammar教案.docx
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知识学习Unit1 Tales of the unexplainedgrammar教案.docx
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知识学习Unit1Talesoftheunexplainedgrammar教案
Unit1Talesoftheunexplained—grammar教案
Unit1Talesoftheunexplained—grammar教案PresentperfecttenseTeachingaim:
TogiveabriefintroductiontothepresentperfecttenseTeachingprocedures:
1GooverthenewsstoryonPage2andfindthesentencesusingthepresentperfecttense.
Pleaseexplainwhythetenseisusedinthesesentences.2Theformofthepresentperfecttense3TalkabouttheusesofthepresentperfecttenseAweusethepresentperfecttensetotalkaboutthingsthathappenedintherecentpast,butareconnectedtothepresent.Thedisappearanceofjustinhasmadekellyveryunhappy.Bwealsousethepresentperfecttensetotalkaboutsomethingthatstartedinthepast,andisstillhappeningnow.IhavenotseenjustinsincelastFridaynight.cweusethepresentperfecttensewhentheexacttimeofanactionisnotclearorimportant.weuseitwithtimeexpressionssuchas:
already
ever
for
just
lately
never
recently
since
yetweusealreadyforaffirmativestatementsandyetfornegativestatements.weusefor+aperiodoftimeandsince+apointintime.Dweusethepresentperfecttensetotalkaboutactionsthatwerecompletedonlyashorttimeago.Inthiscase,justisused.Payattentiontothepositionofjust.Hehasjustgoneout.weusethepresentperfecttenseheretotellothersthatheisn’therenow.Ihavejustheardthenews.Ewecanalsousethepresentperfecttenseforrepeatedactions,thatis,weusethepresentperfecttensewiththetimeexpressionsonce/twice/threetimes…FActionsoccurringinanincompleteperiodmightbeindicatedbytodayorthismorning/afternoon/evening/week/month/year/centuryorallday/night/week,allthetime,alwaysetc.Tomhasrungupthreetimesthismorning.Tpletethefollowingsentenceswiththepropertense.
AwehavestudiedEnglishforaboutfiveyears.
BTheyhavelivedinthesouthsincetheirdaughterwasborn.
cIhavereadyourarticlethreetimes.It’swellwritten.
DThestudenthasfinishedherhomeworkalready.
EErichasgonebacktohishometowntoday.
FThepolicehavejustfinishedsearchingthearea.4comparethesimplepasttenseandthepresentperfecttense
Lookatthefollowingsentencesandpointoutwhattenseortensesareusedinthemandthereasonswhytheyareused.
AwehavestudiedEnglishforaboutfiveyears.webegantostudyitfiveyearsago.
BTheymovedtothesouthin1990andhavelivedtheresincethen.cEriclefthomelastyearandhasjustcomeback.
Ejustinhasbeenawayfromhomeforseveraldays.HedisappearedlastFriday.
FTheyboughtthishousethreeyearsagoandtheyhavelivedheresincethen.
Gmybrotherwenttoseemygrandpalastweek.Hpletethefollowingsentences:
a‘Haveyouseenmypen?
’‘yes,Isawitonyourdeskjustnow.’
b‘Haveyouhaddinner?
’‘yes,Ihaditwithmary.’
cHasthepostmancomeyet/thismorning?
DDidthepostmancomethismorning?
EIhaveknownhimforalongtime.
FHello!
Ididn’tknowyouwerehereinNanjing.Howlonghaveyoubeenhere?
Notes:
1)Thepresentperfecttenseisnormallyusedforanactionwhichlaststhroughoutanincompleteperiod,butwiththepastsimpletense,weusetimeexpressionswhichafixedpointinthepast.c.f.
wehaven’tseenjustinforaweek.
justindisappearedlastweek.
Hehassmokedsinceheleftschool.
Hesmokedforsixmonths.Sometimes,however,theactionfinishesatthetimeofspeaking.Ithasbeenverycoldlatelybutit’sjustbeginningtogetwarmer.3)onmeetingsomeone,youmaysay:
Ihaven’tseenyouforages.4)Forapastactionwhosetimeisnotdefiniteandoftenhasaresultinthepresent.Tomhashadabadcarcrash.Tomhadabadcarcrash.Thelifthasbrokendown.Theliftbrokedown.5
Readthediaryentryandthencompleteitusingthecorrectformsoftheverbsinbrackets.
Answers:
saw
hasvisitedloves
hasn’tvisited
hasswum
hasnevermet
hasdived
hasfound
hasn’tfound
Has,been6AssignmentPeriodTwo
PresentperfectcontinuoustenseTeachingaim:
Togiveabriefintroductiontothepresentperfectcontinuoustense
Teachingprocedures:
GooverthenewsstoryonPage2andfindthesentencesusingthepresentperfectcontinuoustense.
Pleaseexplainwhythetenseisusedinthesesentences.2Theformofthepresentperfectcontinuoustense3TalkabouttheusesofthepresentperfectcontinuoustensewesometimesusethePresentperfectcontinuoustensetotalkaboutactionsthatstartedinthepastandarestillcontinuing,orhavejustfinishedbutarestillconnectedtothepresentinsomeway.AI’vebeenwaitingforanhourandhestillhasn’tturnedup.BI’msosorryI’mlate.Haveyoubeenwaitinglong?
GooverPoints1and2onpage9.4Exercisesonpage9Answers:
havebeentalking
havebeentaking
havebeenwatching
haveseen
havebeenwriting5comparethepresentperfectandthepresentperfectcontinuoustenseLijiahasreadabookaboutStonehenge.LijiahasbeenreadingabookaboutStonehenge.Inthefirstsentence,itmeanstheactionreadisn’tstillcontinuing,andLijiaknowswhatthebookisaboutnow,butinthesecondsentence,itmeanstheactionreadisstillcontinuing.c.f.I’vecleanedthehouse.
I’vebeencleaningthehouse.ReadPoint1onpage10.Notes:
1)IhavevisitedEgypttwicethismonth.IhavebeentouringEgyptfortwomonths.Thepresentperfectcontinuoustensecan’tbeusedwithtimeexpressionssuchastwiceorhowmanytimes,becauseinthistensetheactioniscontinuous,notstoppedandstartedagain.wecanusethepresentperfecttenseforrepeatedactions,andthepresentperfectcontinuoust
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