【范文】Unit1 Tales of the unexplained—grammar教案

Unit1 Tales of the unexplained—
grammar教案
Unit1Talesoftheunexplained—grammar教案PresentperfecttenseTeachingaim:Togiveabriefintroduc tiontothepresentperfecttenseTeachingprocedures:1Goo verthenewsstoryonPage2andfindthesentencesusingthepr esentperfecttense.
Pleaseexplainwhythetenseisusedinthesesentences.2The formofthepresentperfecttense3Talkabouttheusesofthep resentperfecttenseAweusethepresentperfecttensetotal kaboutthingsthathappenedintherecentpast,butareconne ctedtothepresent.Thedisappearanceofjustinhasmadekel lyveryunhappy.Bwealsousethepresentperfecttensetotal kaboutsomethingthatstartedinthepast,andisstillhappe ningnow.IhavenotseenjustinsincelastFridaynight.cweu sethepresentperfecttensewhentheexacttimeofanactioni snotclearorimportant.weuseitwithtimeexpressionssuch as:
already
ever
for
just
lately
never
recently
since
yetweusealreadyforaffirmativestatementsandyetforneg ativestatements.weusefor+aperiodoftimeandsince+apoi ntintime.Dweusethepresentperfecttensetotalkaboutact ionsthatwerecompletedonlyashorttimeago.Inthiscase,j ustisused.Payattentiontothepositionofjust.Hehasjust goneout.weusethepresentperfecttenseheretotellothers thatheisn’therenow.Ihavejustheardthenews.Ewecanalsousethepres entperfecttenseforrepeatedactions,thatis,weusethepr esentperfecttensewiththetimeexpressionsonce/twice/t hreetimes…FActionsoccurringinanincompleteperiodmightbeindicat edbytodayorthismorning/afternoon/evening/week/month /year/centuryorallday/night/week,allthetime,alwayse tc.Tomhasrungupthreetimesthismorning.Tomrangupthree pletethefollowingsentenceswitht
hepropertense.
AwehavestudiedEnglishforaboutfiveyears.
BTheyhavelivedinthesouthsincetheirdaughterwasborn.
cIhavereadyourarticlethreetimes.It’swellwritten.
DThestudenthasfinishedherhomeworkalready.
EErichasgonebacktohishometowntoday.
FThepolicehavejustfinishedsearchingthearea.4compare thesimplepasttenseandthepresentperfecttense
Lookatthefollowingsentencesandpointoutwhattenseorte nsesareusedinthemandthereasonswhytheyareused.
AwehavestudiedEnglishforaboutfiveyears.webegantostu dyitfiveyearsago.
BTheymovedtothesouthin1990andhavelivedtheresincethe n.cEriclefthomelastyearandhasjustcomeback.
Ejustinhasbeenawayfromhomeforseveraldays.Hedisappea redlastFriday.
FTheyboughtthishousethreeyearsagoandtheyhavelivedhe resincethen.
Gmybrotherwenttoseemygrandpalastweek.Hehasvisitedhi pletethefollowingsentences:
a‘Haveyouseenmypen?’‘yes,Isawitonyourdeskjustnow.’
b‘Haveyouhaddinner?’‘yes,Ihaditwithmary.’
cHasthepostmancomeyet/thismorning?
DDidthepostmancomethismorning?
EIhaveknownhimforalongtime.
FHello!Ididn’tknowyouwerehereinNanjing.Howlonghaveyoubeenhere?No tes:1)Thepresentperfecttenseisnormallyusedforanacti onwhichlaststhroughoutanincompleteperiod,butwiththe pastsimpletense,weusetimeexpressionswhichafixedpoin tinthepast.c.f.
wehaven’tseenjustinforaweek.
justindisappearedlastweek.
Hehassmokedsinceheleftschool.
Hesmokedforsixmonths.Sometimes,however,theactionfin ishesatthetimeofspeaking.Ithasbeenverycoldlatelybut it’sjustbeginningtogetwarmer.3)onmeetingsomeone,youmay say:Ihaven’tseenyouforages.4)Forapastactionwhosetimeisnotdefin iteandoftenhasaresultinthepresent.Tomhashadabadcarc rash.Tomhadabadcarcrash.Thelifthasbrokendown.Thelif tbrokedown.5
Readthediaryentryandthencompleteitusingthecorrectfo rmsoftheverbsinbrackets.
Answers:
saw
hasvisitedloves
hasn’tvisited
hasswum
hasnevermet
hasdived
hasfound
hasn’tfound
Has,been6AssignmentPeriodTwo
PresentperfectcontinuoustenseTeachingaim:
Togiveabriefintroductiontothepresentperfectcontinuo ustense
Teachingprocedures:
GooverthenewsstoryonPage2andfindthesentencesusingth epresentperfectcontinuoustense.
Pleaseexplainwhythetenseisusedinthesesentences.2The formofthepresentperfectcontinuoustense3Talkaboutthe usesofthepresentperfectcontinuoustensewesometimesus ethePresentperfectcontinuoustensetotalkaboutactions thatstartedinthepastandarestillcontinuing,orhavejus tfinishedbutarestillconnectedtothepresentinsomeway. AI’vebeenwaitingforanhourandhestillhasn’tturnedup.BI’msosorryI’mlate.Haveyoubeenwaitinglong?GooverPoints1and2onpag e9.4Exercisesonpage9Answers:havebeentalking havebeentaking
havebeenwatching
haveseen
havebeenwriting5comparethepresentperfectandtheprese ntperfectcontinuoustenseLijiahasreadabookaboutStone henge.LijiahasbeenreadingabookaboutStonehenge.Inthe firstsentence,itmeanstheactionreadisn’tstillcontinuing,andLijiaknowswhatthebookisaboutnow
,butinthesecondsentence,itmeanstheactionreadisstill continuing.c.f.I’vecleanedthehouse.
I’vebeencleaningthehouse.ReadPoint1onpage10.Notes:1)I havevisitedEgypttwicethismonth.IhavebeentouringEgyp tfortwomonths.Thepresentperfectcontinuoustensecan’tbeusedwithtimeexpressionssuchastwiceorhowmanytimes
,becauseinthistensetheactioniscontinuous,notstopped andstartedagain.wecanusethepresentperfecttenseforre peatedactions,andthepresentperfectcontinuoustensefo rnon-stopactions.2)Howmanytimeshaveyouswuminthelake
?Howlonghaveyoubeenswimminginthelake?weusuallyuseth epresentperfecttensetoaskquestionsbeginningwithhowm any/much,andthepresentperfectcontinuoustensetoaskqu estionsbeginningwithhowlong.3)I’venevervisitedParis.
I’
vealreadybeentoParis.always,never,yet,alreadyandeve rcan’tbeusedinacontinuoustense.4)Ihavenotbeensleepingwel lsinceIreturnedhome.
I’vebeenwaitingforanhour.wecanuseforandsincewiththeth epresentperfectcontinuoustense.5)Bothpresentperfect tenseandpresentperfectcontinuoustenseAnactionwhichb eganinthepastandisstillcontinuingorhasonlyjustfinis hedcan,withcertainverbs,beexpressedbyeithertheprese ntperfectorpresentperfectcontinuous.Verbswhichcanbe usedinthiswayincludeexpect,hope,learn,lie,live,slee p,sit,study,wait,want,rain,etc.Howlonghaveyoulearnt English?orHowlonghaveyoubeenlearningEnglish?Ithassn owedforalongtime.Ithasbeensnowingforalongtime.6
AstateverboranactionverbIhavehadthiscameraforfiveye ars.
IhavetakenphotosofUFoswiththiscamera.
IhavebeentakingphotosofUFoswiththiscamera.Anactionm eanssomethinghappeningorchanging.Astatemeanssomethi
ngstayingthesame.Someexamplesofactionverbsaredo,go, andplay.Someexamplesofstateverbsarelike,knowandexis t.Astateverbdoesn’tmeananaction,soitcan’tbeusedinacontinuoustense.They’vealwayshadabiggarden.Howlonghaveyouknowneachother? He’sbeeninhospitalsincehisaccident.7Exercisesonpage11: Answersonpage11Aheard
beendoing
beenresearching
beendoing
started
doneread
found
started
beendoing
beenmakingSampleanswersB1Hehasbeenwaitingatanunderg roundstation.
2TheyhavebeentravelinginanUFo.Itlookslikeasaucer.
3Theyprobablyhavetalkedtoanimalsorplantsontheeartha swellascreaturesonotherplants.
4Theyhavevisitedmars,Venus,jupiterandsomeotherplane ts.8Assignment。