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Howmanytenses(时态)haveyoulearned?FourReviewofFourTensesTeachingaims1.Knowaboutthedefinitions、structuresandsymbolwordsofthefourtenses.2.Usetherighttensesindifferentsentences.3.Developtheabilitiesofsummaryandusage.Leadin1.Enjoythevideo.2.Howmanytensesarethereinthissong?Underlinethem.Examples:1.I'mabigbiggirlinabigbigworld.2.Iwillmissyoumuch.3.Outsideit'snowrainingandtearsarefallingfrommyeyes.4.Whydidithavetohappen?Whydiditallhavetoend?一般现在时一般将来时现在进行时一般过去时时态定义结构标志词动词变三单，变ing形式，变过去式现在进行时：一般现在时：一般过去时：现在正在进行的动作。经常或习惯性的动作或存在的状态。过去某个时间或时间段发生的动作或存在的状态。(ThePresentContinuousTense)(TheSimplePresentTense)(TheSimplePastTense)一般将来时：将来某个时间或时间段发生的动作或存在的状态。(TheSimpleFutureTense)Definitions（定义）判断时态形式：1.Healwayslikesplayingthepiano.()2.WewillhaveanEnglishclassestomorrow.()3.Theyoftengohomelate.()4.Lucydancedthediscoatthepartylastnight.()5.IlikedgoingtothezoowhenIwasyoung.()6.Myteacherisfriendlytous.()7.Look!Theyareplayingfootball.()8.Shewasbornin1990.()9.Ilostmuchmoneylastnight.（）A.现在进行时B.一般现在时C.一般过去时D.一般将来时ABCDBBCCCTest1动词ing形式的构成：动词第三人称单数的构成：动词过去式的构成：①直接加-ing.②辅元辅结尾的重读闭音节，双写最后一个字母加-ing.③以不发音的e结尾去e加-ing.①直接加-s.②以s,x,ch,sh,结尾加-es.③以“辅音+y“结尾变y为i再加-es.①直接加-ed.②以不发音的e结尾只加d.③辅元辅结尾的重读闭音节，双写最后一个字母加，双写最后一个字母再加-ed.④以“辅音+y”结尾变y为i再加-ed.Test2动词变三单：make——push——carry——go——makescarriespushesgoes动词变ing形式：sleep——take——cut——die——sleepingtakingcuttingdying动词变过去式：like——stop——cry——catch——want——sell——likedstoppedcriedcaughtwantedsoldStructures(结构)一般现在时：现在进行时：一般将来时：一般过去时：do/doesbe+V-ingwill+dobegoingtododid用所给动词的适当形式填空。1.Listen!Mary_________(sing)now.2.Ayoungman__________(run)ontheplaygroundnow.3.Mymother_________(watch)TVplayeveryday.4.OldBush________(visit)Chinaagainlastmonth.5.I______(play)sportsthreetimesaday.6.Look!LucyandLily____________(read)books.7.There_______(is)afootballmatchtomorrowafternoon.8.Ourclass______(go)tothezoothreedaysago.issingingisrunningwatchesvisitedplayarereadingwillbewentTest3Symbolwords(标志词)现在进行时：一般现在时:一般过去时:now,Look!Listen!atthistimeIt’s8:00am...always,usually,often,sometimes,seldom,never,everyday,every…lastnight,last…,twodaysago,…ago,in1999,in+过去的年份,justnow，yesterday,yesterdaymorning...一般将来时:tomorrow,nextweek,inaweek，in+时间段，inthefuture...判断下列标志词是属于哪种时态。lastnightnoweverydayLook!yesterdaynextyearListen!twoyearsagoalwaysin2050threetimesaweek一般现在时一般将来时一般过去时现在进行时Test4对比时态动词形式否定句一般疑问句现在进行时一般现在时一般过去时表格对比学习be+v-ing(现在分词）在be后加上notBe提到句首V-原形V-三单在行为v.前借用do,does后加not，行为动词还原在句首加助动词Do,Does,行为动词还原V-ed(过去式）在行为v.前借用did后加not，行为动词还原在句首加助动词Did，行为动词还原一般将来时在will/be后加上notWill/Be提到句首will+v-原形begoingtodo1.Iamdoingmyhomework.2.Iusuallytakethebustowork.3.Theywillhaveclasses.4.Janeplayedtheguitarlastnight.先（一般疑问句）再（否定句）Areyoudoingyourhomework?Iamnotdoingmyhomework.Doyouusuallytakethebustowork?Idon’tusuallytakethebustowork.Willtheyhaveclasses?Theywon’thaveclasses.DidJaneplaytheguitarlastnight?Janedidn’tplaytheguitarlastnight.句型变化操练Test5TorF1.Healwayssleepwithhiswindowsopen.2.Heisdoeshishomeworkintheeveningeveryday.3.Heistwelvenextyear.4.Theywerecomeherethreedaysago.5.Hefishingnow.sleepsFFFFFwillbecameBlankfilling:1.It(rain)hardnow.It(rain)quiteoftenduringthemonthofMarch.2.What_______LiLei(do)lastnight?3.Myparents_________(work)fivedaysaweek.4.There________(be)threebottlesoforangeonthetablejustnow.5.There__________(be)asummerholidayintwoweeks.israiningrainsdiddoworkwerewillbeHomework暑假就要来了，假设你是李明，请用英语写一封电子邮件，向你的美国笔友Mike简单介绍一下你去年是怎样度过暑假的，及今年暑假的计划。60词左右。