教学目标与要求1,知识目标:能够听、说、读、写动词短语的过去式。2,能力目标:学生能用句型表述他人在过去某一时间发生的情况或动作。3,情感目标:使学生学会与他人进行合作、交流。教学重点重点掌握一般过去时的表达方式。教学难点:重读闭音节动词过去式的变化。教学步骤及说明Step1:warmup1.T:Whatdoyouusuallydoontheweekend?S:Iusually……(通过师生对话,直接引出词组)T:Whatdidyoudoatlastweekend?S:I……一,概念表示在过去某个时间里所发生的动作或存在的状态。通常在句子里找到表示过去时间的词或词组。如:yesterday,yesterdaymorning,yesterdayafternoon,yesterdayevening,thedaybeforeyesterday,lastnight,lastweek,lastmonth,lastyear,amomentago,justnow,twodaysago,aweekago,in1990等。如:Iwenttobedatelevenlastnight.昨晚我11:00睡觉。二动词过去式的构成规律(一)规则动词的过去式1,一般情况下,在动词原形后面加-ed;Look---lookedplay----playedstart---startedvisit—visited2,以不发音e结尾的动词,在词尾直接加-d;Live—liveduse---used3,以“辅音字母+y”结尾的动词,先将y改成i,再加–ed;Study---studiedtry—triedfly---flied4,以重读闭音节(即辅音+元音+辅音)或r音节结尾,末尾只有一个辅音字母的动词,要先双写这个辅音字母后,再加–ed。Stop---stoppedplan---plannedpreferred(二)不规则动词的过去式1改变动词中的元音;Begin---begandrink---drankcome---cameeat---ateGrow---grewrun---ranknow---knewwin---wonspeak---spokeTake---tookwrite---wroteget---got2变词尾的-d为-tBuild---builtlend---lentsend---sentspend--spentbend--bent3与动词原形一样;Cut---cutput---putcost----costhurt---hurtshut---shut4变-ay为—aid(少数动词)Say---saidpay---paidlay---laid5采用不同词根;Sell---soldteach----taughtbuy----bought6其他Am/is---wasare---werehave/has---haddo---did二加–ed后的读音方法1ed加在清辅音后面读/t/Finished/-t/help/-t/asked/-t/2ed加在浊辅音或元音结尾的,读/d/Played/-d/lived/-d/enjoyed/-d/3ed加在/t/或/d/后面,读/id/Wanted/-tid/needed/-did/visited/-tid/过去时练习:写出下列动词的过去式Is\am______fly___plant_____are_____drink_____Play______go____make______does_____dance_____Worry______ask____taste_______eat_____draw_____Put_____throw______kick_______pass_____do______用所给动词的适当形式填空1We_____(live)inJapanlastyear.2Susan_____(stop)thecaronthestreetyesterday.3Mymother____(clean)myroomandI_____(study)fortheEnglishtestlastSunday.4What____you_____(do)lastnight?5OnSaturdaymorningI____(play)football二用括号内所给动词的适当形式填空(1)May_____(finish)herhomeworkverylateyesterdayevening.(2)HanMei_____(bring)herpettotheparkthatday.(3)Hisfather______(buy)anewcomputerforhimlastweek(4)MissDu______(walk)toworkeverydaylastterm.(5)We____(move)toShenyang8yearsago.(6)_____you_________(have)breadforbreakfastthismorning?(7)She_______(give)meanicepresentlastnight.(8)Thepolice______(stop)thecarand_____(catch)thethief(小偷)justnow.(9)Tom____(carry)waterfortheoldmanlastSaturday.(10)UncleWang______(come)intotheroomand______(find)somethingtoeat.(11)Lily______(study)intheclassroomfortwohoursandthen____(leave).(12)Jimmy______(do)alottoday.He______(go)shoppingand_____(cook)supper.(13)We_____(go)tothecinemalastnight.Thefilm_____(be)verygood.(14)Whattime______you________(get)toschoolthismorning?三句子变化(一)一般过去时的一般疑问句1.把was,were放在句首,其余位置不变。由Was…?引导的一般疑问句,肯定答为:Yes,…was.否定回答为:No,…wasn’t由Were…?引导的一般疑问句,肯定回答为:Yes,…were.否定回答为:No,…weren’t.如:(1)IwasborninShanghai.----WereyouborninShanghai?---Yes,Iwas.(肯定回答)----No,Iwasn’t(否定回答)(2)TheywereinLiYan’shomelastnight.----WeretheyinLiYan’shomelastnight?--Yes,theywere.(肯定回答)--No,theyweren’t(否定回答)2.在行为动词的句子中,要用助动词did来引导,其余的语序不变。要注意的是,要把行为动词的过去式改为原形。肯定回答为:Yes,…did否定No,…didn’t.如:Johnplayedcomputergameslastnight.---DidJohnplaycomputergameslastnight?Yes,hedid.No,hedidn’t(二)一般过去时的否定句1在表示过去存在的状态的句子中,相接在was,were的后面加上not。如:(1)Hewasintheparkthedaybeforeyesterday.Hewasnotintheparkthedaybeforeyesterday.(2)Wewerebusylastweek.Wewerenotbusylastweek.2在表示过去的时间发生的动作的句子中,要在行为动词的前面加助动词didn’t.然后把过去式的行为动词改为动词原形。即:didn’t+动词原形。如(1)Sheplayedtheviolinlastnight.Shedidn’tplaytheviolinlastnight.(2)Theyswaminthelakeyesterday.Theydidn’tswiminthelakeyesterday.(三)一般过去式的特殊疑问句1.Whatdid…?(主要是询问过去发生了什么事情,注意要把过去式改为动原形。)WeateChinesefoodlastnight.Whatdidweeatlastnight?2.Wheredid?(主要是询问过去事情发生的地方)Theysanganddanceinthemusicroomyesterdaymorning.Wheredidtheysinganddanceyesterdaymorning?3.Who+动词过去式…?(主要是询问过去事情发生的人物)MikeandTomclimbedmountainslastweekend.Whoclimbedmountainslastweekend?四句子结构1在表示某个时间里存在的状态的句子,系动词用过去式was,were构成。如:(1)Iwasathomeyesterday.昨天我在家。(2)Wewereinthegymjustnow.刚才我们在体育馆、2在表示过去某个时间里发生的动作,用动词的过去式构成。如:Ivisitedmyuncleyesterday.昨天我拜访了我的叔叔。3各种句式(1)一般过去时的肯定陈述句:主语+动词过去式+宾语或表语。HeworkedinShanghaitenyearsago.(2)一般过去时的否定句:a.主语+didn’t+动词原形+宾语。(did+not=didn’t)Hedidn’tdomorningexercisesyesterday.b.主语+wasn’t/weren’t+表语。(was+not=wasn’twere+not=weren’t)(3)一般过去时的一般疑问句:a.Did+主语+动词原形+宾语?DidyoustudyEnglishin`1990?b.Was/Were+主语+表语?Washeapupilfiveyearsago?(4)一般过去时的特殊疑问句:a特殊疑问词+did+主语+动词原形+宾语?Wheredidyourparentslivefiveyearsago?WhatdidyoudolastSunday?b特殊疑问词+were/was+表语?Whowasatthezooyesterday?