【文档说明】一般过去时-专题讲解课件.ppt,共(17)页,313.000 KB,由小橙橙上传
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小学英语一般过去时态专题(一)一般过去时的用法1.通常表示过去发生的而现在已经结束的事件、动作或情况。Eg.Samphonedamomentago.Igotupateightthismorning.2.还可以表示刚刚发生的事情
而没说明时间。Eg.Didthetelephonering?Wholeftthedooropen?3.也可以表示过去的习惯性动作。Eg.Ismoked40cigarettesadaytillIgaveup.(二)一般过去时的构成:1.有be的句子
am/is—wasare—wereeg.肯定句:Hewasacook2yearsago.Theywereatschoolyesterday.否定句:Hewasnotacook2yearsago.Theywerenotatschoolyesterday
.一般疑问句:Washeacook2yearsago?Yes,hewas.No,hewasn’t.Weretheyatschoolyesterday?Yes,theywere.No,theyweren’t.2.行为动词的一般过去式。A.规则动词的变化规则:(1)一般动词
直接加-ed(2)以e结尾的动词直接加-d(3)以辅音字母加y结尾的变y为i再加ed(4)以重读闭音节结尾,词尾只有一个辅音字母,双写最后这个辅音字母,再加edB.规则动词过去式的发音:在清辅音后读/t/,在元音和浊辅音后读/d/,在辅音/t/
,/d/后读/id/。C.不规则动词变化需参看不规则动词表逐一熟记。(一般和过去分词一起记忆)。D.基本句式:常用时间常与一般过去时态连用的时间有:yesterdayyesterdaymorning(afternoon,evening…)las
tnight(week,month,year…)twodaysago,aweekago,threeyearsago…in1990,(in1998…)(三)典型例题----Yourphonenumberagain?I___quitecatchit.----It's6956844
2.A.didn'tB.couldn'tC.don'tD.can't答案A.本句虽没有明确的时间状语,但从语意上看出,在听的时候没有听懂这个动作发生在过去,因此应用过去时。PRACTISE改写句子:1、Lucydidherhom
eworkathome.(改否定句)Lucy______________herhomeworkathome.2、Hefoundsomemeatinthefridge.(变一般疑问句)______he___________meatin
thefridge?3、Shestayedthereforaweek.(对划线部分提问)_________________she_____there?4、Therewassomeorangeinthecup.(变一般疑问句)_
____there_____orangeinthecup?didn’tdoDidfindanyHowlongdidstayWasanyThat’sgreat√(四)课堂练习一.单选。1.Heusuallygoesto
schoolbybus,butyesterdayheataxi.A.takesB.tookC.getsonD.goton2.IsomebooksaboutAmerianhistoryfromourlibrarylastweek.A.bo
rrowedB.tookC.broughtD.lent3.Itwaswarm,soImycoat.A.putonB.putupC.tookoffD.takeoff4.Thewindowwasopenandabirdintomyroom.
A.fliesB.flysC.flyedD.flew5.BothmyparentsborninTianjinandIborninShanghai.A.are,amB.was,wereC.were,wasD.did,did句型转换1.XiaoLinwentfishin
gthismorning.(改为一般疑问句)2.Wevisitedourteacherlastnight.(就划线部分提问)3.Hehadlunchatschool.(改为否定句)4.Therewassomem
ilkinthebottle.(就划线部分提问)5.Hewenttothatcitywithhisuncle.(改为一般疑问句)不规则动词表InfinitivePasttenseamiswasarewerebeginbegunbreakbrokebringbroughtbuildbuilt
buyboughtcancouldInfinitivePasttensecatchcaughtcomecamedodiddrawdrewdrinkdrankdrivedroveeatatefallfellwant--wantedask—askedvisit—visit
edturn—turnedclimb—climbedjump—jumpedsnow—snowed想要问参观变爬跳下雪live--livedagree—agreedhave—haddo—didspend—spentsing—sanggive—gave居住同意有做花费唱给tell—toldco
me—camesay—saidswim—swamfind–foundgo--wentbecome--became告诉来说游泳发现去成为