小学英语一般过去时课件.ppt

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1、一般过去时第一讲动词变过去式pastnowfuture动词过去式的构成规则动词regularverbs不规则动词irregularverbs规则动词过去式的构成1、一般在动词末尾加–edlookplaystartlookedplayedstarted2、结尾是e的动词只加--dlivehopeuselivedhopedused3.重读闭音节词，先双写这个辅音字母，再加—edstopplanstoppedplanned4.以“辅音字母+y”结尾的词，先变“y”为“i”再加—edstudyworrystudiedworried不规则动词过去式的构成1.过去式与原形一样let→le

2、t（让）put→put(放下）cut→cut（砍，剪）read→read（读）let→let（让）put→put(放下）2.把元音字母变成“a”comecamegivegavedrinkdrankbeginbegan3.中间去“e”末尾加“t”sleepsleptkeepkeptfeelfelt4.把“i”变成“o”riderodedrivedrove5.结尾变成“ought”或“aught”thinkthoughtbuyboughtbringbroughtcatchcaught6.“ow”或“aw”变成“”ewknowknewthrowthrewdrawdrew7.结尾”d”变“

3、t”buildbuiltspendbuilt剩余不规则动词剩余不规则动词表InfinitivePastTenseam,isaredogohavemakegetInfinitivePastTenseeatsayseestandfindwasweredidwenthadmadegotatesaidsawstoodfoundPlayPlayeduseusedplanplannedstudystudiedworryworriedstopstoppedhopehopedputputletletreadreadcutcutcomecamegivegavedrinkdrankbeginbegan

4、sleepsleptkeepkeptfeelfeltriderodedrivedrovecatchcaughtthinkthoughtknowknewdrawdrewbuildbuiltdogohavemakegetdidwenthadmadegoteatsayseestandfindatesaidsawstoodfound一般过去时肯定句变否定句Be动词类否定句实义动词类1．（be动词类）在表示过去存在的状态的句子中在was,were的后面加上not。如：肯定句：Hewasintheparkthedaybeforeyesterday.否定句：→Hewasnotinthepark

5、thedaybeforeyesterday.肯定句：Wewerebusylastweek.否定句：→Wewerenotbusylastweek.2．（行为动词类）要在行为动词的前面加助动词didn’t.然后把动词过去式改为动词原形。即：didn’t+动词原形肯定句：Sheplayedtheviolinlastnight.否定句：→Shedidn’tplaytheviolinlastnight.肯定句：Theyswaminthelakeyesterday.否定句：→Theydidn’tswiminthelakeyesterday.一般过去时否定句练习肯定句:Theymadeakit

6、eaweekago.否定句：Theydidn’tmakeakiteaweekago.肯定句：Hewasillyesterday.否定句：Hewasnotillyesterday.肯定句：Thecatateabirdlastnight.否定句：Thecatdidn’teatabirdlastnight.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。（1）HewasborninShanghai.→WasheborninShanghai?(一般疑问句)→Yes,hewas.(肯定回答)→No,hewasn’t.(否定回答)（2）TheywereinLiYan’sh

7、omelastnight.→WeretheyinLiYan’shomelastnight?（一般疑问句）→Yes,theywere.(肯定回答)→No,theyweren’t.(否定回答)一般过去时一般疑问句及其肯否定回答练习题Theyhadagoodtimeinthepark.一般疑问句：Didtheyhaveagoodtimeinthepark?肯定/否定回答：Yes,theydid.No,theydidn’t.2.Anndidherhomeworkyester