小学一般过去时.ppt

《小学一般过去时.ppt》由会员上传分享，免费在线阅读，更多相关内容在教育资源-天天文库。

1、pastnowfuture一般过去式动词及否定疑问句变化Hehereyesterday.(be)wasIupat6:00yesterdaymorning.(get)gotyouagoodtimelastSunday?(have)DidhaveMyfatheroftentoworkbybuslastyear.(go)wentIoftentopopmusic3yearsago.(listen)listenedHeusuallyinthepoolin2002.(swim)swam一般过去时TheSimplePastTense3.结构1.概念2

2、.时间主语+动词的过去式表示过去某个时间发生的动作或存在的状态。yesterday(…)lastnightin1990twodaysagojustnow=amomentagonowpastfuture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—edstopplans

3、toppedplanned4.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→let（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”riderodedrivedrov

4、e5.结尾变成“ought”或“aught”thinkthoughtbuyboughtbringbroughtcatchcaught6.“ow”或“aw”变成“”ewknowknewthrowthrewdrawdrew7.结尾”d”变“t”buildbuiltspendspent剩余不规则动词剩余不规则动词表InfinitivePastTenseam,isaredogohavemakegetInfinitivePastTenseeatsayseestandfindwasweredidwenthadmadegotatesaidsawsto

5、odfoundplayplayeduseusedplanplannedstudystudiedworryworriedstopstoppedhopehopedputputletletreadreadcutcutcomecamegivegavedrinkdrankbeginbegansleepsleptkeepkeptfeelfeltriderodedrivedrovecatchcaughtthinkthoughtknowknewdrawdrewbuildbuiltdogohavemakegetdidwenthadmadegoteatsa

6、yseestandfindatesaidsawstoodfound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：→Hewasnotintheparkthedaybeforeyesterday.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

7、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:Theymadeakiteaweekago.否定句：Theydidn’tmakeakiteaweekago.肯定句：Hewasillyesterday.否定句：Hewasnotillyeste

8、rday.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。（