小学英语一般过去时.ppt
时态和时间表示:pastnowfuture03irregularverbs不规则动词02regularverbs规则动词01的构成动词过去式规则动词
过去式的构成1、一般在动词末尾加–ed(掌握)lookedWalkedpaintedplayedcleanedVisitedWantedcoughedwatchedlivehopeuse结尾是e的动词只加--d(了解)livedhopedusedstoppedPatted(掌握)stopPat重读闭音节词,先双写这个辅音字母,再加—ed以“辅音字母+y”结尾的词,先变“y”为“i”再加—edstudyWorryEarlyHappystudyiedWorryiedEarlyiedHappyied不规则动词
过去式的构成过去式与原形一样(了解)01let→let(让)02put→put(放下)03cut→cut(砍,剪)04read→read(读)05let→let(让)06put→put(放下)07把元音字母变成“a”comecame(掌握)givegaveBecomebecamedrinkdrank(了解)beginbegan剩余不规则动词剩余不规则动词表InfinitivePastTenseam,isaredogohavemakegetwasweredidwenthadmadegotatesaidsaw一般过去时
肯定句变否定句01Be动词类02否定句03实义动词类如:肯定句:Hewasintheparkthedaybeforeyesterday.否定句:→Hewasnotintheparkthedaybeforeyesterday.肯定句:Wewerebusylastweek.否定句:→Wewerenotbusylastweek.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01020304肯定句:Theymadeakiteaweekago.肯定句:Hewasillyesterday.肯定句:Thecatateabirdlastnight.否定句:Theydidn’tmakeakiteaweekago.否定句:Hewasnotillyesterday.否定句:Thecatdidn’teatabirdlastnight.0506一般过去时的
一般疑问句1.把was,were放在句首,其余位置不变。→No,hewasn’t.(否定回答)3124HewasborninShanghai.→WasheborninShanghai?(一般疑问句)→Yes,hewas.(肯定回答)