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（冀教版）六年级英语下册课件unit4Lesson27Iremembergo(went)buy(bought)see(saw)talk(talked)say(said)want(wanted)laugh(laughed)ask(asked)get(got)have(had)win(won)lose(lost)play(played)invite(invited)知识结构一般过去时构成用法常用时间动词的过去式1、表示过去某个时间发生的动作或存在的状态。2、表示过去经常或反复发生的动作。yesterdaylastnightin1990twodaysago动词过去式的构成规则动词不规则动词构成读音规则动词过去式的构成构成规则例词1、一般在动词原形末尾加–edlooklookedplayplayed2、结尾是e的动词加--dlikelikedinviteinvited3、末尾只有一个辅音字母的重读闭音节词，先双写这个辅音字母，再加—edstopstopped4、结尾是“辅音字母+y”的动词，先变“y”为“i”再加—edstudystudied清念/t/,元浊/d/;/t//d/之后念/id/规则动词词-ed的读音说明：1、清念/t/，即ed在清辅音后面念/t/,例：askedhelpedlaughedtalked2、元浊/d/,即ed在元音，浊辅音后面念/d/,例：playedcalled3、/t//d/之后念/id/,即ed在/t//d/音后面念/id/例：wantedneeded不规则动词表原形过去式am/iswasareweretaketooktelltoldbringbroughtbuyboughtloselostputput原形过去式gowenthavehaddodidseesawsaysaidwinwongetgotreadreadDoyoulikemybaby?Didyoulikemybaby?YesterdaytodayCleanedcleanWashedwashTalkedtalkWantedwantLaughedlaugh本课主要知识点规则与不规则动词变化汇总:amis(was)are(were)become(became)begin(began)bite(bit)blow(blew)buy(bought)catch(caught)come(came)dig(dug)do(dig)draw(drew)drive(drove)eat(ate)fall(fell)feed(fed)fell(felt)fly(flew)forget(forgot)get(got)give(gave)go(went)grow(grew)havehas(had)ride(rode)know(knew)keep(kept)make(made)meet(met)run(ran)say(said)see(saw)sing(sang)sit(sat)课堂练习1．填出下列单词过去式：cleanwashtalkwantlaughamisare2．运用单词正确时态填空I-----(go)toschoolbybikeyesterday.Dannyusually------(go)toschoolbybus.Theynever-----（go）toschooonfoot.