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一般过去时的用法与结构详解时态和时间•表示：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–ed（掌握）lookWalkpaintplaycleanVisitWantcoughwatchlookedWalkedpaintedplayedcleanedVisitedWantedcoughedwatched2、结尾是e的动词只加--d(了解)livehopeuselivedhopedused3.重读闭音节词，先双写这个辅音字母，再加—edstopPatstoppedPatted(掌握)4.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1.过去式与原形一样(了解)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”comecame（掌握）givegaveBecomebecamedrinkdrank（了解）beginbegan剩余不规则动词剩余不规则动词表InfinitivePastTenseam,isaredogohavemakegetInfinitivePastTenseeatsayseewasweredidwenthadmadegotatesaidsaw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：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)一般过去时1．一般过去时表示过去某个时间发生的动作或存在的状态，常和表示过去的时间状语连用。Yesterday(昨天)，lastnight（昨天晚上），lastweek(上周)LastSunday（上周日）in1990justnow（刚才）,longlongago（很久以前）•（2）TheywereinLiYan’shomelastnight.•→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1.Theyhadagoodtimeinthepark.一般疑问句：Didtheyhaveagoodtimeinthepark?肯定/否定回答：Yes,theydid.No,theydidn’t.2.Anndidherhomeworkyesterdayevening.一般疑问句：DidAnndoherhomeworkyesterdayevening?肯定/否定回答：Yes,shedid.No,shedidn’t.•3.IreadanEnglishbooklastweek.一般疑问句：•DidyoureadanEnglishbooklastweek?肯定/否定回答：Yes,Idid.No,Ididn’t.4.Mybrotherwasintheparkjustnow.•一般疑问句：•Wasyourbrotherintheparkjustnow?肯定/否定回答：Yes,hewas.No,hewasn’t.一般过去时练习题•Herfather_______(read)anewspaperlastnight.•We_________(go)tothezooyesterday.•______you_______(visit)yourrelativeslastSpringFestival?•______he_______(fly)akiteonSunday?•Yes,he______.It______(be)Ben’sbirthdaylastFriday.•Weall______(have)agoodtimelastnight.•He_________(live)inWuxitwoyearsago.•Thecat________(eat)abirdlastnight.readwentDidvisitwashadlivedateDidflydid