Unit 3 Who's That Man Part B--一般过去时的知识点

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1、Unit3Who'sThatManPartB--一般过去时一般过去时动词变过去式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–edlookWalkpaintplaycleanVisitWantcoughwatchlookedWalkedpaintedplayedcleanedVisitedWantedcoughedwatched2、结尾是e的动词只加--dlivehopeuselivedhopedus

2、ed3.重读闭音节词，先双写这个辅音字母，再加—edstoppatstoppedpatted4.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let→let（让）put→put(放下）cut→cut（砍，剪）read→read（读）2.把元音字母变成“a”comecamegivegavebecomebecamedrinkdrankbeginbegan剩余不

3、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：→Hewasnotintheparkthedaybefor

4、eyesterday.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

5、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

6、疑问句)→Yes,hewas.(肯定回答)→No,hewasn’t.(否定回答)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

7、回答)→No,theyweren’t.(否定回答)Thankyou!