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ID:36392177
大小:1.28 MB
页数:24页
时间:2019-05-09
《Unit 3 Who's That Man Part B--一般过去时的知识点》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、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!
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