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1、Lesson 20 Looking at PhotosDo you remember?你记得吗？What are you doing,Li Ming?你正在做什么李明？Im getting ready to go home next week.我正在为下周回家做准备。Look!I found these photos!看！我发现了这些照片！find/faind/v.发现，找到 过去式为foundMay I see them?我可以看看他们吗？Sure.当然。Danny is _ and _,but he _too_to_ the basketball.He _To play basketbal
2、l with a_ball.stronghealthywasweakthrowwantedping-ponggo(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)一般过去式一般过去式规则动词不规则动词构成读音知识结构知识结构构成构成用法用法常用时间常用时间动词的过去式动词的过去式1 1、表示过去某个时间发生、表示过去某个时间发生 的动作或存在的状态。的动作或存
3、在的状态。2 2、表示过去经常或反复发、表示过去经常或反复发 生的动作。生的动作。yesterdaylast nightin 1990two days ago规则动词过去式的构成规则动词过去式的构成构成规则构成规则例词例词1、一般在动词原形末尾加 ed look looked play played2、结尾是 e 的动词加-d like liked invite invited3、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ed stop stopped4、结尾是“辅音字母+y”的动词，先变“y”为“i”再加ed study studied规则动词词规则动词词-ed的读音的
4、读音说明：1、清念/t/，即 ed 在清辅音后面念/t/,例：asked helped laughed talked2、元浊/d/,即 ed 在元音，浊辅音后面念/d/,例：played called 3、/t/d/之后念/id/,即 ed 在/t/d/音后面念/id/例：wanted needed不规则动词表不规则动词表原形原形 过去式过去式am/is wasare weretake tooktell toldbring broughtbuy bought lose lostput put原形原形 过去式过去式go wenthave haddo didsee sawsay saidwin w
5、onget gotread readam is(was)are(were)become(became)begin(began)blow(blew)buy(bought)catch(caught)come(came)draw(drew)drive(drove)eat(ate)规则与不规则动词变化汇总规则与不规则动词变化汇总:fall(fell)feed(fed)fell(felt)fall(fell)feed(fed)fell(felt)fly(flew)forget(forgot)fly(flew)forget(forgot)get(got)give(gave)go(went)get(got)
6、give(gave)go(went)grow(grew)grow(grew)have has(had)ride(rode)have has(had)ride(rode)know(knew)keep(kept)know(knew)keep(kept)make(made)meet(met)make(made)meet(met)run(ran)say(said)run(ran)say(said)see(saw)sing(sang)sit(sat)see(saw)sing(sang)sit(sat)1 1.填出下列单词过去式填出下列单词过去式:clean clean wash wash talk ta
7、lk want want laugh laugh am is am is are are 课堂练习课堂练习2 2.运用单词正确时态填空运用单词正确时态填空I_(go)to school by bike yesterday.I_(go)to school by bike yesterday.Danny usually_(go)to school by bus.Danny usually_(go)to school by bus.They never _They never _（gogo）to schoo on foot.to schoo on foot.cleanedwashedtalkedwantedlaughedwaswerewentgoesgo1、Look at _(this)pictures.2、I have much work _(do).3、Li Ming taught me _(play)ping-pong.4、I always_(do)my homework.5、Jenny wants _(go)to the park Steptheseto doto playdoto go用所给的词的正确形式填空。用所给的词的正确形式填空。Bye-bye