四年级英语下册课件-Module 10 Unit 1 Did you fall off your bike-外研版（三起）

1、 Did you fall off your bike? 动词过去式的变法口诀：Yesterday，表过去，要用一般过去式；规则动词加 ed；有 e 直接加上 d；Talk, talk, talked;Listen, listen, listened;Watch, watch, watched;Phone, phone, phoned.不规则的特殊记，are 变 were；am/is 变 was； do/does 变 did。 talk phone walk rain cook play watch listen help learnedededededdedededed小提示：ed在清辅音后

2、读/t/,在浊辅音后/d/./t/ /d/小试身手:快快说出下列动词的过去式吧. What happened to Daming?Listen and think:1.Who went for a bike ride?2.Who fell off his bike ?Daming and Sam.Sam.fall off跌落a变e ，fell off 就是过去式fell off his bikeLets chant:ride骑、乘went for a bike ride 去 骑 自 行 车thirsty口渴的watermelonbought buy 购买花钱去，买完bought 成过去boug

3、ht a watermelon the watermelon fell off Lets chant:carry 运送carriedCarry carrycarried carried carried the watermelonsLets chant:bump 碰、磕ed his head .Game: Whats missing?watermeloncarriedfell offthirstyboughtbumphappenridewentboughtcarriedfell offbumpedgohappencarriedbumpedwenthappened要求学生在课本中找动词过去式规则

4、变化：不规则变化：happenhappenedcarrycarriedbumpbumpedgowentarewerebuyboughtfallfell原形过去式原形过去式Sam and Daming went for a bike ride.thirteen thirty thirsty（口渴的）Then they were hungry and thirsty.So they bought a watermelon.buybought(购买)Sam carried the watermelon on his bike.carrycarried(携带，运送)Sam fell off his bike.fall fell(跌落)The watermelon bumped Damings head.bumpbumped(碰，磕)1.What your head, Daming? 2.Oh, Sam and I _ ride yesterday .3.And then we were _ and _. 4.Then Sam his bike!happened towent for a bikehungrythirstyfel