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

Yesterday，表过去，要用一般过去式；，表过去，要用一般过去式；规则动词加规则动词加 ed；有；有 e 直接加上直接加上 d；Talk, talk, talked;Listen, listen, listened;Watch, watch, watched;Phone, phone, phoned.不规则的特殊记，不规则的特殊记，are 变变 were；am/is 变变 was； do/does 变变 did。 talk phone walk rain cook play watch listen help learnedededededdedededed小提示：小提示：ed在清辅音后读在清辅音后读/t/,在浊在浊辅音后辅音后/d/./t/ /d/小试身手小试身手:快快说快快说出下列动词的过出下列动词的过去式吧去式吧. 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跌落跌落a变变e ，fell off 就是过去式就是过去式fell off his bikeride骑、骑、乘乘went for a bike ride 去去 骑骑 自自 行行 车车thirsty口渴的口渴的watermelonbought buy 购买花钱去，购买花钱去，买完买完bought 成过去成过去bought a watermelon the watermelon fell off carry 运送运送carriedCarry carrycarried carried carried the watermelonsbump 碰、碰、磕磕ed his head .Game: Whats missing?watermeloncarriedfell offthirstyboughtbumphappenridewentgohappen要求学生在课本中找动词过去式规则变化：规则变化：不规则变化：不规则变化：happenhappenedcarrycarriedbumpbumpedgowentarewerebuyboughtfallfell原形原形过去式过去式原形原形过去式过去式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 bikehungrythirstyfell off小结：ed， ed 小尾巴，动词后面跟着它，如果动作已发生，千万不要忘了它。 chant“ed”playYesterday 昨天today