动词过去式的构成be动词的过去式am/is→was;are→were主语是第一人称和第三人称单数形式用was,其他人称用were.动词的规则变化①一般直接在词尾加-edclean→cleaned②词尾是不发音的字母e的,只加-dlike→liked③词尾为重读闭音节,结尾只有一个辅音字母的,应双写该辅音字母,再加-edstop→stopped④词尾为辅音字母加y的,应将y改为i,再加-edstudy→studied1.use_______2.is/am_______3.are_______4.have_______5.do_______6.go_______7.teach_______8.stop_______9.play_______10.forget_______一、写出下列动词的过去式.usedweredidtaughtplayedwashadwentstoppedforgot二、用括号内所给动词的适当形式填空.1.I_______(brush)myteeththreetimesyesterday.2.Linda_______(do)somehouseworkyesterdaymorning.3.We_______(go)toschoolonfootlastyear.brusheddidwentReviewofUnit11v.挤奶n.奶牛n.马v.喂养；饲养n.农民；农场主adv.相当；完全milkcowhorsefeedfarmerquitepron.（常用于否定句或疑问句）任何东西；任何事物v.种植；生长；发育n.农场v.务农；种田v.采；摘adj.极好的；优秀的anythinggrowfarmpickexcellentn.乡村；农村adv.昨天n.花v.n.担心；担忧adv.幸运地；好运地n.太阳countrysideyesterdayflowerworryluckilysunn.博物馆n.火；火灾n.油画；绘画adj.使人兴奋的；令人激动的adj.可爱的adj.昂贵的museumfirepaintingexcitinglovelyexpensiveadj.廉价的；便宜的adj.缓慢的；迟缓的adv.adj.快地（的）n.机器人n.导游；向导cheapslowfastrobotguiden.礼物；赠品pron.所有事物；一切adj.感兴趣的adj.黑暗的；昏暗的v.听到；听见gifteverythinginteresteddarkheargoforawalkmilkacowrideahorsefeedchickenstalkwith…1.去散步2.给奶牛挤奶3.骑马4.喂鸡5.和……交谈takephotosquitealot(of)show…aroundlearnaboutpickstrawberries6.拍照7.许多8.带领……参观9.了解10.摘草莓inthecountrysidegofishingclimbamountainvisitamuseumfirestation11.在乡下12.去钓鱼13.爬山14.参观博物馆15.消防站goonaschooltripalongthewaymakeamodelrobotallinallbeinterestedin…not…atall16.参加学校郊游17.沿途18.制作机器人模型19.总的说来20.对……感兴趣21.一点儿也不一、根据句意及汉语提示填写单词.1.Isawsomeinterestinganimals_________(昨天).2.Don’t_______(担心)aboutme.Iamoldenough