3以辅音字母 y结尾的单词,把Y变成i再加-es.ppt

Unit3Thisismysister oneorange twopears sixpears twoclocks sixcomputers fivecups threeapples fourbananas nineapples threeboys twogirls onedog onecattwocatsthreecarsfourbikesfivebirdssixpenssevenappleseightorangesnineboxestenbuses What sthis It sabanana Whatarethese Theyarebananas What sthat It sanorange Whatarethose Theyareoranges Whatarethose What sthat It sawatch Theyarewatches 不规则变化 man men woman women photo photos foot feet aChinese threeChinese child children Whatarethese What sthis It sapen Theyarepens ThisisJim sfriend Thesearehisfriends Thisishissister Thesearehissisters Doittogether Thatisababy Thosearebabies Thatisadog Thosearedogs Doittogether Whatarethese What sthis It samap Theyaremaps jeeps bikes apples pens bags boxes classes buses watches fishes baby babies country countries tomatoes potatoes knife knives leaf leaves 你看出规律了吗 1 一般直接在名词后面加 s 2 以s x ch sh 结尾的单词 必须加上 es 3 以辅音字母 y结尾的单词 把Y变成i再加 es 4 以f或fe结尾的单词 把f变v再加 es Whatarethose What sthat It sanEnglishbook TheyareEnglishbooks Whatarethese Theyare Whatarethose Theyare Askandanswer Thesearemaps Thoseareclocks Weareteachers Theyareboys these those they we are you you 形容词性物主代词 名词 n 名词所有格 Thepossessivecaseofnouns 1 单数名词加 s Mike sfatherJim sclassmymother sname2 两个或两个以上的各自所有 则每个名词都要加 s 后面的可数名词要用复数形式 Jim sandTom sbooks3 两个或两个以上的共同所有 则只在最后一个加 s 后面的可数名词用单数或复数形式要根据情况而定 JimandTom srulerMaryandKate scases4 以s结尾的复数名词加 theteachers room5 不以s结尾的复数名词加 smen sshoeswomen sDay Thoseareerasers Arethoseerasers Yes theyare No theyaren t Theyaregirls Aretheygirls Yes theyare No theyaren t Thosearenoterasers Theyarenotgirls 单 Thisisabook Thesearebooks 单 Thatishisbrother Thosearehisbrothers 看谁做得快 复 复 用am is或are填空 1 This mybrother these myparents 2 thatyoursister No itisn t 3 This mymother Mom this LinHai 4 Andthese mygrandparents 5 GuoPingyoursister Yes she 6 Hello I Lucy Andthat sPaul He mybrother is are Is is is are Is is am is Fillintheblanks 1 Lucyisagirl Sheisherfather s 2 Jimishisfather s 3 Myfather ssisterismy 4 Kate sfather sbrotherisher 5 Tim sfatherismyuncle soTimismy 6 Hisparentsarehis