新目标英语七年级上册Unit 3 This is my sister课件.ppt

Unit3Thisismysister.,oneorange,twopears,sixpears,twoclocks,sixcomputers,fivecups,threeapples,fourbananas,nineapples,threeboys,twogirls,onedog,onecattwocatsthreecarsfourbikesfivebirdssixpenssevenappleseightorangesnineboxestenbuses,Whatsthis?Itsabanana.Whatarethese?Theyarebananas.,Whatsthat?Itsanorange.Whatarethose?Theyareoranges.,Whatarethose?,Whatsthat?,Itsawatch.,Theyarewatches.,不规则变化：manmen,womanwomen,photophotos,footfeet,aChinesethreeChinese,child-children,Whatarethese?,Whatsthis?,Itsapen.,Theyarepens.,ThisisJimsfriend.,Thesearehisfriends.,Thisishissister.,Thesearehissisters.,Doittogether.,Thatisababy.,Thosearebabies.,Thatisadog.,Thosearedogs.,Doittogether.,Whatarethese?,Whatsthis?,Itsamap,Theyaremaps,jeeps,bikes,apples,pens,bags,boxes,classes,buses,watches,fishes,babybabies,countrycountries,tomatoes,potatoes,knifeknives,leafleaves,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,ss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.以辅音字母+O结尾的单词，后加es（photo除外）,5.以f或fe结尾的单词。把f变v再加es,Whatarethose?,Whatsthat?,ItsanEnglishbook.,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。MikesfatherJimsclassmymothersname2.两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。JimsandTomsbooks3.两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。JimandTomsrulerMaryandKatescases4.以s结尾的复数名词加theteachersroom5.不以s结尾的复数名词加smensshoesWomensDay,Thoseareerasers.,Arethoseerasers?Yes,theyare./No,theyarent.,Theyaregirls.,Aretheygirls?Yes,theyare./No,theyarent.,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,itisnt.3.This_mymother.Mom,this_LinHai.4.Andthese_mygrandparents.5._GuoPingyoursister?Yes,she_.6.Hello,I_Lucy.AndthatsPaul.He_mybrother,is,are,Is,is,is,are,Is,is,am,is,Fillintheblanks：1.Lucyisagirl.Sheisherfathers_.2.Jimishisfathers_.3.Myfatherssisterismy.4.Katesfathersbrotherisher_.5.Timsfatherismyuncle,soTimismy_.6.Hisparentsarehis_