小学英语名词变复数.ppt

名词变复数的规则,1、一般情况词尾加s浊辅音和元音后读z清辅音后读s,例词abagbagsbgzcupcupskpsrowrowsruz,2、以s,ss,x,ch,sh等结尾的词，词尾加es，读iz。,例词：boxboxesbksizwatchwatcheswtizclassclasseskl:siz,3、以ce，se，ge等结尾的词，词尾加s，读iz。,例词casecaseskeisizraceracesreisiz,4、以“辅音字母+y”结尾的词变y为I，再加es，读z。,例词：lobbylobbieslbizdutydutiesdju:tizfamily-familiesfmiliz,5、以“元音字母+y”结尾的词，词尾加s，读z。,例词：boyboysbiz,6、以fe或f结尾的词变f为v再加s或es，读vz。,例词：leafleavesli:vzthiefthievesi:vzwifewiveswaivz,7、以“辅音字母+o”结尾的名词，词尾加es，读z。,例词：heroheroeshiruzpotatopotatoespteituztomatotomatoestm:tuz,8、以“元音字母+o”结尾的名词词尾加s，读z。,例词：radioradiosreidiuzzoozooszu:z,9、单复数同形，保持原音。例词：fishfish,sheepsheepcattlecattledeerdeer,10、复数形式没有任何规律例词：manmenwomanwomen,childchildrenfootfeet,11、除人民币元、角、外，美元、英镑、欧元等都有复数形式。,例词adollartwodollarsonepoundtwopounds,名词变复数歌诀名词复数有变化，词尾常把-s加；结尾若是s,x,ch,sh,加上-es要记下；若遇f,fe,更要弄清其变化；先将它们变成v，然后再把-es加；y结尾要分清，两种情况必须明；不规则名词要注意，它的词形需牢记；中日友好不变化，英法联军a变e。,说明:表示某国人，通常在单数后面加s。但是（中国人）Chinese（日本人）Japanese单复数一样，（英国人）Englishman和（法国人）Frenchman只需把a变为e。,名词单数变复数(一)规则变化:1.加s,2.加s,x,ch,sh结尾的名词加es,3.以辅音字母加y结尾的名词,先改y为i,再加es,(mothers,fathers,sisters,brothers),(buses,boxes,watches),(family-familiesdictionary-dictionaries),区别keykeysboy-boys,(二)不规则变化:,4.单复数同形(不变):sheep(绵羊)deer(鹿)fish(鱼),2.man,womanmen,women,1.加es:potatoes(土豆)tomatoes(西红柿),Chinese(中国人)Japanese(日本人),6.ooee：foot(脚)tooth(牙齿)goose(鹅),5.以f/fe结尾的,变f为v,再加es,wife(妻子)knife(小刀)shelf(架子)leaf(叶子)wolf(狼),3.child（孩子）children,（男人，妇女）,名词单数变复数后s/es的读音1.在清辅音后读/s/2.在元音和浊辅音后读/z/3.在/s/z/t/d/后读/iz/4.在/t/后读/ts/，在/d/后读/dz/,desksmaps,brotherspens,classes,watches,oranges,cats,friends,pendeskkeyboxknifecardorangeboyfriendparentmotherfathersisterbrothersondaughtercousinfamilychildmanpencilcasesheep,s,s,s,s,es,knives,s,s,s,s,s,s,s,s,s,s,s,families,children,men,s,sheep,句子单数变复数Thisisabook.Thatisaneraser.Itisaredapple.Iamaboy.He/Sheisateacher.Whatsthis?,Thesearebooks.Thoseareerasers.Theyareredapples.Weareboys.Theyareteachers.Whatrethese?,thisthatIyouhe/she/itam/is,these,those,we,you,they,are,单数复数,一、写出下列单词的复数I-2.am-3.he4.pencil-5.watch-6.dictionary-7.man-8.it-9.parent-10.boy,we,are,they,pencils,watches,dictionaries,men,they,parents,boys,二、句型转换1.Thisismymother.,1）变否定句2）变一般疑问句，并作肯定回答,Thisisnotmymother.Isthisyourmother?Yes,it/sheis.,2.Thatisacar.,1）变否定句2）划线提问3)变复数句,Thatisnotacar.Whatsthat?Thosearecars.,3.ThatsanEnglishdictionary.,1）变否定句2）变一般疑问句，并作否定回答,ThatsnotanEnglishdictionary.IsthatanEnglishdictionary?No,itisnt.,4.HerfamilynamesSmith.5.Myjacketislightblue.6.is,that,brother,my,Dave组词成句,划线提问,划线提问,Whatsherfamilyname?Whatcolorisyourjacket?Thatismybrother,Dave.,句型转换1.Whatsthis?复数,Whatrethese?,2.HesaChineseboy.复数,TheyreChineseboys.,3.Thisisabike.否定句复数句一般疑问句，并作肯定回答,Thisisnotabike.Thesearebikes.Isthisabike?Yes,itis.,4.Thatismybrother.,否定句一般疑问句，并作否定回答,Thatisnotmybrother.Isthatyourbrother?No,it/heisnt.,5.Thesearedictionaries.单数一般疑问句,并作肯定回答划线提问,Thisisadictionary.,Arethesedictionaries?Yes,theyare.,Whatarethese?,be动词：根据人称和数应有am，is，are三种形式的变化。我用am,你用are,is连着他,她,它;单数名词用is,复数名词全用are.变否定,更容易,be加not就可以;变问句,be前提,句末问号莫忘记.,3.词汇A)用下列所给单词的适当形式填空。1.Look!Are(that)maps?2.Where(be)thechildrensmother?3.Five(backpack)areonthebed.4.MrWanghastwo(pencil).Oneisblueandtheotherisred.5.Mum,(these)ismyfriend.,those,is,backpacks,pencils,this,练习,1.Whatdoyouwant?Iwant_.A.pieceofbreadB.twopieceofbreadC.abreadD.somebread2._isstandingatthecornerofthestreet.A.ApoliceB.ThepoliceC.PoliceD.Apoliceman,3.Canyouseenine_inthepicture?,A.sheepB.dogC.pigD.horse,4.The_hastwo_.,A.boys,watchesB.boy,watch,C.boy,watchesD.boys,watch,5.BothMarxandEngleswere_.,A.GermanB.Germans,C.GermanyD.fromGerman,3.Canyouseenine_inthepicture?,A.sheepB.dogC.pigD.horse,4.The_hastwo_.,A.boys,watchesB.boy,watch,C.boy,watchesD.boys,watch,5.BothMarxandEngleswere_.,A.GermanB.Germans,C.GermanyD.fromGerman,6.Everymorningbeforeheleaves,hismotherwouldputsome_inhisbag.,A.orangeB.oranges,7.Weallbelievethatourteam_thestronge