七年级(上册)仁爱英语U1T3名词单数变复数

可数名词单数变复数What’sthisinEnglish?It’sanapple.Whatarethese?Theyaretwoapples.--Whatarethese?--What’sthis?--It’sapen.--Theyarepens.--Whatarethose?--What’sthat?--It’sanEnglishbook.--TheyareEnglishbooks.toysboxesorangespens--Whatarethese?--They’re/Theyare….mapseggscars--Whatarethose?--They’re/Theyare….单数复数可数名词如何变化？规则变化不规则变化规则变化1.一般情况下，直接在词尾加-s构成复数形式。carbackpackcarsbackpacksbookbooks1.namepencardrulernamespenscardsrulersbox2.以s,x,ch,sh等结尾的名词，在词尾加-es构成复数形式。boxesclassclasseswatchwatchesbrushbrushessxshch2.busbusesfoxesfox(狐狸)dish(盘子)dishes3.以“辅音字母+y”结尾的名词，应改y为i，再加-es。familyfamiliescomediescomedy(喜剧)yyld3.4.以“元音字母+y”结尾的名词，直接在词尾加-s构成复数形式。boyboysdaydaysoayy4.keycitiesstrawberrieskeyscity(城市)strawberry(草莓)5.以f或fe结尾的名词，先将f或fe变成v，再加-es构成复数形式。knifekniveshalfhalves5.wivesleaveswolveswife(妻子)leaf(树叶)wolf(狼)6.以o结尾的名词,表示无生命事物的名词，词尾加-s,表示有生命事物的名词，词尾加-es。加-es的名词有:potato,tomato,hero巧记:英雄爱吃土豆炖西红柿。photophotosheroestomatoeszooszoo(动物园)tomato(西红柿)hero(英雄)1.单复数同形的单词有：Chinese,Japanese,fish,deer,sheep不规则变化中日人民爱护鱼鹿羊2.oo-eefootfeettoothteethgoosegeese3.a--emanmenwomanwomen4.以en结尾childchildren5.固定用法mousemicethis–that–I–you–he/she/it–am/is–thesethoseweyoutheyare单数复数你，敢挑战吗？photophotosfamilyfamiliesboyboyspeachpeachessheepsheepwifewivesmanmenwolfwolvestomatotomatoespeoplepeople人们你，愿意超越吗?Therearefour_______(potato)onthetable.potatoesMysisterhasthree________(knife).knivesDoyouhaveany_______(hobby)?hobbiesTheyare________(policeman).policemenAlotof____(fish)areswimminginthewater.fish•Sumup:1.一般情况下,直接在名词词尾加-s.2.以s,x,sh,ch结尾的名词,在词尾加-es.3.以辅音字母加y结尾的名词，要变y为i再加-es.5.以f或fe结尾的名词，先将f或fe变为v,再加-es.6.以o结尾的名词,表示无生命事物的名词加-s,表示有生命事物的名词加-es。4.以“元音字母+y”结尾的名词，直接在词尾加-s.可数名词变复数不规则总结1.单复数同形2.oo-ee3.a-e4.以en结尾5.固定用法，如mouse-miceI-wehe/she-they给下列可数名词加复数．bird--card--lady--orange--ruler--photo--friend--boy--watch--girl--case--cat--wife--tree--key--bed--hero--family-dictionary--question--leaf--party--cup--birdsladiesorangesrulerscatsboysgirlscaseswiveswatchestreeskeysquestionsbedsheroesfriendsfamiliesdictionariesphotoscardsleavespartiescups句子单数变复数1.Thisisabook.2.Thatisaneraser.3.Itisaredapple.4.Iamaboy.5.He/Sheisateacher.6.What’sthis?Thesearebooks.Thoseareerasers.Theyareredapples.Weareboys.Theyareteachers.Whatarethese?知识回顾KnowledgeReview