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1、ThePluralNouns名词复数学--Whatarethese?--What’sthis?--It’sapen.--Theyarepens.--Whatarethose?--What’sthat?--It’sanEnglishbook.--TheyareEnglishbooks.watchesorangesbags--What’rethese?--They’re….boxesmapskeys--What’rethose?--They’re….dictionaries单数复数可数名词如何变化?
2、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。结尾是清辅音读[s],结尾是浊辅音或元音读[z]carbackpackcarsbackpacksbookbooks.namepencardrulernamespenscardsrulersbox2.以s,x,ch,sh等结尾的名词,在词尾加-es构成复数形式。统一读[iz]boxesclassclasseswatchwatchesbrushbrushessxshch2.busbusesfoxesfox(狐狸)dish(盘子
3、)dishes3.以“辅音字母+y”结尾的名词,应改y为i,再加-es。读[z]familyfamiliesladieslady3.4.以“元音字母+y”结尾的名词,直接在词尾加-s构成复数形式。thief除外boyboysdaydaysoayy4.keykeys5.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。尾音[f]改读[vz]knifekniveshalfhalves5.wivesleaveswolveswife(妻子)leaf(树叶)wolf(狼)roof(屋顶)r
4、oofsroof“小偷”(thief)的“妻子”(wife)用“刀子”(knife)和“树叶”(leaf)把“狼”(wolf)劈成两“半”(half)。巧记: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。尾音[f]改读[vz]6.以o结尾的名词,有的加-s,有的加-es构成复数形式。读[z]photophotosheroestomatoeszooszoo(动物园)tomato(西红柿)hero(英雄)6.radios以o结尾的名词,表示无生命事物的名词,词尾加-s,表示有
5、生命事物的名词,词尾加-es。加-es的名词有:potatoes,tomatoes,heroes巧记:英雄爱吃土豆炖西红柿。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.给下列可数名词加复数.bird--
6、card--lady--orange--ruler--photo--friend--boy--watch--girl--case--cat--wife--tree--key--bed--hero--family-dictionary--question--leaf--party--cup--birdsladiesorangesrulerscatsboysgirlscaseswiveswatchestreeskeysquestionsbedsheroesfriendsfamiliesdiction
7、ariesphotoscardsleavespartiescupsthis–that–I–you–he/she/it–am/is–thesethoseweyoutheyare单数复数句子单数变复数Thisisabook.Thatisaneraser.Itisaredapple.Iamaboy.He/Sheisateacher.What’sthis?Thesearebooks.Thoseareerasers.Theyareredapples.Weareboys.Theyareteachers.Wh
8、at’rethese?1、Thisisazoo.2、Iamagoodchild.、3、Itisagreedywolf.4.Thereisababyonthefloor1、LilyandLucyaremy_______(classmate).2、Ihavetwo_____(cup)ofcoffeeforbreakfast.3、The____(leaf)turngreeninspring.4、Thegreensweaterishis_______(brother).1,Rembergererally