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名词单复数名词复数的规则变化1)一般情况加s.2)以s,x,sh,ch等结尾的词加es.3)以辅音字母y结尾的词变y为i再加es4)以f或fe结尾的词，多数变f为v再加es。5)单复同形6)以o结尾的词多数都加es，但下面两类只加s（1）以“元音+o”或“oo”结尾的词（2）某些外来词一般情况加sanappletwoapplesadogtwodogsapenthreepensabookfourbooksbagsorangespencilsmapscaseskeys以s,x,sh,ch等结尾的词加esabustwobusesaboxthreeboxestwowatchesawatchapeachtwopeaches以辅音字母y结尾的词变y为i再加esababythreebabiesastrawberrythreestrawberries以f或fe结尾的词，多数变f为v再加es。aleaftwoleavesaknifetwoknives单复同形afishfourfishadeerfourdeer以o结尾的词多数都加esapotatofivepotatoes以“元音+o”或“oo”结尾的词azootwozoos名词变复数不规则变化amousetwomiceWhatcanyousee?Icansee.abookWhatcanyousee?Icansee.anappleWhatcanyousee?Icansee...Whatanimalsdoyoulike?Ilike.Whatanimalsdoyoulike?Ilike.spiderscatsWhatanimalsdoyoulike?Ilike.Howmanyarethere?Thereare.Howmanyarethere?Thereare.applesfourapplesboxesthreeboxesHowmanyarethere?Thereare.Doyoulike.Yes,I.No,I.Doyoulike.Yes,I.No,I.bananasdodon'tdodon'tbooksDoyoulike.Yes,Ido.No,Idon't.Whattimeisit?It'spm.Whattimeisit?It'sam.eightsixWhattimeisit?It's.Whatishedoing?Heis.Whatisshedoing?Sheis.sleepingdrawingWhatishe\shedoing?He\Sheis.takingabathhavingsupperwatchingTVdoinghomeworkcryingjumpingreadingabookWhatdoyouliketowear?Iliketowear.Whatdoyouliketowear?Iliketowear.skirttrousersIliketowear.Whatdoyouliketowear?jacketsocksshortsdressjeansshoesshirtWhereareyougoing?I'mgoingto.Whereareyougoing?I'mgoingto.theGreatWalltheshopWhereareyougoing?I'mgoingto.ShanghaiKunmingBeijingXi'anschoolzooHowareyougoingthere?I'mgoingthere.Howareyougoingtoshool?I'mgoingthere.bybusonfootHowareyougoingthere?I'mgoingthere.planebycarbytrainWhat'sthis?Thisis.What'that?It's.amouthacarWhat'sthis?Thisis.What'that?It's.hatbagWho'sthat?Thatis.ateacherWho'sthat?Thatis.afarmerWho'sthat?Thatis.更改PPT母版功能键：PPT文档讨论群：253147947