______________________________?24. boy student ___________________?25, policewoman _______________________Р5Р情况Р构成方法Р读音Р例词Р一般情况Р加-sР清辅音后读/s/?浊辅音和元音后读/z/Рdesk-desks/desks/?game-games/geimz/?key-keys/ki:z/Р以s, x, sh, ch结尾的词Р加-esР读/iz/Рbus-buses/’bʌsiz/Р以o结尾的词Р有生命的Р加-esР读/z/Рpotato-potatoes/pə'teɪtəʊz/Р无生命的Р加-sР读/s/Рphoto-photos/'fəutəus/Р以y结尾的词Р辅音子母+yР改y为i, 加-esР读/z/Рfamily-families/'fæmiliz/Р元音+yР加-sР读/z/Рboy-boys/bɒɪz/Р以f或fe结尾的词Р改f或fe为v,加-esР读/vz/Рlife-lives/ laɪvz/Р6Рfoot -- feetРchild - childrenРtooth -- teethРmouse -- miceР名词复数的不规则变化(1)Р7Р名词复数的不规则变化(2)Рman -- menРwoman -- womenРmen doctorsРwomen teachersР8Рone sheepРtwo sheepРa ChineseРtwo ChineseРa JapaneseРseveral JapaneseР名词复数的不规则变化(3):单复数形式相同Р9Рa GermanРsome GermansРAmerican --Americans Australian--Australians Canadian--CanadiansР10
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