名词变复数不规则变化规律.doc

文档介绍：名次变复数----规则规则与不规则名词的变化一、以s、x、sh、ch结尾的名词加es:glasses,boxes,brushes,matches、以辅音字母加y结尾的名词,变y为i加es:cities,babies,enemies、4)以f或fe结尾的名词,多数变f为v加es:wives,knives、但有些词只加s:roofs,proofs,chiefs、以o结尾的名词,有些加es:Negroes,heroes,tomatoes,potatoes、其它加s:radios,zoos,pianos,photos、不规则名词:foot→feet,goose→geese,tooth→teeth,child→children,man→men,woman→women,sheep→sheep,deer→deer,mouse→mice、某些外来词变复数:datum→data,medium→media,bacterium→bacteria,curriculum→curricula,criterion→criteria,phenomenon→phenomena、(um/on→a)analysis→analyses,basis→bases,crisis→crises,diagnosis→diagnoses、(is→es)复合名词变复数:以不可数名词结尾的复合名词无复数形式,如:homework、以man或woman为前缀的复合名词变复数,前后两个名词都变复数,如:manservant→menservants,womanstudentwomenstudents、其它复合名词变复数:grownup→grownups,brotherinlaw→brothersinlaw,standby→standsby、二、不规则变化几乎所有单词