2)以s、x、sh、ch结尾的名词加es:glasses,boxes,brushes,matches.?
3)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.?
5)以o结尾的名词,有些加es:Negroes,heroes,tomatoes,potatoes.其它加s:radios,zoos,pianos,photos.?
6)不规则名词:foot→feet,goose→geese,tooth→teeth,child→children,man→men,woman→women,sheep→sheep,deer→deer,mouse→mice.
7)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)?
8)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.?
请采纳
如果你认可我的回答,敬请及时采纳,
~如果你认可我的回答,请及时点击【采纳为满意回答】按钮
~~手机提问的朋友在客户端右上角评价点【满意】即可.
~你的采纳是我前进的动力
~~O(∩_∩)O,记得好评和采纳,互相帮助