名词复数加s与es规则汉英互译
1圣诞节习俗)雅思视频单数名词加s: students, apples, bags, trees, books, brothers.
2)以s、x、sh、ch结尾的名词加es: glass, 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, proof s, chiefs.
5)以o结尾的名词，有些加es: Negroes, heroes, tomatoes, potatoes.其它加s: radio s, zoos, pianos, photos.
6)不规则名词:foot→feet, goo→gee, tooth→teeth, child→children, man→me n, woman→women, sheep→sheep, deer→deer, mou→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→analys, basis→bas, crisis→cris, diagnosis→diagnos.( battlelandis→es )授权书英语
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:manrvant→menrvants, woman student women students.
其它复合名词变复数:grown up→grown ups, brother in law→brothers jessica albain law, stand 福尔摩斯 基本演绎法by→stands by.
9)复合形容词做定语时，其中的名词保持单数:a six year old boy，a two hundred page book
10) 以ch结尾的名词变复数是加es还是加s,是由ch的发音决定的.
10.1 stomach(胃),matriarch(女家长,女族长),monarch(君主),czech(捷克人)这几个词的复数形式是stomachs,matriarchs,monarchs,czechs,其复数形式都是直接加s，其中-ch都是读作/k/
10.2 当ch发音为/t/、/肉畜d3/时，复数应在词尾加es，e.g.：benches /bentz/(长凳), branches /reims‘bra:ntz/(树枝、支部), torches 四级评分细则[tɔːtʃz] (火炬), sandwiches ['sæn(d)wɪdʒ; -wɪtʃ] (三明治)
