2.以-o结尾的名词,变复数
(1)加s,如:photo-photos piano-pianos radio-radios zoo-zoos kilo-kilos
(2)加es,如:potato-potatoes tomato-tomatoes Negro-Negroes hero-heroes
歌诀记忆:黑人(Negro)和英雄(hero)爱吃西红柿(tomato)和马铃薯(potato)。除了这四个以-o结尾的名词加-es外,其余的以-o结尾的名词加-s。
3.表示国家的名词变复数
Chinese-Chinese Japanese-Japanese Englishman-Englishmen
Frenchman-Frenchmen German-Germans Russian-Russians Indian-Indians
Canadian-Canadians American-Americans
歌诀记忆:中(Chinese)日(Japanese)不变,英(Englishman)法(Frenchman)变,其余后面(如German等)加s。
4.以复数形式出现的名词
scissors剪刀 goods货物 trousers/pants/shorts裤子 clothes衣服
glasses眼镜
5.以s结尾,仍为单数的名词
(1)maths,politics,physics等学科名词,为不可数名词,是单数。
(2)news是不可数名词。
(3)the United States,the United Nations应视为单数。
6.由man和woman构成的合成名词,两个构成部分都要变成复数
如:man worker-men workers(男工人)
woman doctor-women doctors(女医生)
7.以辅音字母+y结尾的名词,变y为i再加-es。例如:
baby-babies city-cities story-stories party-parties lady-ladies
diary-diaries army-armies century-centuries copy-copies
8.以s,x,ch,sh结尾的名词加-es,如:
class-classes box-boxes watch-watches speech-speeches bus-buses brush-brushes bench-benches beach-beaches boss-bosses
church-churches