B、可數(shù)名詞的復數(shù)形式
1、直接在詞尾加-s:如desks,maps,cats,pens cars,farms
2、以-s,-x,-ch,sh結(jié)尾的詞加-es :glasses,classes,buses,boxes,foxes,watches,matches,brushes,dishes(例外:stomachs胃)
3、以-O結(jié)尾的詞:
Negroes,heres,potatoes,tomatoes(有生命的名詞加-es);
photos,pianos,kilos,radios,zoos studios(無生命的名詞加-es)。
4、輔音字母+y結(jié)尾的,把y變?yōu)閕再加es :
city-cities,story-stories,baby-babies,dictionary-dictionaries,
factory-factories,fly- flies,diary-diaries
但是,元音字母+y——直接+s toy——toys
5、以-f,-fe結(jié)尾的單詞,去掉f,-fe 再加ves:
knife-knives,wife-wives,life-lives,wolf-wolves,
thief-thieves,leaf-leaves
例外:roof-roofs屋頂,belief-beliefs信仰,gulf-gulfs海灣
safe-safes,handkerchief-handker chiefs手帕
6、特殊變化:
man-men,woman→woman,
child→children,tooth→teeth,
goose→geese鵝 foot→feet,
mouse→mice,looker-on→lookers-on 旁觀者,
passer-by→passers-by過路人,
editor-in-chief→editors-in-chief總編輯,
man-doctor→men doctors,
woman-doctor→women doctors,
fish,deer,Chinese,sheep單復數(shù)同形。
1、直接在詞尾加-s:如desks,maps,cats,pens cars,farms
2、以-s,-x,-ch,sh結(jié)尾的詞加-es :glasses,classes,buses,boxes,foxes,watches,matches,brushes,dishes(例外:stomachs胃)
3、以-O結(jié)尾的詞:
Negroes,heres,potatoes,tomatoes(有生命的名詞加-es);
photos,pianos,kilos,radios,zoos studios(無生命的名詞加-es)。
4、輔音字母+y結(jié)尾的,把y變?yōu)閕再加es :
city-cities,story-stories,baby-babies,dictionary-dictionaries,
factory-factories,fly- flies,diary-diaries
但是,元音字母+y——直接+s toy——toys
5、以-f,-fe結(jié)尾的單詞,去掉f,-fe 再加ves:
knife-knives,wife-wives,life-lives,wolf-wolves,
thief-thieves,leaf-leaves
例外:roof-roofs屋頂,belief-beliefs信仰,gulf-gulfs海灣
safe-safes,handkerchief-handker chiefs手帕
6、特殊變化:
man-men,woman→woman,
child→children,tooth→teeth,
goose→geese鵝 foot→feet,
mouse→mice,looker-on→lookers-on 旁觀者,
passer-by→passers-by過路人,
editor-in-chief→editors-in-chief總編輯,
man-doctor→men doctors,
woman-doctor→women doctors,
fish,deer,Chinese,sheep單復數(shù)同形。