單復數(shù)的用法單復數(shù)如何使用(2)
單復數(shù)的用法單復數(shù)如何使用
三、如果名詞結尾是輔音字母加一個y,那就要將y換成i,再加上es;如果以元音字母加y結尾,只要在單詞后加s。(元音字母:A,E,I,O,U)
輔音字母加y
baby- babies
family- families
pony- ponies
city- cities
country- countries
元音字母加y
play- plays
way- ways
valley- valleys
donkey- donkeys
toy- toys
boy- boys
guy- guys
五、當單數(shù)名詞的結尾是f或fe時,復數(shù)的寫法就是將f改為v,再加es
thief - thieves
shelf - shelves
leaf - leaves
calf - calves
half - halves
wolf - wolves
wife - wives
life- lives
可是,f結尾的單數(shù)字,有許多只需加個s就成復數(shù)
roof - roofs
hoof- hoofs
chief- chiefs
cliff - cliffs
gulf - gulfs
六、結尾是o的單數(shù)詞,有的加s,有的需要加es,判斷的標準是單詞本身的意思,有生命的加es,沒有生命的加s;結尾是oo的單詞,只需要加s即可
無生命:
piano- pianos
photo- photos
有生命:
hero- heroes
mango- mangoes
potato- potatoes
volcano- volcanoes
buffalo- buffaloes
tomato- tomatoes
mosquito- mosquitoes
oo結尾:
bamboo- bamboos
zoo- zoos
kangaroo- kangaroos
七、其他一些不規(guī)則的變化
ox- oxen
child- children
analysis- analyses
basis- bases
datum- data
foot- feet
goose- geese
tooth- teeth
man- men
woman- women
mouse- mice
medium- media/mediums
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