1、一、可数名词都有单数和复数之分。
A: 规则的可数名词的复数变化规则:
1.一般情况加 s : book-- books mouth---mouths house---houses
girl---girls
2.以 s 、x、 sh 、 ch 结尾的加 es : class--- classes box----boxes
match----matches brush—brushes
注:“stomach”(胃),“monarch”(君主)等的复数是词尾加“-s”而不是加“-es”,因为这些词的词尾“ch”的发音是[-k]。
3.辅音字母 + y结尾的变 y
2、为 i加es:
city---cities country----countries party----parties factory----factories
dictionary—dictionaries strawberry—strawberries
4.以 o 结尾的词 +es的只有以下词 :
Negro hero tomato potato 特殊: zero--zeroes/zeros
Heroes and Negroes like eating potatoes and tomatoes.
以 o 结尾并且词尾有两个元音字母 +s
radios,
3、 zoos, bamboos ,(pianos ,kilos photos)
5.以f, fe 结尾的 变f或fe为v +es :
thief wife life knife wolf half leaf shelf The thief’s wife killed three wolves with some leaves and knives in half of her life.
B: 不规则的可数名词的变化规则:
1.man—men, woman—women, tooth—teeth, foot—feet,
goose—geese child—children, mouse—mice,
2.单复数相同: sheep, deer, Chinese, Japanese Swiss.
3.以man, woman 修饰名词构成合成词时,两个词都变化.
man servant—men servants. (boy/girl students)
woman doctor—women doctors.