可数名词的单数转化为复数的规律:
1、直接在词尾加s
orange oranges egg eggs
2、以s x ch sh结尾的单词,在词尾加es
dress dresses bus buses box boxes watch watches
3、以辅音字母加y结尾的单词,去y变i加es
city cities library libraries butterfly butterflies firefly fireflies
study studies
4、以o结尾的单词,有可能在词尾加s,也有可能加es。
zoo zoos photo photos yoyo yoyos mango mangoes potato potatoes
tomato tomatoes
5、以f fe结尾的单词,去f fe,变v加es
knife knives scarf scarves leaf leaves housewife housewives
6、不规则变化
people people fish fish child children foot feet tooth teeth
man men woman women
不可数名词
meat bread water juice tea coffee milk food fruit rice
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