1.名词分类:
1.1普通名词【common nouns】river、apple、mother-in-law(岳母)
The boy in the picture is my brother.
1.2专有名词【proper nouns】特指某某,需大写开头
His name is Tom .he’s from New York.
1.3普通名词和专有名词的比较
common noun:car ; ocean (海洋);restaurant;celebrity(名流,上流人士)
proper noun:Cadillac凯迪拉克; The Atlantic Ocean大西洋;Burger King汉堡王;Brad Pitt
2.可数名词(countable nouns)可数且有复数形式
2.1名词复数形式的变化规则:
##大部分名词,直接加 +s :// car — cars ,book — books , mother-in-law —mothers-in-law
##-s,-x,-z,-ch,-sh 结尾的,加 es ;// box —boxes,class —classes ,quiz —quizzes
##辅音字母+y 的名词,改y为i,再加 es;// country — countries ,baby — babies ,family — families
##以辅音字母+ o 结尾,复数+ es // potato — potatoes , hero — heroes
例外:piano — pianos ,photo — photos
##不规则变化 // child — children ,foot — feet , people — people
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