怎样分清可数名词和不可数名词

英语我不是学得很好啊*^◎^*
肉类
水类

还有一些不规则的
比如
绵羊是不可数的

sh、ch、s、x、部分o结尾的负数加es
以辅音y结尾的把y变i加es
以f、fe结尾的把f或fe去掉加ves

还有些不规则的
比如
child复数是children

http://baike.baidu.com/view/328219.html

最常见的不可数名词有：advice, baggage, change(零钱), furniture, hair, homework, information, knowledge, luggage, money, news, progress, traffic

2、其它不可数名词还有：absence, age, anger, courage, energy, equipment, experience, failure, fear, food, fun, health, ice, industry, kindness, labour, luck, marriage, music, nature, paper, peace, pleasure, power, pride, rain, research, respect, safety, salt, sand, silence, sleep, strength, snow, technology, time, trade, transport, travel, trust, truth, waste, water, wealth, weather, wind, work（工作）
二、有些名词既可作可数名词，又可作不可数名词，

如：cake 蛋糕

chocolate 巧克力

fish 鱼、鱼肉

chicke