corn复数能加s变成corns吗

corn复数能加s变成corns吗 corn 复数要加s不?有看到eat some corn 也有 eat some corns more corns对吗?corn是可数的吗?我查了有复数啊?more corn and more corns ,which is correct? something后面能加S变为复数吗?something anything后面能加S吗?如果能,是变成了复数吗? Cake变成复数加S还是es? 请问：corn 有复数形式吗? lip嘴唇后面能加s吗?表示复数吗? TV（电视）能加s表示复数吗 rain（雨,名词）能加s代表复数吗? European Asian这个词如果复数的话能加S吗 农产品farm product能不能加复数s变成farm products? progress复数加s吗 german复数加S吗 accident有复数吗,能加s吗,还是单复数同行 What did you buy at the market? A quart of milk,two pounds of steak,and four ______.What did you buy at the market?A quart of milk,two pounds of steak,and four ______.A.corn's ears B.ears of corn C.corn ears D.earrs of corns 什么词在变成复数的时候要加s,什么词在变成复数的时候要加es corn的复数,要精确 teachers'sday 变成复数是teachers ,那么为什么变成所有格不是加's