复数名词 通常加s,尾部为s,ss,sh,x的加es,尾部为y改为i加es但是y前是...答:但是也有不变化的,如: month—months, ninth—ninths, youth—youths.三、 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...