名词变复数不规则变化:1.单词内部发生变化:口诀“oo常常变ee,男人女人a变e”eg:footfeet脚;toothteeth牙齿;manmen男人;womanwomen女人;2.单复数相同:“羊鱼小鹿无变化,单数复数是一家”eg:sheepsheep绵羊;fishfish鱼;deerdeer鹿;3.不规则变化:childchildren孩子;mousemice老鼠;4“某国人”的复数有三种类型: 口诀“中日不变,英法变,其它S加后边”(1)Chinese, Japanese单数复数同形,不需加s; (2)Englishman, Frenchman, Dutchman复数要把 man 变为men; (3)其他各国人以an, -ian收尾的均直接加s。如:Americans, Australians, Germans5.一般只有复数,没有单数的有:people, shoes, glasses, gloves, shorts, clothes, socks6.代词的复数: It, he, she they; Iwe; you