一,名词单数变复数的规则:
1. 一般在末尾加“s”:dog s狗pen s钢笔docter s医生computer s电脑
2. 以s,x,ch,sh结尾,加“es”:glass es玻璃杯bus es公交车box es箱子watch es手表brush es刷子
3. 以“辅音字母+y”结尾,变y为i再加“es”:fly—flies苍蝇factory—factories工厂city—cities城市baby—babies婴儿
4. 以f或fe结尾,把f或fe变为v再加“es”:knife—knives小刀wolf—wolves狼life—lives生命thief—thieves小偷