英语变化规则一,名词单数变复数的规则:1
一般在末尾加“s”:dogs狗pens钢笔docters医生computers电脑2
以s,x,ch,sh结尾,加“es”:glasses玻璃杯buses公交车boxes箱子watches手表brushes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5
以o结尾,有生命的加“es”,无生命的加“s”:tomatoes西红柿potatoes土豆heroes英雄pianos钢琴photos照片kilo—kilos公斤6
特殊变化:man—men男人woman—women女人child—children小孩sheep—sheep绵羊foot—feet脚tooth—teeth牙齿二
动词三人称单数(助动词为does)构成规则:1
一般在末尾加“s”:plays玩sings唱歌speaks说2
以s,x,ch,sh,o结尾,加“es”:passesrelaxeswatchesbrushesfishesgoesdoes3
以“辅音字母+y”结尾,变y为i再加“es”:study—studies学习cry—cries哭fly—flies飞carry—carries搬运4
特殊变化:have—has吃,有三,动词ing形式变化规则:1
一般在末尾直接加“ing”:playing玩singing唱歌waching观看going去drinking喝2
以不发音的e结尾,去e加“ing”:have—having吃,有take—taking带走,乘make—making制造move—