小学英语动名词一、名词复数的变化规律1、规则变化1)一般情况直接在词尾加-s
如:chair—chairs;apple—apples;grape—grapes;desk—desks等
2)以s、sh、ch、x等结尾的词加–es
如:bus—buses;watch—watches;box—boxes;brush—brushes等
3)以辅音字母+y结尾的词,变y为i再加es,baby—babies;city—cities;family—families等
4)以f或fe结尾的将f或fe直接换成ves
如:knife—knives;thief—thieves;shelf—shelves等
2、不规则变化1)没有规律的变化
如:child—children;foot—feet;tooth—teeth;mouse—mice;woman—women等
2)单复同形
如:deer—deer;sheep—sheep;fish—fish;yuan—yuan;tofu—tofu;pork—pork等
3)以o结尾的名词有的加es有的加s
如:potato—potatoes;tomato—tomatoes;Hero—heroes等
二、动词第三人称单数的变化规则1)直接在动词后+s
如:like—likes;play—plays;read—reads;get—gets;help—helps;ski—skis等
2)以s,x,sh,ch,接尾的动词:+es
如:wash—washes;wacth—watches;teach—teaches;brush—brushes等
3)以辅音+o接尾的动词:+es
如:go—goes;do—does等
4)以辅音+y接尾的动词:变y为i+es
如:fly—flies;study—studies;carry—carries;sky—skies等
末尾字母y前为