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1、名词单数变复数口诀,(一)规那么变化名词单数变复数,直接加 -s 占多数;book-books; pen-pens; apple-appless, x, z, ch, sh 来结尾,直接加上 -es;dress-dresses; box-boxes; buzz-buzzes; watch-watches; brush-brushes 词尾是 f 或 fe,去掉f或fe再加上ves;leaf-leaves; wife-wives; knife-kniveswife-wives,knife-knives,wolf-wolves leaf-leaves (妻子拿着“小刀杀了“狼),辅音 + y 在词
2、尾,把 y 变 i 再加 -es;study-studies; baby-babies; city-cities元音+y在词尾, 只加s就足够boy boys ; day days; monkey monkeys词尾字母假设是 o,常用三个已足够, 要加 -es 请记好,hero, tomato, potato。美国黑人和英雄爱吃土豆和西红柿。negro-negroes; hero-heroes; potato-potatoes; tomato-tomatoes其余o结尾的词加s, photo-photos; piano-pianos,(二) 不规那么变化男人女人 a 变 e,鹅足牙 oo 变 ee;man-men; woman-women; goose-geese; foot-feet; tooth-teeth老鼠虱子也好记,ous 变 ic;mouse-mice; louse-lice孩子加上 ren,鱼鹿绵羊不用变child-children; fish; deer; sheepthis-these(这些) I - we he/she- theythat - those(那些),