小学英语名词单数变复数口诀及规则ppt课件.ppt

名词单数变复数口诀名词单数变复数口诀•(一一)规则变化规则变化•名词单数变复数，直接加 -s 占多数；•book-books; pen-pens; apple-apples•s, 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-knives•wife-wives,knife-knives,wolf-wolves leaf-leaves (妻子”拿着“小刀”杀了“狼”)                        1•辅音 + y 在词尾，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•词尾字母若是 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-pianos2•(二二) 不规则变化不规则变化•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; sheep•this---these(这些)    I --- we   he/she--- they•that --   those(那些)3。