《小学名词变复数》PPT课件.ppt
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1、名词,名词:是指人或事物名称的词。,名词,专有名词 China,普通名词,个体名词 book,集体名词 family,物质名词 water,抽象名词 work,不可数名词,可数名词,名词变复数,A bookThis is a book.This is a chinese book.,These are some books.,Whats this?,What are these?,Its a book.,They are books.,Whats this in English?,Its an apple.,What are these?,They are two apples.,-What
2、are these?,-Whats this?,-Its a pen.,-They are pens.,-What are those?,-Whats that?,-Its an English book.,-They are English books.,bags,watches,oranges,pens,-Whatre these?-Theyre.,maps,cases,keys,-Whatre those?-Theyre.,This _.,These _.,is a tree,are two trees,are some trees,名词变复数,1一般在名词后面加上“s”:bookboo
3、ks,bagbags 2以s,x,sh,ch,等结尾的词加“es”:busbuses,watchwatches3以辅音字母y结尾的词,变y为i加es,babybabies以元音字母 y结尾的名词变复数时,直接加s变复数,boy boys,以o 结尾的名词变复数,(a)加s的名词photophotos,pianopianos,radioradios,zoozoos(b)水果、蔬菜、人这样的单词加espotatopotatoes(土豆)tomatotomatoes(西红柿)mango-mangoes(芒果)Negro-negroes(黑人)hero-heroes(英雄),黑人英雄喜欢吃土豆、西红柿
4、和芒果。(简称两人两菜),以f或fe结尾的名词变复数,去掉f,fe 加ves half(一半)halves knife(小刀)knives leaf(树叶)leaves wolf(狼)wolves wife(妻子)wives life(生活)lives thief(小偷)thieves,“小偷”(thief)的“妻子”(wife)用“刀子”(knife)和“树叶”(leaf)把“狼”(wolf)劈成两“半”(half)。,(二)不规则变化男人女人 a 变 e,鹅足牙 oo 变 ee;man-men;woman-women;goosegeese;foot-feet;tooth-teeth老鼠虱子
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