1、可数名词可数名词 单数 指一个人或一件事物时，用单数形式。复数 指两个或多个人或事物时，用复数形式。1.怎么从单数变成复数呢？怎么从单数变成复数呢？2.你知道那些变化规则呢？你知道那些变化规则呢？(1)一般的名词词尾直接加一般的名词词尾直接加 s。如：如：book-books room-rooms house-houses day-days(2)以以s,x,ch,sh结尾的结尾的名词，在词尾加名词，在词尾加es。ch-s-sh-x“吃死是错吃死是错”如：如：bus buses glass glasses box boxes dish dishes watch-watches(3)以以 o 结尾
2、的名词，有生命结尾的名词，有生命的加的加es，没生命的加，没生命的加s。如：photo piano tomato-potato-zoo hero英雄-mango-negro黑人-photospianostomatoespotatoeszoosheroesmangoesnegroes(4)以以“辅音字母辅音字母+y”结尾的名词，结尾的名词，要先将要先将 y 变为变为 i，再加，再加es。除除Aa Ee Ii Oo Uu之外之外如:citycities bodybodies factoryfactories familyfamilies storystories countrycountries
3、cherrycherries hobby-hobbies toy toys(5)以f或fe结尾的名词，要将f或fe变成v，再加es。狼狼的妻子妻子，爬上架子架子，拿着刀子刀子，砍下叶叶子子，砸到了小偷小偷，剩下半半条命命。如：wolfwolves wifewives shelfshelves knifeknives leafleaves thiefthieves halfhalves life-lives(6)特例。变化没有规律，常常特例。变化没有规律，常常考考,要记准！要记准！单复数一样：sheepsheep deerdeerfishfish ChineseChinese如：manmen w
4、omanwomenfootfeet toothteethchildchildren mousemice ox(公牛)oxen(7)国人的复数变化。国人的复数变化。英法联军英法联军a变变e，Englishman-Englishmen FrenchmanFrenchmen其中德国最重点其中德国最重点。German-Germans中日友好永不变中日友好永不变,Chinese-Chinese JapaneseJapanese其他其他s放后面放后面，AmericanAmericans你，敢挑战吗？你，敢挑战吗？请将出现的单词，变成复数形式！photophotosfamilyfamiliesboyboys
5、peachpeachessheepsheepwifewivesmanmenwolfwolvestomatotomatoespeoplepeople人们milkmilk你，愿意超越吗?请完成句子！There are four _(potato)on the table.potatoesMy sister has three_(knife).knivesDo you have any _(hobby)?hobbiesThere is some _(water)in the bottle.waterThey are _(policeman).policemenA lot of _(fish)are swimming in the water.fish
