名词单复数总结

.小学英语不规则名词单复数一般情况下，直接加s，如：apple-apples, pig-pigs, book-books等。一、以f 和fe结尾的单词 规则：变f或fe为“ves”。单数复数词义单数复数词义wolfwolves狼wifewives妻子，太太halfhalves半个knifeknives小刀，刀子calfcalves小牛lifelives（个人的）性命sheafsheaves捆，束，扎thiefthieves贼leafleaves叶子二、结尾是o的单数词，无生命的，加s就成复数词单数复数词义单数复数词义pianopianos钢琴photo photos照片，相片radioradios收音机bamboo bamboos竹子zoozoos动物园kangaroo kangaroos 袋鼠三、结尾是o的有生命力的词，一般加“es” 口诀：黑人英雄吃西红柿马铃薯。单数复数词义单数复数词义negronegroes黑人heroheroes英雄tomato tomatoes西红柿potato potatoes土豆，马铃薯mango mangoes芒果四、以s，x，ch，sh结尾的词名词变复数时，要在词尾加es单数复数词义单数复数词义busbuses公共汽车classclasses班级boxboxes盒子foxfoxes狐狸matchmatches火柴，比赛lunchlunches午餐brushbrushes画笔，刷子五、以man结尾表示一类人的，变man为men单数复数词义单数复数词义manmen男人womanwomen女人，妇女policemanpolicemen警察firemanfiremen消防员六、单复数同形的单数复数词义单数复数词义deerdeer鹿sheepsheep绵羊fishfish鱼ChineseChinese中国人JapaneseJapanese日本人worksworks工厂七、单词中有oo的,变oo为ee单数复数词义单数复数词义footfeet脚toothteeth牙齿goosegeese鹅八、以辅音字母y结尾的，变y为ies单数复数词义单数复数词义storystories故事bodybodies身体countrycountries国家librarylibraries图书馆familyfamilies家庭citycities城市九、以元音字母加y结尾的名词，直接加s单数复数词义单数复数词义boyboys男孩keykeys钥匙toytoys玩具十、其他特殊的名词复数形式单数复数词义单数复数词义childchildren孩子oxoxen牛mousemice老鼠louselice虱子Iwe我/我们youyou你/你们he,she,itthey他她它/他们thisthese这个/这些thatthose那个/那些二、单数句变复数句把单数的句子成复数的句子很简单：变法是把能变成复数的词变成复数，但a或an要把去掉。特殊疑问词、形容词、国家及地点通常不变。1、人称代词由单数变复数：主格 I we you you he/she/it they宾格 me us you you him/her/it them例1 She is a girl . 例2 I like her. We like them.2、指示代词由单数变复数：单数 this that复数 these those例1 This is a book . These are（some）books .例2 Is that a pen？ Are those（any）pens？3、物主代词由单数变复数：1、名词性物主代词：mine ours，yours yours，his/hers/its theirs2、形容词性物主代词：my our，your your，his/her/its their例1 The book is mine. The books are ours.例2 This is her pen. These are their pens.4、一般情况下，形容词性物主代词在单数句变复数句时不变。例1 This is my book . These are my books .5、当句中形容词性物主代词与句中的主语一致时，形容词性物主代词应随主语人称的变化而变化，仍要保持一致。例1 He likes his bike. They like their bikes.6、连系动词由单数变复数：is/am are例1 I am a teacher. We are（some）eachers.7、a/an表示一个，只能用在单数名词前，当单数句变复数句时，一定要把a/an去掉，或改为some/any。例1 This is a book . These are（some）books .例2 Is that a pen？ Are those（any）pens？8、当名词作定语或在介词短语中作介词宾语充当除宾语以外的其它成分时，该名词不变。例1 He is a boy student .They are（some）boy students.（man和woman）除外。例2 She is a woman worker.They are（some）women workers.9、单数句变为复数句时，句式不能改变，即单数句是疑问句时，变为复数句时，仍然是疑问句。例1 Whats this？ What are these？例2 She likes his bike. They like their bikes.把下列句子变成复数1, I have a car. 2, He is an American boy. 3, It is a car.4, This is an eraser.5, That is a backpsck6,Im an English teather7,Its a new shirt.8,Hes a boy.9,Shes a singer.10,Whats this in English? 11、Is that a pen