名词的复数形式 以辅音字母结尾 直接加 —s book-——books cat—-cats cap————caps pen—---pens friend-——friends mouth—--—mouths 以s， x， sh， ch ， box-—-boxes watch-—-watches bus-—-buses dish-——dishes ss结尾的单词 boss(老板）——-bosses 在词尾加 ——es 变f，fe为v加--es 以f,fe结尾的单词 规 直接加——s 直接加则 --s 辅音字母+o 以元音字母o结尾直接变 的单词 +--es 元音字母+o 直接加-—化 s 词尾以不发音e结尾 直接加--s 辅音字母+y 变y为i+es leaf——-leaves knife—---knives roof（屋顶）————roofs piano——pianos photo-—photos zoo-——zoos tomato--tomatoes potato—--potatoes hero——-heroes radio——-radios cake-——cakes case-——cases nurse———nurses baby-——babies city———cities story—---stories 词尾以y结尾 boy——-boys toy—-——toys 元音字母+y 直接加s key---keys 不 foot---feet tooth———teeth goose-———geese man-———men woman-——规 —women 则 policeman—--—policemen ox———-oxen mouse-——-mice child-—-—变-children 化 sheep-—-—sheep deer—---deer Chinese———-Chinese 单复数同型 Japanese——--Japanese 1、How many _________ （sheep) can you see in the field? 2、_______ （leaf) turn green when spring comes. 3、There are two ________（knife) on the table。 4、The woman gave the farmer two yuan for those ________.(tomato） 5、It’s easy to find an animal with four _______（foot）. 6、In a few ________(year) time， those mountains will be covered with trees. 7、Why are the _______(potato) green， mom? 8、These ___________(dictionary) are useful. 9、There are six _________（book） in my bag. 10、 Our school has bought three _________。（piano) 名 词 所 有 格 在名词词尾+'s 以s结尾的复数名词加 ' 在名词词尾加’s构成的所有格 不以s结尾的复数名词+’s 表示两人或几人共有，只在最后一个名词词尾+'s 表示两人或几人各自所有，在the boy’s ball（这个男孩的球) the boys’ ball (男孩们的球） Women's Day（妇女节) Children’s Day（儿童节) Lily and Lucy's room（莉莉和露西的房间) Lucy's and Mary’s room（露西的房间和玛丽的房间) 每个名词后加’s （多用来表示无生命的东西) 介词of+ 名词 a map of China(中国地图) two glasses of water（两杯水) a pair of shoes（一双鞋) a photo of my mother’s(我妈妈的一张照片 不一定是她本人的照片） a photo of my mother （我妈妈的一张照片 我妈妈本人的照片） 1、_______ mothers couldn’t go back to their hometown ,because they were too busy。 A Li Lei and Lucy’s B Li Lei's and Lucy’s C Li Lei and Lucy D Li Lei’s and Lucy 2、What can I do for you？ I’d like two ________ . A bottles of orange B bottles of oranges C bottle of orange D bottles of the oranges 3、Susan!Today is June 1. It's ________ Day. A Children B Children’s C the Childrens’ D Childrens’ 4、There are thirty __________ in our school。 A woman teachers B woman’s teachers C women teachers D women’s teachers 5、There are some _____ in these ______。 A knive, pencil-boxes B knives，pencil-box C knives， pencil—boxes D knives， pencils-boxes 6、Miss Gao is a friend of _______。 A Mary’s mothers B Mary’s mothers C Mother's of Mary D Mary mothers 7、Where is Jim? At ______。 A Mr Smith B Mr Smith’s C the Mr Smith’s D the Smiths 8、Jack and Jane’s _________。 A mothers are teachers B mother are teachers C mother is teacher D mothers is teacher 9、This is __________. Look！She is my mother’s best friend。 A a photo of my mother B a photo of my mother’s C my mother's photo D the photo of mother 本文来源：https://www.wddqw.com/doc/3bc1de4ef4ec4afe04a1b0717fd5360cba1a8d59.html