名词复数的构成.doc

名词变复数名词变复数规则变化及发音：1、绝大多数的可数名词在词尾加上s ； eg：bookbooks；deskdesks；penpens；carcars s遇t读浊辅音ts，遇d读清辅音dz eg：friendfriends; catcats; 2.、以s、x、ch、sh结尾的单词，在该词末尾加上-es；读音规则：读iz；eg：busbuses; boxboxes; watchwatchches; dishdishes 3、以辅音字母+y结尾的名词，要把y变为i，再加-es；读音规则：读z。 eg：flyflies; babybabies; 元音字母加y结尾的单词直接加s；eg：toytoys；boyboys；4、以-f或-fe结尾的名词，要将-f或-fe变为-v，再加es；读音规则：读vz； eg：knifeknives；leafleaves；5、以-o结尾的名词，初级阶段只有三个单词要加-es，其余都加-s；读音规则：读z。 eg：tomatotomatoes西红柿; potatopotatoes土豆; heroheroes英雄; NegroNegroes 口诀：“黑人英雄喜欢吃土豆和西红柿” 其余eg：zoozoos; hippohippos；名词变复数不规则变化：1.单词内部发生变化：口诀“oo常常变ee，男人女人a变e”eg：footfeet脚；toothteeth牙齿；manmen男人；womanwomen女人；2.单复数相同：“羊鱼小鹿无变化，单数复数是一家”eg：sheepsheep绵羊；fishfish鱼；deerdeer鹿；3.不规则变化：childchildren孩子；mousemice老鼠；GermanGermans德国人；4“某国人”的复数有三种类型： 口诀“中日不变，英法变，其它S加后边”（1）Chinese, Japanese单数复数同形，不需加s； （2）Englishman, Frenchman, Dutchman复数要把 man 变为men； （3）其他各国人以an, -ian收尾的均直接加s。如：Americans, Australians, . 写出下列单词的复数形式：fish- boy- watch- knife- leaf- wife- baby- family- man- woman- child- tooth- goose- mouse- sheep- peach- picture- Chinese- bus- fox- boy- day- zoo-tree- deer- fish- city- leaf-life- milk- foot- horse- mouse-tooth- woman- broom- juice- water-people- branch- family- ox- country- he- his- I- this- is- it- that-. 将下列句子改为复数句子:1. He is looking after the baby._2. Its a big heavy box. _3. This picture is nice._ 4. She is a beautiful woman._5. Im a good child. _6. Thats a delicious peach._. 将下列句子改为单数句子：1. These are red coats. _2. Whore the boys? Theyre my students._3. Theyre women workers here. _4. Are they playing basketball now? Yes, they are_5. What are the