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1、精品资料七年级仁爱版句型转换专项练习.七年级上册Unit1名词变复数专项练习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 ; bookbooks;deskdesks;penpens;carcars s遇t读浊辅音ts,遇d读清辅音dz 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; 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。 flyflies; babybabies; 元音字
2、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; 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。 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” 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” footfeet脚;toothteeth牙齿;manmen男人;
3、womanwomen女人;2.单复数相同:“羊鱼小鹿无变化,单数复数是一家” 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:(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, 不可数名词:不可数名词概念:不可以数的名词叫做不
4、可数名词。包括物质名词(表示无法分为个体的物质)和抽象名词(表示抽象概念的词)。不可数名词特点:不可数名词没有复数形式,也不能与a, an及数词连用,常作单数看待。例: water Theres some water in the bottle. food My favourite food is noodles.不可数名词如表数量,常和a bottle of, a glass of等名词词组连用。如表示复数,只把量词改 为复数。例:a bottle of water一瓶水 , two glasses of water 两杯桔子汁, three cups of tea 三杯茶 , a piec
5、e of paper一张纸有些物质名词有时可数,有时不可数,要根据上下文决定,其意义也有所不同。1以O结尾的名词顺口溜规律:有生命的以o结尾的名词变复数时,词尾加es,凡无生命的以o结 尾的名词变复数时,词尾加s。口诀1:黑人和英雄们吃土豆和西红柿es 其余全部加s解释:negroes and heroes eat tomatoes and potatoes口诀2:你在“zoo”里 看见一根“bamboo” 上面挂着一张“photo” 所照的是一架“piano” 上面放着一台“radio”解释:zoo-zoos, bamboo-bamboos, photo-photos piano-piano
6、s, radio-radios.2.表示民族的名词顺口溜口诀:“中、日、瑞”友好是一致;“英、法”联盟a变e; 其他一律加s 。解释: Chinese,Japanese单复数同形; Englishman,Frenchman的复数为Englishmen,Frenchmen; 其他像German,American,Australian等的复数形式是在后面加“s”。3.以f、fe结尾的顺口溜规律:以f(e)结尾的名词变为复数时,改“f(e)”为“ve”再加“s”。口诀:树叶半数自己黄,妻子拿刀去割粮; 架后串出一匹狼,吓得窃贼逃命忙。解释:wife(妻子), knife(刀子),wolf(狼) th
7、ief(小偷),shelf(架子),life(生命)4.巧记不规则名词单变复口诀:大鹅老鼠齐步走 男男女女龇龇牙解释:goose-geese; mouse-mice; foot-feet; tooth-teeth; man-men; woman-women;5.单复数形式一致的顺口溜口诀:一个中国人和一个日本人骑着一只羊和鹿去吃水煮鱼。解释:Chinese, Japanese ,deer, sheep, fish练习. 写出下列单词的复数形式:fish- boy- watch- knife- leaf- wife- baby- family- man- woman- child- tooth-
8、 goose- mouse- sheep- peach- picture- Chinese- 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. Whor
9、e the boys? Theyre my students._3. Theyre women workers here. _4. Are they playing basketball now? Yes, they are_5. What are they? They are buses. _6. Those are beautiful flowers._ 7. We have many old pictures._. 划出下列单词中的不可数名词:meat shirt food knife snow water ice tea orange cap car farmer ear bread
10、milk noodles eraser clothes七年级仁爱版句型转换专项练习:(一)把下列句子改为否定句。1.I am thirteen years old. 2. He is twelve years old. 3. Shes fourteen years old. 4. I am in Class Five, Grade Seven_. 5. Jane is in Grade Eight. 6. They are in Class Eleven._. _7. She is from Canada. 8. They are from China._. _9. Im from Engla
11、nd. 10. This is an eraser._ _. _ .11. This is a book. 12. That is an old book.(二)把下列句子改为一般疑问句,并做肯定,否定回答。1I am thirteen years old._ _ _2. He is twelve years old._ _ _3. Shes fourteen years old._ _ _4. I am in Class Five, Grade Seven._ _ _5. Jane is in Grade Eight._ _ _6. They are in Class Eleven._ _
12、_7. She is from Canada._ _ _8. They are from China._ _ _9. Im from England._ _ _10. This is an eraser._ _ _11. This is a book._ _ _12. That is an old book._ _ _13. These are rulers._ _ _14. Those are cakes_ _ _15. Its an orange._ _ _16. They are eggs._ _ _(三)根据画线部分提问:1I am thirteen years old. 2. He
13、is twelve years old._ _3. Shes fourteen years old. 4. I am in Class Five, Grade Seven._ _ 5. Jane is in Grade Eight. 6. They are in Class Eleven._ _7. She is from Canada. 8. They are from China._ _9. Im from England. 10. This is an eraser._ _(四)把下列句子单数改为复数,复数改为单数:1This is a bus. 2.That is a box._ _ _3. It is an orange. 4. These are English books._ _ 5. Those are Chinese books. 6. They are my pencils._