可数名词与不可数名词.ppt

七年级英语复习名词的数,可数名词与不可数名词,可数名词与不可数名词,英语中名词分为 和。可数名词是可以用来计数的名词。可数名词有单数和复数形式。,可数名词,不可数名词,不可数名词是不可以直接用来计数的名词。不可数名一般没有复数形式，只有单数形式。,如：desk-desks,apple-apples等。,如：some bread，a little milk等,试试实力,写出下列可数名词的复数形式,applebusboyboxfamilycitytomatozooleaf,apples,buses,boys,boxs,familys,citiys,tomatos,zoos,leafs,boxes,families,cities,tomatoes,leaves,一.可数名词,可数名词和不可数名词前都可以用some,any,a lot of,lots of 等来修饰，表示“一些，许多”。如：,There are some oranges on the desk.桌子上有一些桔子。There is a lot of water in the bottle.瓶里有许多水。,相似之处,帮你归纳,规则变化,一般情况,以s,x,sh,ch 结尾,以辅音字母+y 结尾,注：以元音字母+y 结尾，属一般情况,以辅音字母+o结尾,注：其他以+o结尾,一些以f或fe结尾的单词,加-s,加-s,加-ies,加-s,加-es,加-s,变f、fe为-ves,books,maps,workers,mouths,bus-buses,box-boxes,brush-brushes,match-matches,baby-babies city-cities library-libraries,boy-boys key-keys,monkey-monkeys,tomato-tomatoes,potato-potatoes,photo-photos,zoo-zoos,wolf-wolves leaf-leaves knife-knives,不规则变化,帮你归纳,改变元音字母,直接加-s,man-men,woman-women,foot-feet,tooth-teeth,German-Germans,American-Americans,单复数同形,people-people,sheep-sheep,Chinese-Chinese,child-children,词尾变化,通常为复数形式,clothes,trousers,glasses(眼镜)，shoes,1.boy 2.people 3.leaf_ 4.zoo 5.tomato _6.foot _7.eye _.dress_.wife_9.match _ 10.library _ 12.family _ 13.wish_ 14.photo _ 15.German_17.Chinese _ 18.day _ 19.dictionary _ 20.kilo _,快速练兵,写出下列名词的复数形式,boys,people,leaves,zoos,tomatoes,feet,dresses,libraries,matches,wishes,eyes,families,wives,photos,Germans,Chinese,days,dictionaries,kilos,1.单数可数名词前可用不定冠词a/an 来修饰。表示特指时，前面一定要用定冠词the（表示1个事物）,an apple，an orange，a bag，a desk，a man an uncle a university,注：当名词以元音字母开头并且是元音音素 时，用“an”否则用“a”.,知识拓展,_,_,_,2.复数可数名词前可用具体的数词来表示具体的数量。如：two apples,four books等,知识拓展,Tom has got five oranges.,Tom 有五个橘子。,There are forty-three students in our classroom.,我们教室有43个学生。,二.不可数名词,肉类、饮料、纸张,面包等一般是不可数的，通常只有单数形式。,想一想,我们能讲 a meat,two milks,five waters吗？,想一想：我们还学过哪些表示单位的词？,不可数名词前不能用不定冠词a/an,数词及many来修饰。,答疑解惑,不可数名词前通常用“单位词+of”来表示数量。如：a piece of paper 一张纸 three pieces of bread 三片面包,杯瓶袋盒/箱张/片双/对,cup,bottle,bag,box,piece,pair,一杯二瓶三袋四盒/箱五张/片六双/对,a cup of,two bottles of,three bags of,four boxes of,five pieces of,six pairs of,这些表示量的名词一般是可数的，有复数形式。,知识拓展,难题解决,1两杯牛奶 _ 2.五袋米 _ 3.六双软运动鞋 _ 4.四张纸 _ 5.七杯茶 _ 6.三盒巧克力 _7.一个苹果 _ 八个图书馆 _十本字典 _九辆公共汽车_,翻译下列词组,two cups of milk,five bags of rice,six pares of trainers,four pieces of paper,seven cups of tea,three boxes of chocolate,an apple,eight libraries,ten dictionaries,nine buses,临阵磨枪,翻译下列句子,1.桌子上有一瓶牛奶。,There is a bottle of milk on the table.,2.他们有四箱果汁。,They have got four boxes of juice.,3.房间里有六袋大米。,There are six bags of rice in the room.,可数名词作主语时，谓语动词的单复数与主语的单复数保持一致。如：This picture is very beautiful.这幅画很美。,不可数名词作主语时，谓语动词要用单数形式，但是不可数名词前有复数“单位词”时，谓语动词要用复数形式。如：There are two cups of tea on the table.桌上有两杯茶。,统一战线,1.Lucy and Lily is in Class Two._ A B C D2.Those is their knives._ A B C D 3.The children is in Grade Two._ A B C D4.There is three boys in the classroom._ A B C D5.What Class is the boys in?_ _ A B C D,找出下面每个英文句子中的一个错误，并改正。,练一练,B are,B are,B are,A are,B are,6.How many people is there in your family?_ A B C D7.Is these your books?Yes,they are._ A B C D8.Is there any books on the desk?Yes,there are._ A B C D9.There is six of glasses of orange in the basket._ A B C D10.How many desk can you see here?_ A B C D,练一练,C are there,A Are,A Are,A There are,B desks,用所给名词的适当形式填空:Look!There are a lot of _(leaf)on the ground.There are five _(people)in the room.I have got two _(glass)of _(milk).There are 47 _(desk)in our classroom.A horse has four _(foot).,leaves,people,glasses,milk,desks,feet,实战练习,6.There are some _(dumpling)on the plate.7.He has got two _(box)of _.(apple),dumplings,boxes,apples,8.Those _(child)can play football.9.There are five _(pear)jeans in the box.10.I have got a piece of _(bread).11.The _(American)like to eat fried chicken.,children,pears,bread,Americans,实战练习,