初中英语名词用法.ppt

,Welcome to my class.,英语中的十大词类,Wow, there is a handsome boy and two beautiful girls in our class.,感叹词,副词,动词,形容词,连词,数词,介词,代词,冠词,名词,pencil,the,we, I,red,six,like,here,on,but,hello,Noun,名词,一、名词的概念&种类,名词是表示人、事物、地点、或抽象概念的名称。,专有名词,普通名词,指地名、人名、 团体机构名称,1、the Great Wall 2、China 3、Tom,可数名词:,desk, room,chair, class,不可数名词:,air, water, bread, fun, tea,flower,flowers,book,books,1.一般情况在词尾加-S,可数名词的复数变化,watch,es,box,es,bus,es,brush,es,2.以s,x,ch,sh结尾的名词加es,factories,baby,babies,factory,3.以“辅音字母+y”结尾，变y为i，再加-es,4.以“元音字母+y”结尾，直接加S,boy,boys,toy,toys,leaf,wolf,wolves,leaves,knife,knives,5.以f或fe结尾的名词，变f,fe为v,再加es,radios,photos,zoos,pianos,6.以-O结尾，一般在词尾加-S，,tomatoes,potatoes,heroes,Negroes,7.以-O结尾，一般在词尾加-S， 但“两人、两水果”例外,不规则变化,child-children,woman-women,man-men,goose-geese,mouse - mice,foot -feet,deer,sheep,deer，sheep，yuan ,Japanese ,Chinese等的单复数同形.,Yuan,不可数名词：普通名词所表示的人或事物 不能按个数计算的名词。,常见的不可数名词： meat,bread,rice; water,juice,tea,coffee; air,fun,advice,homework, news; 不能加s,a bottle of juice,a cup of tea,two boxes of milk,不可数名词,根据所给单词的正确形式填空： Two _ (sheep) are eating the grass at the foot of the hill. 2. I often go to work on . (foot) 3. I know one of the . (boy) 4. Please give them their . (photo),sheep,foot,boys,photos,5. Are there any in the box? (watch) 6. There are twelve in a year. (month),watches,months,7. Would you like some ? (tomato) 8. Look! The are singing. (woman) 9. Jim has some . (knife) 10.In the picture there are many_(deer) and two_(fox).,tomatoes,women,knives,deer,foxes,可数与不可数名词需注意,1、单数可数名词表示泛指时，前面要用不定冠词a(an)，表示特指时，前面要用定冠词the; 他是一名工人。 He is a factory worker. 我喜欢这只狗，因为它的可爱。 I like the dog becuse it is cute.,不可数名词前不能用a(an)修饰，表示特指时，前面一定要用定冠词the。 没有人能看见空气。 No one can see air. 听到这个消息，他高兴得跳了起来。 Hearing the news he jumped with joy.,2、 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。 不可数名词前通常用“单位词+of“来表示数量。如： a piece of paper, three pieces of paper等。,3、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“。 桌子上有一些苹果。 There are some apples on the desk. 瓶子里有许多水。 There is a lot of water in the bottle.,many & much,many 用于修饰可数名词 教室里有许多学生。 There are man