初中英语基础语法PPT幻灯片课件

初中英语基础语法,1,一、词类,名词、形容词、代词、数词、冠词、动词、副词、介词、连词、感叹词,2,1.名词,名词(n.)：表示人、事物、地点或抽象概念的名称。如：boy,morning,bag,ball,class,orange.,3,1.1名词的分类,英语名词可分为专有名词和普通名词两大类。1）专有名词:是国名、地名、人名、团体、机构等的专用名称。专有名词中实词的第一个字母要大写。如：Beijing,Tom,thePeoplesRepublicofChina(中华人民共和国),4,1.1名词的分类,2）普通名词：是一类人或东西或是一个抽象概念的名词。如：pupil,family,man,foot,sadness,hope,friendship,5,1.1名词的分类,普通名词又分为可数名词和不可数名词。可数名词:是可以用简单的数词进行计数的名词如:box,child,orange；不可数名词：是不可以用简单的数词进行计数的名词。如：water,news,oil,population,information.,6,1.2名词复数的变化,1.可数名词的复数：规则变化/不规则变化（1）规则变化形式：名词的复数形式，一般在单数形式后面加-s或-es。,7,1)一般情况在词尾加-smap-maps,book-books,truth-truths,8,2)以s,x,ch,sh结尾的名词后加-esbus-buses,class-classes,box-boxes,watch-watches,dish-dishes,9,3)以辅音字母加y结尾的名词，变y为i加-esparty-parties,family-families,story-stories,city-cities,baby-babies,10,练一练,lemon-_beach-_class-_fox-_library-_butterfly-_baby-_day-_pencil-_watch-_,lemons,beaches,classes,foxes,libraries,butterflies,babies,watches,days,pencils,11,survey-subway-apartment-identity-parcel-fee-track-,surveys,subways,apartments,identities,parcels,fees,tracks,12,1.-CanIhelpyou?-Three_(doll),please.2.Ilike_(strawberry)becausetheyaresweetandjuicy.3.Idontlike_(fly)becausetheyareuglyanddirty.4.Theycomefromdifferent_(country).,dolls,strawberries,flies,countries,13,4)以-f或-fe结尾的名词一般变-f或-fe为v再加-esleaf-leavesthief-thievesknife-kniveswife-wiveshalf-halves,14,5)有些以-f或-fe结尾的名词直接加-schief-chiefsroof-roofs,15,potato-potatoes,tomato-tomatoes,radio-radios,zoo-zoos,16,6)以辅音字母加-o结尾的名词一般加-es，以元音字母加-o结尾的名词加-spotato-potatoestomato-tomatoesradio-radios,zoo-zoos*piano-pianosphoto-photos,17,一般情况在词尾加-s,map-maps,book-books,truth-truths,以s,x,ch,sh结尾的名词后加-es,bus-buses,class-classes,box-boxes,watch-watches,dish-dishes,以辅音字母加y结尾的名词，变y为i加-es,party-parties,family-families,story-stories,city-cities,baby-babies,以-f或-fe结尾的名词一般变-f或-fe为v再加-es,leaf-leaves,thief-thieves,knife-knives,wife-wives,half-halves,有些以-f或-fe结尾的名词直接加-s,chief-chiefs,proof-proofs,roof-roofs,以辅音字母加-o结尾的名词一般加-es，以元音字母加-o结尾的名词加-s,hero-heroes,potato-potatoes,tomato-tomatoes,piano-pianos,radio-radios,zoo-zoos,18,综合挑战，你敢接吗？planebrushchurchpianoshelfthiefradiosubwaytomatophotooxherolaundry,s,es,es,s,-shelves,-thieves,s,s,es,s,es,es,-laundries,19,游戏规则：1.游戏分为必答题和抢答题，答题者举手示意。2.最先举手者获得答题权，答对该组加一分，答错不扣分，两轮答题结束后，得分最高组获胜。3.获胜组可要求其他组的任意两人课后准备英语绕口令或笑话，下节课当众讲给大家听。4.答题者在答题前需说：Iam./Mynameis.,20,要求：不得翻阅笔记，各组互相监督，发现一次扣1分。答题者一旦说出可，不得更改，更改无效！必答题：每组轮流答题，限时5秒。答不上来则下一组回答，答对组加分。示范：cat-cats答题者说出名词复数后要拼写正确，否则不计分,21,需要记分员和主持人一名要求：1.记分员和主持人要本着公平公正的原则，不得有人和私心，其他组成员发现有不公平现象，经大家同意，给记分员和主持人所在组减分。2.记分员和主持人若想参与游戏，可与本组人员交换,22,bus,buses,23,potato,potatoes,24,boy,boys,25,family,families,26,zoo,zoos,27,country,countries,28,watch,watches,29,tomato,tomatoes,30,chief,chiefs,31,knife,knives,32,city,cities,33,brush,brushes,34,radio,radios,35,potato,potatoes,36,roof,roofs,37,shelf,shelves,38,strawberry,strawberries,39,leaf,leaves,40,I,we,41,his,them,42,eraser,erasers,43,hero,heroes,44,dish,dishes,45,day,days,46,抢答题：答题者举手示意，最先举手者获得答题权，有扰乱秩序现象记分员可酌情减分！注：单词前有+的，答题者说出单词意思，加0.5分。,47,+puppy,puppies,48,+ox,oxes,49,story,stories,50,+wolf,wolves,51,+fly,flies,52,+diary,diaries,53,+item,items,54,+highway,highways,55,+beach,beaches,56,+overcoat,overcoats,57,student,students,58,+curtain,curtains,59,piano,pianos,60,peach,peaches,61,答题者能准确说出句子意思，可加1分,62,LilyandLucyaremy_(classmate).,classmates,63,Howmany_(subway)arethereinShenZhen?,subways,64,The_(leaf)turngreeninspring.,leaves,65,Thereare_(photo)onthewall.Theyareverybeautiful.,photos,66,1.2名词复数的变化,（2）不规则变化形式1）单复数同形：,sheep-sheep,fish-fish,Chinese,Japanese,67,fish-fishes,fish（不可数）,fish-fish,68,2)元音字母oo变为ee,tooth,-teeth,foot,-feet,69,3)变man为men,man-men,woman-women,policeman-policemen,policewoman-policewomen,70,4)其他形式,child,mouse,-mice,-children,71,72,注意：1.有些名词单复数异义,glass,glasses,paper,papers,73,2.有些名词只有复数形式,clothes,trousers,74,不可数名词,water,rice,bread,75,注：不可数名词要表示数量，需借助量词一瓶水：一碗米饭：一杯咖啡：,abottleofwater,abowlofrice,acupofcoffee,76,man_woman_chi