小学英语名词变复数ppt课件.ppt

名词变复数的规则,1、一般情况词尾加s 浊辅音和元音后读z 清辅音后读s,例词 a bag bags bgz cup cups kps row rows ruz,2、以s, ss, x, ch, sh等 结尾的词， 词尾加es， 读iz。,例词： boxboxesbksiz watch watcheswtiz classclasses kl:siz,3、以 ce，se，ge 等 结尾的词， 词尾加s， 读 iz。,例词casecases keisiz raceraces reisiz,4、以“辅音字母+y”结尾的词 变 y 为 I，再加 es ， 读z。,例词：lobbylobbies lbizdutyduties dju:tizfamily-families fmiliz,5、以 “元音字母+y” 结尾的词， 词尾加 s， 读 z。,例词： boy boys biz,6、以 fe 或 f 结尾的词变 f 为 v 再加s 或es， 读vz。,例词： leafleaves li:vz thiefthieves i:vz wifewives waivz,7、以“辅音字母+o” 结尾的名词， 词尾加es， 读z。,例词： hero heroes hiruz potatopotatoes pteituz tomato tomatoes tm:tuz,8、以 “元音字母+o” 结尾的名词 词尾加s ， 读z。,例词： radioradios reidiuz zoozoos zu:z,9、单复数同形 ，保持原音。 例词： fish fish,sheep sheep cattle cattle deer deer,10、复数形式没有任何规律 例词： manmen woman women,childchildren foot feet,11、除人民币元、角、外， 美元、 英镑、 欧元等 都有复数形式。,例词 a dollar two dollars one pound two pounds,名词变复数歌诀名词复数有变化，词尾常把-s加；结尾若是s, x, ch, sh, 加上-es要记下；若遇f, fe, 更要弄清其变化；先将它们变成v，然后再把-es加；y结尾要分清，两种情况必须明；不规则名词要注意，它的词形需牢记；中日友好不变化，英法联军a变e。,说明:表示某国人，通常在单数后面加s。但是（中国人）Chinese（日本人）Japanese单复数一样，（英国人）Englishman和（法国人）Frenchman只需把a变为e。,名词单数变复数(一)规则变化:1.加s,2.加s, x, ch, sh结尾的名词加es,3.以辅音字母加y结尾的名词,先改y为i, 再加es,(mothers, fathers, sisters, brothers),( buses, boxes, watches ),( family - families dictionary - dictionaries ),区别 key keys boy - boys,(二)不规则变化:,4.单复数同形(不变): sheep(绵羊) deer(鹿) fish(鱼),2.man, woman men, women,1.加es:potatoes (土豆) tomatoes (西红柿),Chinese(中国人) Japanese(日本人),6. oo ee： foot(脚) tooth(牙齿) goose(鹅),5. 以 f / fe结尾的,变f为v, 再加es,wife(妻子) knife (小刀) shelf (架子) leaf (叶子) wolf (狼),3. child（孩子） children,（男人，妇女）,名词单数变复数后s / es 的读音1.在清辅音后读 / s /2.在元音和浊辅音后读 / z /3.在/ s / / z / / / / / t / / d /后 读 / iz /4.在/ t /后读/ ts /，在 / d /后读 / dz /,desks maps,brothers pens,classes, watches, oranges,cats, friends,pen desk key box knife card orange boy friend parent mother father sister brother son daughter cousin family child man pencil case sheep,s,s,s,s,es,knives,s,s,s,s,s,s,s,s,s,s,s,families,children,men,s,sheep,句子单数变复数This is a book. That is an eraser.It is a red apple. I am a boy.He / She is a teacher.Whats this ?,These are books.Those are erasers.They are red apples.We are boys.They are teachers.Whatre these ?,this that I you he / she / it am / is ,these,those,we,you,they,are,单数 复数,一、写出下列单词的复数I- 2.am- 3.he 4.pencil- 5.watch- 6.dictionary- 7. man- 8.it- 9. parent - 10.boy,we,are,they,pencils,watches,dictionaries,men,they,parents,boys,二、句型转换1.This is my mother.,1）变否定句 2）变一般疑问句，并作肯定回答,This is not my mother.Is this your mother ?Yes, it / she is.,2.That is a car.,1）变否定句 2）划线提问3) 变复数句,That is not a car.Whats that?Those are cars.,3.Thats an English dictionary.,1）变否定句 2）变一般疑问句，并作否定回答,Thats not an English dictionary.Is that an English dictionary?No, it isnt.,4.Her family names Smith.5.My jacket is light blue.6. is, that, brother, my, Dave 组词成句,划线提问,划线提问,Whats her family name?What color is your jacket?That is my brother , Dave.,句型转换1.Whats this ? 复数,Whatre these ?,2.Hes a Chinese boy. 复数,Theyre Chinese boys.,3.This is a bike. 否定句复数句一般疑问句，并作肯定回答,This is not a bike.These are bikes.Is this a bike ?Yes, it is.,4.That is my brother.,否定句一般疑问句，并作否定回答,That is not my brother.Is that your brother ?No, it / he isnt.,5.These are dictionaries.单数一般疑问句,并作肯定回答划线提问,This is a dictionary.,Are these dictionaries ? Yes, they are.,What are these ?,be动词： 根据人称和数应有am，is，are三种形式的变化。我用am,你用are, is连着他,她,它; 单数名词用is, 复数名词全用are. 变否定,更容易, be 加not就可以; 变问句,be前提, 句末问号莫忘记.,3. 词汇 A) 用下列所给单词的适当形式填空。 1. Look! Are (that) maps? 2. Where (be) the childrens mother? 3. Five (backpack) are on the bed. 4. Mr Wang has two (pencil). One is blue and the other is red. 5. Mum, (these) is my friend.,those,is,backpacks,pencils,this,练习,1. What do you want? I want_. A. piece of breadB.two piece of bread C.a breadD.some bread 2 ._is standing at the corner of the street. A. A policeB.The police C. PoliceD.A policeman,3. Can you see nine _ in the picture?,A.sheep B.dog C.pig D.horse,4. The _ has two _.,A.boys, watches B.boy, watch,C.boy, watchesD.boys,watch,5. Both Marx and Engles were_.,A.GermanB.Germans,C.Germany D.from German,3. Can you see nine _ in the picture?,A.sheep B.dog C.pig D.horse,4. The _ has two _.,A.boys, watches B.boy, watch,C.boy, watchesD.boys,watch,5. Both Marx and Engles were_.,A.GermanB.Germans,C.Germany D.from German,6. Every morning before he leaves, his mother would put some _ in his bag.,A. orangeB. oranges,7. We all believe that our team _ the strongest of all.,A. isB. are,A. orangeB. oranges,7. We all believe that our team _ the strongest of all.,A. isB. are,6. Every morning before he leaves, his mother would put some _ in his bag.,