1、名詞變復(fù)數(shù)的規(guī)則,1、一般情況詞尾加s 濁輔音和元音后讀z 清輔音后讀s,例詞 a bag bags bgz cup cups kps row rows ruz,2、以s, ss, x, ch, sh等 結(jié)尾的詞， 詞尾加es， 讀iz。,例詞： boxboxesbksiz watch watcheswtiz classclasses kl:siz,3、以 ce，se，ge 等 結(jié)尾的詞， 詞尾加s， 讀 iz。,例詞 casecases keisiz raceraces reisiz,4、以“輔音字母+y”結(jié)尾的詞 變 y 為 I，再加 es ， 讀z。,例詞： lobbylobbies l

2、biz dutyduties dju:tiz family-families fmiliz,5、以 “元音字母+y” 結(jié)尾的詞， 詞尾加 s， 讀 z。,例詞： boy boys biz,6、以 fe 或 f 結(jié)尾的詞 變 f 為 v 再加s 或es， 讀vz。,例詞： leafleaves li:vz thiefthieves i:vz wifewives waivz,7、以“輔音字母+o” 結(jié)尾的名詞， 詞尾加es， 讀z。,例詞： hero heroes hiruz potatopotatoes pteituz tomato tomatoes tm:tuz,8、以 “元音字母+o” 結(jié)尾

3、的名詞 詞尾加s ， 讀z。,例詞： radioradios reidiuz zoozoos zu:z,9、單復(fù)數(shù)同形 ，保持原音。 例詞： fish fish,sheep sheep cattle cattle deer deer,10、復(fù)數(shù)形式?jīng)]有任何規(guī)律 例詞： manmen woman women,childchildren foot feet,11、除人民幣元、角、外， 美元、 英鎊、 歐元等 都有復(fù)數(shù)形式。,例詞 a dollar two dollars one pound two pounds,名詞變復(fù)數(shù)歌訣 名詞復(fù)數(shù)有變化，詞尾常把-s加； 結(jié)尾若是s, x, ch, sh,

4、加上-es要記下； 若遇f, fe, 更要弄清其變化； 先將它們變成v，然后再把-es加； y結(jié)尾要分清，兩種情況必須明； 不規(guī)則名詞要注意，它的詞形需牢記； 中日友好不變化，英法聯(lián)軍a變e。,說明: 表示某國人，通常在單數(shù)后面加s。 但是（中國人）Chinese（日本人）Japanese單復(fù)數(shù)一樣， （英國人）Englishman和（法國人）Frenchman只需把a(bǔ)變?yōu)閑。,名詞單數(shù)變復(fù)數(shù) (一)規(guī)則變化: 1.加s,2.加s, x, ch, sh結(jié)尾的名詞加es,3.以輔音字母加y結(jié)尾的名詞,先改y為i, 再加es,(mothers, fathers, sisters, brothers

5、),( buses, boxes, watches ),( family - families dictionary - dictionaries ),區(qū)別 key keys boy - boys,(二)不規(guī)則變化:,4.單復(fù)數(shù)同形(不變): sheep(綿羊) deer(鹿) fish(魚),2.man, woman men, women,1.加es:potatoes (土豆) tomatoes (西紅柿),Chinese(中國人) Japanese(日本人),6. oo ee： foot(腳) tooth(牙齒) goose(鵝),5. 以 f / fe結(jié)尾的,變f為v, 再加es,wif

6、e(妻子) knife (小刀) shelf (架子) leaf (葉子) wolf (狼),3. child（孩子） children,（男人，婦女）,名詞單數(shù)變復(fù)數(shù)后s / es 的讀音 1.在清輔音后讀 / s / 2.在元音和濁輔音后讀 / z / 3.在/ s / / z / / / / / t / / d /后 讀 / iz / 4.在/ t /后讀/ ts /，在 / d /后讀 / dz /,desks maps,brothers pens,classes, watches, oranges,cats, friends,pen desk key box knife card o

7、range 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,句子單數(shù)變復(fù)數(shù) 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 bo

8、oks. 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,單數(shù) 復(fù)數(shù),一、寫出下列單詞的復(fù)數(shù) 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,me

9、n,they,parents,boys,二、句型轉(zhuǎn)換 1.This is my mother.,1）變否定句 2）變一般疑問句，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）變否定句 2）劃線提問 3) 變復(fù)數(shù)句,That is not a car. Whats that? Those are cars.,3.Thats an English dictionary.,1）變否定句 2）變一般疑問句，并作否定回答,Thats not an English dicti

10、onary. 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 組詞成句,劃線提問,劃線提問,Whats her family name? What color is your jacket? That is my brother , Dave.,句型轉(zhuǎn)換 1.Whats this ? 復(fù)數(shù),Whatre these ?,2.Hes a Chinese boy. 復(fù)數(shù),Theyre Chin

11、ese boys.,3.This is a bike. 否定句 復(fù)數(shù)句 一般疑問句，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 一般疑問句，并作否定回答,That is not my brother. Is that your brother ? No, it / he isnt.,5.These are dictionaries. 單數(shù) 一般疑問句,并作肯定回答 劃線提問,This is a dictionary.,Are these di

12、ctionaries ? Yes, they are.,What are these ?,be動(dòng)詞： 根據(jù)人稱和數(shù)應(yīng)有am，is，are三種形式的變化。 我用am,你用are, is連著他,她,它; 單數(shù)名詞用is, 復(fù)數(shù)名詞全用are. 變否定,更容易, be 加not就可以; 變問句,be前提, 句末問號(hào)莫忘記.,3. 詞匯 A) 用下列所給單詞的適當(dāng)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

13、 (pencil). One is blue and the other is red. 5. Mum, (these) is my friend.,those,is,backpacks,pencils,this,練習(xí),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 y

14、ou 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