小學(xué)英語名詞變復(fù)數(shù)（課堂PPT）

1、1名詞變復(fù)數(shù)的規(guī)則名詞變復(fù)數(shù)的規(guī)則21、一般情況詞尾加一般情況詞尾加s 濁輔音和元音后讀z 清輔音后讀s 3例詞例詞 a bag bags bgz cup cups kps row rows ruz42、以s, ss, x, ch, sh等 結(jié)尾的詞， 詞尾加es， 讀iz。 5例詞例詞： boxboxesbksiz watch watcheswtiz classclasses kl:siz6 3、以 ce，se，ge 等 結(jié)尾的詞， 詞尾加s， 讀 iz。7例詞casecases keisiz raceraces reisiz84、以“輔音字母輔音字母+y”結(jié)尾的詞 變 y 為 I，再加 e

2、s ， 讀z。9例詞：例詞：lobbylobbies lbizdutyduties dju:tizfamily-families fmiliz105、以 “元音字母元音字母+y” 結(jié)尾的詞， 詞尾加 s， 讀 z。11 例詞：例詞： boy boys biz126、以 fe 或 f 結(jié)尾的詞變 f 為 v 再加s 或es， 讀vz。13例詞：例詞： leafleaves li:vz thiefthieves i:vz wifewives waivz147、以“輔音字母輔音字母+o” 結(jié)尾的名詞， 詞尾加es， 讀z。15例詞：例詞： hero heroes hiruz potatopotato

3、es pteituz tomato tomatoes tm:tuz168、以 “元音字母元音字母+o” 結(jié)尾的名詞 詞尾加s ， 讀z。17例詞例詞： radioradios reidiuz zoozoos zu:z189、單復(fù)數(shù)同形單復(fù)數(shù)同形 ，保持原音，保持原音。 例詞例詞： fish fish 19 sheep sheep cattle cattle deer deer20 10、復(fù)數(shù)形式?jīng)]有任何規(guī)律復(fù)數(shù)形式?jīng)]有任何規(guī)律 例詞：例詞： manmen woman women21 childchildren foot feet 2211、除人民幣元、角、外， 美元、美元、 英鎊、英鎊、 歐元

4、歐元等 都有復(fù)數(shù)形式。23例詞 a dollar two dollars one pound two pounds24 名詞變復(fù)數(shù)歌訣名詞變復(fù)數(shù)歌訣名詞復(fù)數(shù)有變化，詞尾常把名詞復(fù)數(shù)有變化，詞尾常把-s加；加；結(jié)尾若是結(jié)尾若是s, x, ch, sh, 加上加上-es要記下；要記下；若遇若遇f, fe, 更要弄清其變化；更要弄清其變化；先將它們變成先將它們變成v，然后再把，然后再把-es加；加；y結(jié)尾要分清，兩種情況必須明；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；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)軍中日友好不變化，英法聯(lián)軍a變變e。25說明說明:表示某

5、國人，通常在單數(shù)后面加表示某國人，通常在單數(shù)后面加s。但是（中國人）但是（中國人）Chinese（日本人）（日本人）Japanese單復(fù)數(shù)一樣，單復(fù)數(shù)一樣，（英國人）（英國人）Englishman和（法國和（法國人）人）Frenchman只需把只需把a(bǔ)變?yōu)樽優(yōu)閑。名詞單數(shù)變復(fù)數(shù)名詞單數(shù)變復(fù)數(shù)( (一一) )規(guī)則變化規(guī)則變化: :1.1.加加s s 2.2.加加s, x, ch, shs, x, ch, sh結(jié)尾的名詞加結(jié)尾的名詞加eses3.3.以輔音字母加以輔音字母加y y結(jié)尾的名詞結(jié)尾的名詞, ,先改先改y y為為i, i, 再加再加eses (mothers, fathers, sist

6、ers, brothers)( buses, boxes, watches )( family - families dictionary - dictionaries ) 區(qū)別區(qū)別 key keys boy - boys( (二二) )不規(guī)則變化不規(guī)則變化: :4.單復(fù)數(shù)同形單復(fù)數(shù)同形(不變不變): sheep(綿羊綿羊) deer(鹿鹿) fish(魚魚) 2.man, woman men, women1.加加es:potatoes (土豆土豆) tomatoes (西紅柿西紅柿)Chinese(中國人中國人) Japanese(日本人日本人) 6. oo ee： foot(腳腳) too

7、th(牙齒牙齒) goose(鵝鵝)5. 以以 f / fe結(jié)尾的結(jié)尾的,變變f為為v, 再加再加eswife(妻子妻子) knife (小刀小刀) shelf (架子架子) leaf (葉子葉子) wolf (狼狼)3. child（孩子）孩子） children（男人，婦女）男人，婦女）28名詞單數(shù)變復(fù)數(shù)后名詞單數(shù)變復(fù)數(shù)后s / es 的讀音的讀音1.在清輔音后讀在清輔音后讀 / s /2.在元音和濁輔音后讀在元音和濁輔音后讀 / z /3.在在/ s / / z / / / / / t / / d /后后 讀讀 / iz /4.在在/ t /后讀后讀/ ts /，在在 / d /后讀后讀

8、 / dz /desks mapsbrothers pensclasses, watches, orangescats, friends 29pen desk key box knife card orange boy friend parent mother father sister brother son daughter cousin family child man pencil case sheepssssesknivessssssssssssfamilieschildrenmenssheep句子單數(shù)變復(fù)數(shù)句子單數(shù)變復(fù)數(shù) This is a book. That is an era

9、ser. It is a red apple. I am a boy. He / She is a teacher.1.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 thesethoseweyoutheyare 單數(shù)單數(shù) 復(fù)數(shù)復(fù)數(shù)32一、寫出下列單詞的復(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

10、.dictionary- 7. man- 8.it- 1.9. parent - 10.boy wearetheypencils watchesdictionaries men they parentsboys33二、句型轉(zhuǎn)換二、句型轉(zhuǎn)換1.This is my mother. 1）變否定句）變否定句 2）變一般疑問句，并作肯定回答）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.342.That is a car.1）變否定句）變否定句 2）劃線提問）劃線提問3) 變復(fù)數(shù)句變復(fù)數(shù)句That is

11、 not a car.Whats that?Those are cars.353.Thats an English dictionary.1）變否定句）變否定句 2）變一般疑問句，并作否定回答）變一般疑問句，并作否定回答Thats not an English dictionary.Is that an English dictionary?No, it isnt.364.Her family names Smith.5.My jacket is light blue.6. is, that, brother, my, Dave 組詞組詞成句成句劃線提問劃線提問劃線提問劃線提問Whats he

12、r family name?What color is your jacket?That is my brother , Dave.句型轉(zhuǎn)換句型轉(zhuǎn)換1.1.Whats this ? Whats this ? 復(fù)數(shù)復(fù)數(shù) Whatre these ?2.Hes a Chinese boy. 2.Hes a Chinese boy. 復(fù)數(shù)復(fù)數(shù)Theyre Chinese boys. 3.This is a bike. 3.This is a bike. 否定句否定句復(fù)數(shù)句復(fù)數(shù)句一般疑問句，并作肯定回答一般疑問句，并作肯定回答This is not a bike.These are bikes.Is

13、this a bike ?Yes, it is.4.4.That is my brother.That is my brother. 否定句否定句一般疑問句，并作否定回答一般疑問句，并作否定回答That is not my brother.Is that your brother ?No, it / he isnt.5.5.These are These are dictionariesdictionaries. .單數(shù)單數(shù)一般疑問句一般疑問句, ,并作肯定回答并作肯定回答劃線提問劃線提問 This is a dictionary.Are these dictionaries ? Yes, t

14、hey are.What are these ?41be動(dòng)詞：動(dòng)詞： 根據(jù)人稱和數(shù)應(yīng)有根據(jù)人稱和數(shù)應(yīng)有am，is，are三種形式的變化。三種形式的變化。我用我用am,你用你用are, is連著他連著他,她她,它它; 單數(shù)名詞用單數(shù)名詞用is, 復(fù)數(shù)名詞全用復(fù)數(shù)名詞全用are. 變否定變否定,更容易更容易, be 加加not就可以就可以; 變問句變問句,be前提前提, 句末問號(hào)莫忘記句末問號(hào)莫忘記. 423. 詞匯詞匯 A) 用下列所給單詞的適當(dāng)形式填空。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 m

15、other? 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. thoseisbackpackspencilsthis43練習(xí)練習(xí)1. What do you want? 1. What do you want? I want_. I want_. A. piece of breadA. piece of breadB.two piece of bread B.two piece of br

16、ead C.a breadC.a breadD.some bread D.some bread 2 ._is standing at the corner of the street. 2 ._is standing at the corner of the street. A. A policeA. A policeB.The police B.The police C. PoliceC. PoliceD.A policemanD.A policeman443. Can you see nine _ in the picture? 3. Can you see nine _ in the p

17、icture? A.sheep B.dog C.pig D.horse A.sheep B.dog C.pig D.horse 4. The _ has two _. 4. The _ has two _. A.boys, watchesA.boys, watches B.boy, watch B.boy, watch C.boy, watchesC.boy, watchesD.boys,watch D.boys,watch 5. Both Marx and Engles were_. 5. Both Marx and Engles were_. A.German A.GermanB.Germ

18、ans B.Germans C.GermanyC.Germany D.from GermanD.from German453. Can you see nine _ in the picture? 3. Can you see nine _ in the picture? A.sheepA.sheep B.dog C.pig D.horse B.dog C.pig D.horse 4. The _ has two _. 4. The _ has two _. A.boys, watchesA.boys, watches B.boy, watch B.boy, watch C.boy, watchesC.boy, watchesD.boys,watch D.boys,watch 5. Both Marx and Engles were_. 5. Both Marx and Engles were_. A.German A.GermanB.GermansB.Germans C.GermanyC.Germany D.from GermanD.from German466. Every morning before he l