小學(xué)英語(yǔ)名詞變復(fù)數(shù)課件

名詞變復(fù)數(shù)的規(guī)則名詞變復(fù)數(shù)的規(guī)則11、一般情況詞尾加—s濁輔音和元音后讀[z]清輔音后讀[s]

1、一般情況詞尾加—s2例詞

abag—bags[b?gz]

cup—cups[k?ps]row—rows[r?uz]例詞32、以s,ss,x,ch,sh等結(jié)尾的詞，詞尾加—es，讀[iz]。

2、以s,ss,x,ch,sh等4例詞：

box—boxes[b?ksiz]watch—watches[w?t?iz]class—classes[klɑ:siz]例詞：53、以ce，se，ge等結(jié)尾的詞，詞尾加—s，讀[iz]。3、以ce，se，ge等6例詞case—cases[keisiz]

race—races[reisiz]例詞74、以“輔音字母+y”結(jié)尾的詞變y

為I，再加—es，讀[z]。4、以“輔音字母+y”結(jié)尾的詞8例詞：lobby—lobbies['l?biz]duty—duties['dju:tiz]family-families

['f?miliz]例詞：95、以“元音字母+y”結(jié)尾的詞，詞尾加—s，讀[z]。5、以“元音字母+y”10例詞：

boy—boys[b?iz]例詞：116、以fe或f結(jié)尾的詞變f

為v再加—s或—es，讀[vz]。6、以fe或f結(jié)尾的詞12例詞：leaf—leaves[li:vz]thief—thieves[θi:vz]

wife—wives[waivz]例詞：137、以“輔音字母+o”結(jié)尾的名詞，

詞尾加—es，

讀[z]。7、以“輔音字母+o”結(jié)尾的名詞，14

例詞：

hero—heroes['hi?r?uz]

potato—potatoes[p?'teit?uz]

tomato—tomatoes[t?'mɑ:t?uz]

例詞：158、以“元音字母+o”結(jié)尾的名詞詞尾加—s，讀[z]。8、以“元音字母+o”結(jié)尾的名詞16例詞：

radio—radios['reidi?uz]

zoo—zoos[zu:z]例詞：179、單復(fù)數(shù)同形，保持原音。

例詞：

fish—fish

9、單復(fù)數(shù)同形，保持原音。18sheep—sheep

cattle—cattle

deer—deer小學(xué)英語(yǔ)名詞變復(fù)數(shù)ppt課件19

10、復(fù)數(shù)形式?jīng)]有任何規(guī)律例詞：

man—menwoman—women10、復(fù)數(shù)形式?jīng)]有任何規(guī)律20

child—children

foot—feet

小學(xué)英語(yǔ)名詞變復(fù)數(shù)ppt課件2111、除人民幣元、角、外，

美元、英鎊、歐元等

都有復(fù)數(shù)形式。11、除人民幣元、角、外，22例詞

adollar—twodollars

onepound—twopounds小學(xué)英語(yǔ)名詞變復(fù)數(shù)ppt課件23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,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。名詞變復(fù)數(shù)歌訣24說(shuō)明:表示某國(guó)人，通常在單數(shù)后面加s。但是（中國(guó)人）Chinese（日本人）Japanese單復(fù)數(shù)一樣，（英國(guó)人）Englishman和（法國(guó)人）Frenchman只需把a(bǔ)變?yōu)閑。說(shuō)明:25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es3.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)(buses,boxes,watches)(family--families

dictionary--dictionaries)區(qū)別

key–keysboy--boys名詞單數(shù)變復(fù)數(shù)2.加s,x,ch,sh結(jié)尾的名詞加es26(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,women1.加es:potatoes(土豆)tomatoes(西紅柿)Chinese(中國(guó)人)Japanese(日本人)6.ooee：foot(腳)tooth(牙齒)goose(鵝)5.以f/fe結(jié)尾的,變f為v,再加eswife(妻子)knife(小刀)

shelf(架子)leaf(葉子)wolf(狼)3.child（孩子）children（男人，婦女）(二)不規(guī)則變化:4.單復(fù)數(shù)同形(不變):sheep(綿羊27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/∫desksmapsbrotherspensclasses,watches,orangescats,friends

名詞單數(shù)變復(fù)數(shù)后s/es的讀音∫desksmapsb28pendeskkeyboxknifecardorangeboyfriendparentmotherfathersisterbrothersondaughtercousinfamilychildmanpencilcasesheepssssesknivessssssssssssfamilieschildrenmenssheeppendeskkey29句子單數(shù)變復(fù)數(shù)Thisisabook.Thatisaneraser.Itisaredapple.Iamaboy.He/Sheisateacher.What’sthis?Thesearebooks.Thoseareerasers.Theyareredapples.Weareboys.Theyareteachers.What’rethese?句子單數(shù)變復(fù)數(shù)Thesearebooks.30this–that–I–you–he/she/it–am/is–thesethoseweyoutheyare

單數(shù)復(fù)數(shù)this–the31一、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–wearetheypencils

watchesdictionariesmen

theyparentsboys一、寫出下列單詞的復(fù)數(shù)wearetheypencilsw32二、句型轉(zhuǎn)換1.Thisismymother.1）變否定句2）變一般疑問(wèn)句，并作肯定回答Thisisnotmymother.Isthisyourmother?Yes,it/sheis.二、句型轉(zhuǎn)換1）變否定句Thisisnotmymo332.Thatisacar.1）變否定句2）劃線提問(wèn)3)變復(fù)數(shù)句Thatisnotacar.What’sthat?Thosearecars.1）變否定句Thatisnotacar.343.That’sanEnglishdictionary.1）變否定句2）變一般疑問(wèn)句，并作否定回答That’snotanEnglishdictionary.IsthatanEnglishdictionary?No,itisn’t.1）變否定句That’snotanEnglishd354.Herfamilyname’sSmith.5.Myjacketislightblue.6.is,that,brother,my,Dave組詞成句劃線提問(wèn)劃線提問(wèn)What’sherfamilyname?Whatcolorisyourjacket?Thatismybrother,Dave.劃線提問(wèn)劃線提問(wèn)What’sherfamilyname36句型轉(zhuǎn)換1.What’sthis?復(fù)數(shù)

What’rethese?2.He’saChineseboy.復(fù)數(shù)They’reChineseboys.句型轉(zhuǎn)換What’rethese?2.He’saCh37

3.Thisisabike.否定句復(fù)數(shù)句一般疑問(wèn)句，并作肯定回答Thisisnotabike.Thesearebikes.Isthisabike?Yes,itis.3.Thisisabike.384.Thatismybrother.

否定句一般疑問(wèn)句，并作否定回答Thatisnotmybrother.Isthatyourbrother?No,it/heisn’t.4.Thatismybrother.否定句Thati395.Thesearedictionaries.單數(shù)一般疑問(wèn)句,并作肯定回答劃線提問(wèn)Thisisadictionary.Arethesedictionaries?Yes,theyare.Whatarethese?5.Thesearedictionaries.40be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(wèn)句,be前提,

句末問(wèn)號(hào)莫忘記.

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413.

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)thechildren’smother?3.Five(backpack)areonthebed.4.MrWanghastwo(pencil).Oneisblueandtheotherisred.5.Mum,(these)ismyfriend.thoseisbackpackspencilsthis3.詞匯thoseisbackpackspencils42練習(xí)1.—Whatdoyouwant?

—Iwant___.A.pieceofbreadB.twopieceofbreadC.abreadD.somebread

2.___isstandingatthecornerofthestreet.A.ApoliceB.ThepoliceC.PoliceD.Apoliceman練習(xí)1.—Whatdoyouwant?433.Canyouseenine________inthepicture?A.sheepB.dogC.pigD.horse4.The_______hastwo___________. A.boys,watchesB.boy,watch C.boy,watchesD.boys,watch5.BothMarxandEngleswere_____.A.GermanB.GermansC.GermanyD.fromGerman3.Canyouseenine________i443.Canyou