名詞單數(shù)變復(fù)數(shù)課件

--Whatarethese?--What’sthis?--It’sapen.--Theyare

pens.第一頁第二頁，共23頁。--Whatarethose?--What’sthat?--It’sanEnglishbook.--Theyare

Englishbooks.第二頁第三頁，共23頁。backpackswatchesorangespens--What’rethese?--They’re….第三頁第四頁，共23頁。mapscaseskeys--What’rethose?--They’re….第四頁第五頁，共23頁。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第五頁第六頁，共23頁。(二)不規(guī)則變化:2.man,woman

men,women1.以o結(jié)尾的名詞有生命的加es:potatoes(土豆)tomatoes(西紅柿)無生命的在詞尾加s:zoo(動物園)—zoosradio（收音機）---radiosphoto(照片）---photosChinese(中國人)Japanese(日本人)3.child（孩子）children（男人，婦女）第六頁第七頁，共23頁。4.單復(fù)數(shù)同形(不變):sheep(綿羊)deer(鹿)fish(魚),people(人，人民）mouse（老鼠）--mice5.ooee：foot(腳)—feettooth(牙齒)--teethgoose(鵝)--geese6.以f/fe結(jié)尾的,變f為v,再加eswife(妻子)——wivesknife(小刀)---knivesshelf(架子)—shelvesleaf(葉子)---leaveswolf(狼)---wolves第七頁第八頁，共23頁。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

第八頁第九頁，共23頁。pendeskkeyboxknifecardorangeboyfriendparentmotherfathersisterbrothersondaughtercousinfamilychildmanpencilcasesheepssssesknivessssssssssssfamilieschildrenmenssheep第九頁第十頁，共23頁。名詞單數(shù)變復(fù)數(shù)tomato(西紅柿）hero（英雄）negro（黑人）radio（收音機）photo（照片）life（生命）knife（小刀）thief（賊）roof（屋頂）zoo（動物園）piano（鋼琴）potato（土豆）第十頁第十一頁，共23頁。this–that–I–you–he/she/it–am/is–thesethoseweyoutheyare

單數(shù)復(fù)數(shù)第十一頁第十二頁，共23頁。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第十二頁第十三頁，共23頁。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?第十三頁第十四頁，共23頁。7.Thisisadictionary8Thatisyourbrother9Sheisagirl10ItisanIDcard11Heismyuncle12Iamastudent第十四頁第十五頁，共23頁。二、句型轉(zhuǎn)換1.Thisismymother.1）變否定句2）變一般疑問句，并作肯定回答Thisisnotmymother.Isthisyourmother?Yes,it/sheis.第十五頁第十六頁，共23頁。2.Thatisacar.1）變否定句2）劃線提問3)變復(fù)數(shù)句Thatisnotacar.What’sthat?Thosearecars.第十六頁第十七頁，共23頁。3.That’sanEnglishdictionary.1）變否定句2）變一般疑問句，并作否定回答That’snotanEnglishdictionary.IsthatanEnglishdictionary?No,itisn’t.第十七頁第十八頁，共23頁。4.Herfamilyname’sSmith.5.Myjacketislightblue.6.is,that,brother,my,Dave組詞成句劃線提問劃線提問What’sherfamilyname?Whatcolorisyourjacket?Thatismybrother,Dave.第十八頁第十九頁，共23頁。句型轉(zhuǎn)換1.What’sthis?復(fù)數(shù)

What’rethese?2.He’saChineseboy.復(fù)數(shù)They’reChineseboys.第十九頁第二十頁，共23頁。

3.Thisisabike.否定句復(fù)數(shù)句一般疑問句，并作肯定回答Thisisnotabike.Theseareb