名詞單數(shù)變復(fù)數(shù)--Whatarethese?--What’sthis?--It’sapen.--Theyare

pens.--Whatarethose?--What’sthat?--It’sanEnglishbook.--Theyare

Englishbooks.backpackswatchesorangespens--What’rethese?--They’re….mapscaseskeys--What’rethose?--They’re….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(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(dòng)物園)—zoosradio（收音機(jī)）---radiosphoto(照片）---photosChinese(中國(guó)人)Japanese(日本人)3.child（孩子）children（男人，婦女）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

pendeskkeyboxknifecardorangeboyfriendparentmotherfathersisterbrothersondaughtercousinfamilychildmanpencilcasesheepssssesknivessssssssssssfamilieschildrenmenssheep名詞單數(shù)變復(fù)數(shù)tomato(西紅柿）hero（英雄）negro（黑人）radio（收音機(jī)）photo（照片）life（生命）knife（小刀）thief（賊）roof（屋頂）zoo（動(dòng)物園）piano（鋼琴）potato（土豆）this–that–I–you–he/she/it–am/is–thesethoseweyoutheyare

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–wearetheypencils

watchesdictionariesmen

theyparentsboys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?7.Thisisadictionary8Thatisyourbrother9Sheisagirl10ItisanIDcard11Heismyuncle12Iamastudent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.2.Thatisacar.1）變否定句2）劃線提問3)變復(fù)數(shù)句Thatisnotacar.What’sthat?Thosearecars.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.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.句型轉(zhuǎn)換1.What’sthis?復(fù)數(shù)

What’rethese?2.He’saChineseboy.復(fù)數(shù)They’reChineseboys.

3.Thisisabike.否定句復(fù)數(shù)句一般疑問句，并作肯定回答Thisisnotabike.Thesearebikes.Isthisabike?Yes,itis.4.Thatismybrother.

否定句一般疑問句，并作否定回答Thatisnotmybrother.Isthatyourbrother?No,it/heisn’t.5.Thesearedictionaries.單數(shù)一般疑問句,并作肯定回答劃線提問Thisisadictionary.Arethesedictionaries?Yes,theyare.Whatarethese?1、字體安裝與設(shè)置如果您對(duì)PPT模板中的字體風(fēng)格不滿意，可進(jìn)行批量替換，一次性更改各頁面字體。在“開始”選項(xiàng)卡中，點(diǎn)擊“替換”按鈕右側(cè)箭頭，選擇“替換字體”。（如下圖）在圖“替換”下拉列表中選擇要更改字體。（如下圖）在“替換