1、名詞單數(shù)變復(fù)數(shù),-What are these?,-Whats this?,-Its a pen.,-They are pens.,-What are those?,-Whats that?,-Its an English book.,-They are English books.,A,4,backpacks,watches,oranges,pens,-Whatre these ? -Theyre .,A,5,maps,cases,keys,-Whatre those ? -Theyre .,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

2、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 keys boy - boys,(二)不規(guī)則變化:,2. man, woman men, women,1.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)zoos radio（收音機）-radios photo(照片）-photos,Ch

3、inese(中國人) Japanese(日本人),3. child（孩子） children,（男人，婦女）,A,8,4.單復(fù)數(shù)同形(不變): sheep(綿羊) deer(鹿) fish(魚) ,people(人，人民）mouse（老鼠）-mice 5. oo ee： foot(腳)feet tooth(牙齒) -teeth goose(鵝)-geese 6. 以 f / fe結(jié)尾的,變f為v, 再加es wife(妻子) wives knife (小刀) -knives shelf (架子)shelves leaf (葉子) -leaves wolf (狼)-wolves,A,9,名詞單數(shù)

4、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,A,10,pen desk key box knife card orange boy friend parent mother father sister brother son daughter cousin fam

5、ily 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,A,11,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）,this that I you he / she / it am / is ,these,those,we,you,the

6、y,are,單數(shù) 復(fù)數(shù),A,13,一、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,men,they,parents,boys,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 books. T

7、hose are erasers. They are red apples. We are boys. They are teachers. Whatre these ?,A,15,7. This is a dictionary 8 That is your brother 9 She is a girl 10 It is an ID card 11 He is my uncle 12 I am a student,A,16,二、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 you

8、r mother ? Yes, it / she is.,A,17,2.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.,A,18,3.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 dictionary. Is that an English dictionary? No, it isnt.,A,19,4.Her family names Smith. 5.My jacket i

9、s 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 Chinese 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