名词单数变复数PPT课件
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They are red apples. We are boys. What’re these ?
5. He / She is a teacher. They are teachers.
• • • • • •
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
2）划线提问 What’s that?
3) 变复数句
Those are cars.
3.That’s an English dictionary. 1）变否定句
That’s not an English dictionary.
2）变一般疑问句，并作否定回答
Is that an English dictionary? No, it isn’t.
pens desks keys box es knife knives cards oranges boys friends parents mothers fathers sisters brothers sons daughters cousins family families child children man men pencil cases sheep sheep
二、句型转换 1.This is my mother. 1）变否定句
This is not my mother.
2）变一般疑问句，并作肯定回答
Is this your mother ? Yes, it / she is.
2.That is a car. 1）变否定句
That is not a car.
名词单数变复数后s / es 的读音 desks maps 1.在清辅音后读 / s /
brothers 2.在元音和浊辅音后读 / z / pens 3.在/ s / / z / /∫/ / / / ∫ t / / d /后
读 / iz / classes, watches, oranges 4.在/ t /后读/ ts /，在 / d /后读 / dz / cats, friends
9. parent --parents 10.boy– boys
句子单数变复数
1. This is a book. These are books.
2. That is an eraser.
3. It is a red apple. 4. I am a boy. 6. What’s this ?
Those are erasers.
Is this a bike ? Yes, it is.
4.That is my brother. 否定句
That is not my brother.
一般疑问句，并作否定回答
Is that your brother ? No, it / he isn’t.
5.These are dictionaries.
名词单数变复数
--What’s this? --It’s a pen. --What are these? --They are pens.
--What’s that? --It’s an English book.
--What are those?
--They are English books.
backpacks
oranges
watches pens
--What’re these ?
--They’re … .
--What’re those ?
--They’re … .
maps
cases
来自百度文库keys
名词单数变复数
(一)规则变化: 1.加s (mothers, fathers, sisters, brothers) 2.加s,
Chinese(中国人) Japanese(日本人)
4.单复数同形(不变): sheep(绵羊) deer(鹿) fish(鱼) ,people(人，人民）mouse（老鼠）-mice
5. oo ee： foot(脚)—feet tooth(牙齿) --teeth goose(鹅)--geese 6. 以 f / fe结尾的,变f为v, 再加es • wife(妻子) ——wives knife (小刀) ---knives • shelf (架子)—shelves leaf (叶子) ---leaves • wolf (狼)---wolves
that
I you
–
– –
we
you they
he / she / it
am / is
–
–
are
一、写出下列单词的复数 1. I--
we
2.am--
are
3.he – they
4.pencil-- pencils 5.watch-6.dictionary--
watches
dictionaries 7. man-- men 8.it-- they
名词单数变复数
• tomato (西红柿） hero（英雄） negro （黑人）radio （收音机） photo （照片） life（生命） knife （小刀）thief（ 贼 ） roof （屋顶） zoo （动物园）piano（ 钢 琴）potato （土豆）
单数
this –
复数
these those
句型转换
1.What’s this ? What’re these ? 复数
2.He’s a Chinese boy. 复数 They’re Chinese boys.
3.This is a bike. 否定句 This is not a bike. 复数句 These are bikes.
一般疑问句，并作肯定回答
4.Her family name’s Smith. 划线提问
What’s her family name?
5.My jacket is light blue. 划线提问
What color is your jacket?
6. is, that, brother, my, Dave 组词成句
That is my brother , Dave.
x, ch, sh结尾的名词加es
( buses, boxes, watches )
3.以辅音字母加y结尾的名词,先改y为i, 再加es ( family -- families
区别 key – keys boy -- boys
dictionary -- dictionaries )
(二)不规则变化: 1.以o结尾的名词有生命的加es: potatoes (土豆) tomatoes (西红柿)无 生命的在词尾加s :zoo(动物园)—zoos radio（收音机）---radios photo(照片） ---photos 2. man, woman （男人，妇女） 3. child（孩子） men, women children
单数
This is a dictionary.
一般疑问句,并作肯定回答
Are these dictionaries ? Yes, they are. 划线提问 What are these ?
5. He / She is a teacher. They are teachers.
• • • • • •
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
2）划线提问 What’s that?
3) 变复数句
Those are cars.
3.That’s an English dictionary. 1）变否定句
That’s not an English dictionary.
2）变一般疑问句，并作否定回答
Is that an English dictionary? No, it isn’t.
pens desks keys box es knife knives cards oranges boys friends parents mothers fathers sisters brothers sons daughters cousins family families child children man men pencil cases sheep sheep
二、句型转换 1.This is my mother. 1）变否定句
This is not my mother.
2）变一般疑问句，并作肯定回答
Is this your mother ? Yes, it / she is.
2.That is a car. 1）变否定句
That is not a car.
名词单数变复数后s / es 的读音 desks maps 1.在清辅音后读 / s /
brothers 2.在元音和浊辅音后读 / z / pens 3.在/ s / / z / /∫/ / / / ∫ t / / d /后
读 / iz / classes, watches, oranges 4.在/ t /后读/ ts /，在 / d /后读 / dz / cats, friends
9. parent --parents 10.boy– boys
句子单数变复数
1. This is a book. These are books.
2. That is an eraser.
3. It is a red apple. 4. I am a boy. 6. What’s this ?
Those are erasers.
Is this a bike ? Yes, it is.
4.That is my brother. 否定句
That is not my brother.
一般疑问句，并作否定回答
Is that your brother ? No, it / he isn’t.
5.These are dictionaries.
名词单数变复数
--What’s this? --It’s a pen. --What are these? --They are pens.
--What’s that? --It’s an English book.
--What are those?
--They are English books.
backpacks
oranges
watches pens
--What’re these ?
--They’re … .
--What’re those ?
--They’re … .
maps
cases
来自百度文库keys
名词单数变复数
(一)规则变化: 1.加s (mothers, fathers, sisters, brothers) 2.加s,
Chinese(中国人) Japanese(日本人)
4.单复数同形(不变): sheep(绵羊) deer(鹿) fish(鱼) ,people(人，人民）mouse（老鼠）-mice
5. oo ee： foot(脚)—feet tooth(牙齿) --teeth goose(鹅)--geese 6. 以 f / fe结尾的,变f为v, 再加es • wife(妻子) ——wives knife (小刀) ---knives • shelf (架子)—shelves leaf (叶子) ---leaves • wolf (狼)---wolves
that
I you
–
– –
we
you they
he / she / it
am / is
–
–
are
一、写出下列单词的复数 1. I--
we
2.am--
are
3.he – they
4.pencil-- pencils 5.watch-6.dictionary--
watches
dictionaries 7. man-- men 8.it-- they
名词单数变复数
• tomato (西红柿） hero（英雄） negro （黑人）radio （收音机） photo （照片） life（生命） knife （小刀）thief（ 贼 ） roof （屋顶） zoo （动物园）piano（ 钢 琴）potato （土豆）
单数
this –
复数
these those
句型转换
1.What’s this ? What’re these ? 复数
2.He’s a Chinese boy. 复数 They’re Chinese boys.
3.This is a bike. 否定句 This is not a bike. 复数句 These are bikes.
一般疑问句，并作肯定回答
4.Her family name’s Smith. 划线提问
What’s her family name?
5.My jacket is light blue. 划线提问
What color is your jacket?
6. is, that, brother, my, Dave 组词成句
That is my brother , Dave.
x, ch, sh结尾的名词加es
( buses, boxes, watches )
3.以辅音字母加y结尾的名词,先改y为i, 再加es ( family -- families
区别 key – keys boy -- boys
dictionary -- dictionaries )
(二)不规则变化: 1.以o结尾的名词有生命的加es: potatoes (土豆) tomatoes (西红柿)无 生命的在词尾加s :zoo(动物园)—zoos radio（收音机）---radios photo(照片） ---photos 2. man, woman （男人，妇女） 3. child（孩子） men, women children
单数
This is a dictionary.
一般疑问句,并作肯定回答
Are these dictionaries ? Yes, they are. 划线提问 What are these ?