七年级上册名词单数变复数

This is my brother, too.
把下列句子单数变成复数：
1.This is a book. 2.That is an orange.
These are books. Those are oranges.
3. This is my pencil . 4.That is her quilt. 5.Is this your watch?
句型转换 1.What’s this ? 复数
What’re these ? 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
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 ?
1. I-- we 2.am-- are 3.he –they
4.pencil-- pencils 5.watch-w- atches 6.dictionary-- dictionaries
7. man-- men
8.it-- they
9. parent --parents 10.boy– boys
knife knives cards oranges
boys friends
parents mothers fathers
sisters brothers sons daughters
cousins family families
child children man men
pencil cases
sheep sheep
5. He / She is a teacher. They are teachers.
6. What’s this ?
What’re these ?
单数
this
–
that
–
I
–
you
–
he / she / it –
am / is
–
复数
these those we you
they are
一、写出下列单词的复数
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.
Those are his rings.
把下列句子变成复数。
1.This is my sister.
1. These are my sisters.
2. This is her cousin.
2. These are her cousins.
3. That is his brother.
3. Those are his brothers.
--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
5. 以 f / fe结尾的,变f为v, 再加es
wife(妻子) knife (小刀)
shelf (架子) leaf (叶子) wolf (狼)
6. oo ee： foot(脚) tooth(牙齿) goose(鹅)
名词单数变复数后s / es 的读音
1.在清辅音后读 / s / desks maps
oranges
watches
pens
--What’re these ? --They’re … .
--What’re those ? --They’re … .
maps
cases
keys
名词单数变复数
(一)规则变化:
1.加s (mothers, fathers, sisters, brothers)
2.在元音和浊辅音后读 / z /
brothers 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
pens desks keys boxes
These are my pencils. Those are her quilts. Are these your watches?
6.Is that his dictionary? Are those his dictionaries?
7.It is my map.
They are maps.
8.That’s his ring.
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. 2）划线提问 What’s that?
1.加es:potatoes (土豆) tomatoes (西红柿)
2.man, woman men, women （男人，妇女） 3. child（孩子） children 4.单复数同形(不变): sheep(绵羊) deer(鹿) fish(鱼) Chinese(中国人) Japanese(日本人)
句子单数变复数
1. This is a book.
These are books.
2. That is an eraser. Those are erasers.
3. It is a red apple. They are red apples.
4. I am a boy.
We are boys.
4. Those are my
4. That is my grandpLeabharlann Baidurent. grandparents.
把下列句子变成单数。
1 These are my friends. 1. This is my friend.
2. Those are his parents. 2. That is his parent. 3.Those are her sisters. 3. That is her sister. 4. These are Li Ling’s broth4e.rsT. his is Li Ling’s brother.
2.加s, 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
dictionary -- dictionaries )
区别 key – keys boy -- boys
(二)不规则变化:
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.
名词单数句子变复数句子
This is an apple.
These are apples.
That is my sister. Those are my sisters.
be动词表示“是”，有三个：am ,is, are. 我（I）用am, 你(you )用are, Is用于他(he)、她(she)、它(it), 单数后跟is,复数人称全部都用are.
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.
This is my father.These are my parents.
This is my grandfather.
These are my grandparents.
This is my grandmother.
This is my brother.
These are my brothers.
单数
I
复数
am we
are
you
are you
are
he /she/ it
is
they
are
this
is
these
are
that
is
those
are
This is an orange.
These are oranges.
That is a pencil.
Those are pencils.
This is my mother.