Unit 3 Is this your pencil? SectionA Grammar 3a-3c课件 (共46张PPT)

(共46张PPT)
Unit 3 Section A
Grammar 3a-3c
Is this your schoolbag
Yes, it is. It’s mine(我的).
my schoolbag
Look and say.
Is this her eraser
No, it isn’t. It’s his（他的）.
his eraser
his
Is that her pencil
Yes,it is. It’s hers(她的).
her pencil
hers
Are these your dictionaries
Yes, they are.They’re mine.
my dictionaries
Are those your pencil boxes
No, they aren’t. They’re his.
his pencil boxes
his
这是你的铅笔吗？
__ ____ your pencil
2. 是的。它是我的。
Yes, ___ ___. It’s _____.
3. 那是你的书包吗？
__ ____ your schoolbag
4. 不是。它是他/她的。
No, __ ____. It’s ___/_____.
5. 这是他的绿色钢笔吗？
__ this ___ _____ pen
Is this
mine
Is that
it isn’t his hers
it is
Is his green
一、重点句型。
6. 不是。那只蓝色钢笔是他的。
No, __ _____. The ____ ____ is ____.
7. 这些是你的书吗？
____ ______ your books
8. 是的。/ 不是。
Yes, ____ ____. / No, _____ ______.
9. 那些是她的钥匙吗？
____ _____ her _____
10. 不是。它们是她的。
No. _______ hers.
Are these
they are
they aren’t
Are those keys
They’re
blue pen his
it isn’t
1. it is = ______ 2. they are = _______
3. is not = _______ 4. are not = _______
5. that is = _______ 6. name is = ________
it’s
狗的名字 __________________
二、写出下列表达方式的缩写形式。
they’re
isn’t
aren’t
that’s
name’s
三、名词所有格。
the name of the dog
1. 表示无生命事物的所有关系，用“名词 + of + 名词”结构，表示前者属于后者。
2. 表示有生命事物的所有关系，在名词其后加 ’s来表示所属关系，意为“…...的”。
例如：安娜的 Anna’s 鲍勃的 Bob’s
名词所格的构成方法：
一般的单数名词在词尾直接加“’s” Tom’s book 汤姆的书
my uncle’s car
我叔叔的小汽车
以-s结尾的复数名词在词尾加“’” the students’ basketball
学生们的篮球
不规则复数名词在词尾加“’s” Women’s Day 妇女节
Children’s Day 儿童节
名词性物主代词。
mine，hers，yours 等是名词性物主代词，相当于一个名词，可以在句子中单独使用。它相当于“形容词物主代词 + 名词”。而形容词性物主代词只能和名词在一起使用。例如：
This is your ruler. It’s not my ruler.
(= This ruler is yours. It’s not mine.)
这是你的尺子，它不是我的。
Those aren’t his books. They’re her books.
(= Those books aren’t his. They’re hers. )
那些书不是他的。它们是她的。
形容词性物主代词和名词性物主代词表
人称 一 二 三 单 复 单/复 单 单 单 复
形代 my our your his her its their
名代 mine ours yours his hers its theirs
● 形容词性物主代词只能作定语，放在名词前。
我的名字是杰克。____________________
他们的电话是多少？____________________
这是她的书。____________________
你爸爸是个老师吗？____________________
My name is Jack.
What are their phone number
This is her book.
Is your father a teacher
形容词性物主代词
my
your (你的)
his
her
its
our
your (你们的)
their
●在汉语中有些表示所有关系的会省略“的”，大家在翻译成英语时要注意，不要误把它们翻译成人称代词。
我哥哥
I brother my brother
√
×
你妈妈__________
他妹妹___________
your mother
his sister
人　称 形容词性物主代词
I my
you your (你的)
he his
she her
it its
we our
you your (你们的)
they their
●形容词性物主代词修饰名词时,不能和冠词或指示代词一起使用.
This is my pencil.
不能说成: This is my a pencil.
● 名词性物主代词可以作表语。
名词性物主代词
mine
yours
his
hers
its
ours
yours
theirs
1.这是谁的书？是他的。
________________________
2.这把尺子是你的，那把是她的。
This ruler is _____, that one is _____.
3.哪只钢笔是我的？ 蓝色的那一件。
Which pen is _____ The blue one.
Whose book is this It’s his.
mine
yours
hers
his book
your ruler
her ruler
my pen
Tips:
名词性物主代词相当于一个名词，即“形容词性物主代词+名词”,起到避免重复的作用。
名词性物主代词
mine
yours
his
hers
its
ours
yours
theirs
● 名词性物主代词可以作主语。
1.我们的书在一楼，他们的在二楼。
_____ ________are on the first floor. ______ ____ on the second.
2.这是你的盒子吗？ 不，我的是黑色的。
Is this ____ _____ No, ____ ____ black.
Our books
Theirs
your box
mine is
are
their books
my box
Tips:
名词性物主代词作主语时，要注意它指代的名词是单数还是复数，从而使用正确的be动词形式与之搭配。
● 名词性物主代词可以作宾语。
名词性物主代词
mine
yours
his
hers
its
ours
yours
theirs
请帮我打开我的（书）。
_______________________
Open mine for me, please.
I can’t find my pen. May I use yours 我找不到我的钢笔。我能用一下你的吗？
● 名词性物主代词与of连用作定语。
He is a friend of mine.
他是我的一个朋友。_____________________
Here’s a photo of my family for you. May I have one of yours？这儿有张我的全家照给你。我能要张你的吗？
【学以致用】
按要求改写句子 。
1. This is her green jacket. (改为同义句)
This green jacket is _____.
2. My pen is red. What color is your pen (改为同义句)
My pen is red. What color is ________
3. This is his green jacket. (改为同义句)
This green jacket is _____.
4. Your pen is red; my pen is red, too. (改为同义句)
Your pen is red; ______ is red, too.
hers
yours
his
mine
This is my pen.
That is her eraser.
These are my pencil boxes.
Those are his dictionaries.
Are these your pencils
=This is
=These are
=That is .
=Those are .
=Are these
我发现了:名词性物主代词= +
mine
mine
hers
his
yours
形容词性物主代词
名词
顺口溜:用形或用名，全凭后决定；有名则用形，无名则用名。
物主代词：形容词性物主代词与名词性物主代词
一般疑问句是在句子中用提问的方式提供一些信息，要求对方用 Yes 或 No 回答的疑问句。朗读一般疑问句用升调，其简略答语用降调。
由 be 动词（am，is，are）引导的疑问句结构是：
“be + 主语 + 其他部分？”
含有 be 动词的一般疑问句。
Is that your bike ↗ 那是你的自行车吗？
Are they your friends ↗ 他们是你的朋友吗？
其答语：
肯定回答：Yes, 主语 + be (am, is, are)
否定回答：No, 主语 + be (am, is, are) not
-- Is this your pencil ↗ 这是你的铅笔吗？
-- Yes, it is./ No, it isn’t. ↘ 是的。/不是。
一般疑问句是在句子中用提问的方式提供一些信息, 要求对方用 Yes 或 No 回答的疑问句。朗读一般疑问句用升调, 其简略答语用降调。
由 be 动词(am, is, are)引导的疑问句结构是: “be + 主语 + 其他部分？”
含有be动词的一般疑问句
this, ruler, her, is ( )
Eric’s, that, is, schoolbag ( )
pencils, are, his, these ( )
Anna’s, those, books, are ( )
Put the words in order to make sentences.
Is this her ruler
Is that Eric’s schoolbag
Are these his pencils
Are those Anna’s books
Yes, it ___.
Is ____ his ruler
Are _____ my pencils
Yes, ____ are.
No, it ____.
Is ____ your book
No, they ______.
Are _____ her pens
this
these
isn’t
they
that
those
is
3a
Complete the questions and answers about each picture.
Yes, it is.
No, they aren’t.
No, it isn’t.
Yes, they are.
aren’t
1. Is this her ruler
2. Is that her ruler
3. Are these his pencils
4. Are those Anna’s books
Yes, _______. They’re ___.
No, ______. ___ Sally’s.
No, __________. ________ mine.
Yes, ____. It’s _____.
Read the questions and complete the answers.
it is
3b
hers
it isn’t
It’s
they are
his
they aren’t
They’re
3c
Put some things into the teacher’s box. Then take one thing out of the box and find the owner. You only have two guesses!
Is this your eraser
No, it isn’t.
Find the owner of the eraser.
A: Excuse me. Is this your eraser
B: No, it isn’t. I think it’s her / his eraser.
A: Excuse me. Is this your eraser
C: No, it isn’t. I think it’s her / his eraser.
A: Is this your eraser
D: Yes, it is. It’s my eraser.
A: Here you are.
D: Thank you.
— What’s this in English
— It’s a / an …
— How do you spell it
— …
— Is this your …
— No, it isn’t.
— Is this his / her …
— No, it isn’t. It’s his / her …
Make conversations
一、单项选择。
1. －Is this your key, Jenny
－No. ______ is in my schoolbag.
A. His B. Hers C. Mine
2. — Is this _______ book
— No, it isn’t ________.
A. theirs; their B. hers; his C. your; mine
3. The green pen isn’t ____. It’s ______.
A. his, his B. his, yours C. yours, my
C
C
B
Exercises
4. — Excuse me, are these ___ new shoes
— No, they aren’t. ____ are black over there.
A. her; Hers B. her; She C. hers; Her
5. These aren’t ____ yellow pencils. The blue
pencils are _______.
A. mine, my B. his, his C. hers, her
6. — Is that ____ pencil box
— No, it isn’t. It’s _______.
A. Eric, Linda’s B. Linda, Eric
C. Eric’s, Linda’s
A
B
C
1. — Are those your ____________ (pencil box)
— Yes, they are. They’re _____ (my).
2. — Is that _______ (Anna) green eraser.
— No, it isn’t. The red eraser is ____ (her).
3.－Are ______ (this) your keys
－No, _____ (it) aren’t.
4. －Is the blue pencil ______ (your), Linda
－No, it isn’t. It’s ______ (Bob).
5. That isn’t ______ (Eric) schoolbag.
____ (his) is red.
二、用所给单词的适当形式填空。
these
they
mine
Anna’s
pencil boxes
hers
yours
Bob’s
Eric’s
His
1. 这是我的字典。
This is ____ English _________.
2. 杰克，谢谢你的帮助。
Thank you for _____ ____, Jack.
3. 今天去公园怎么样？
______ ______ going to the park
4. 那些不是琳达的书。
______ ______ Linda’s book.
5. 那是他的铅笔盒吗？
___ ____ his pencil box
三、完成句子。
my dictionary
Those aren’t
your help
What about
Is that
A:1 ____ Are these your pens B: 2 _______
A: 3 ____________
B: It’s Anna’s. And the blue schoolbag is hers, too.
A: And the eraser 4 _______
B: Yes, it is.
A: 5 __________, Gina.
B: You’re welcome.
四、补全对话。
A. What’s this B. Yes, it is. It’s mine.
C. Excuse me. D. No, they’re Mike’s.
E. Thank you for your help. F. Is that yours
G. What about this dictionary
C
D
G
F
E
1.Key vocabulary:book,pencil,ruler,eraser,dictionary
pencil box,schoolbag,his,hers,mine.
2.Key sentences(how to indentify things):
-Is this/that your /her/his...
-Yes,it is. It's.../No, it isn't.It's ...
-Are these/those your/her/his ...
-Yes,they are. They're.../No, they aren't.They're...
Summary
mine, yours, hers等是名词性物主代词, 相当于一个名词, 可以在句子中单独使用。它相当于“形容词物主代词 + 名词”。而形容词性物主代词只能和名词在一起使用。
名词性物主代词
形容词性物主代词和名词性物主代词
人称 一 二 三 单 复 单/复 单 单 单 复
形代 my our your his her its their
名代 mine ours yours his hers its theirs
【知识构建】
物主代词
形容词性
名词性
译为“某人的”
my
his
your
胆小派：后必跟名词
her
its
our
his/its双重身份
独行侠：后不跟名词
双重所有格:of+名代
mine
yours
his
hers
its
ours
their
theirs
单数
复数
6.可数名词
如　何　变　化？
规则变化
不规则变化
Extension
1.一般情况下，直接在词尾加-s构成复数形式。
car
backpack
cars
backpacks
book
books
box
2. 以s, x, ch, sh等结尾的名词，在词尾加-es构成复数形式。
boxes
class
classes
watch
watches
brushes
s
x
sh
ch
brush
3. 以“辅音字母+y”结尾的名词，应改y为i，再加-es。
family
families
comedies
comedy
y
l
4. 以“元音字母+y”结尾的名词，直接在词尾加-s构成复数形式 。
boy
boys
day
days
o
a
y
y
(喜剧)
d
y
情　况 构成方法 例　词
可数名词的规则变化表：
一般情况
以字母s, x, sh, ch等结尾的词
以字母f或fe结尾的词
某些以f结尾的词
加-s
加-es
变f或fe为v再加-es
加-s
girl－girls
pen－pens
bus－buses
watch－watches
box－boxes
dish－dishes
wife－wives
shelf－shelves
roof－roofs(屋顶)
belief－beliefs(信念)
half－halves
thief－thieves
情　况 构成方法 例　词
以辅音字母加-y结尾的词
以元音字母加-y结尾的词
以辅音字母加o结尾的词
先变y为i，再加-es
加-s
有生命的加-es
无生命的加-s
baby－babies
city－cities
toy－toys
day－days
tomato－tomatoes
potato－potatoes
photo－photos
piano－pianos
family－families
party－parties
boy－boys
monkey－monkeys
hero－heroes
名词单数变复数，直接加 s占多数；
s，x，ch，sh来结尾，直接加上 es；
词尾是f或fe， 加 s之前先变ve；
辅母＋y在词尾， 把y变i再加 es；
词尾字母若是o， 常用三个已足够；
要加 es请记好， hero，tomato，potato。
必背口诀
Oral: 利用所学基本句型谈论自己的家庭照片，在下一堂课带到课堂，与同伴轮流谈论图片上的人物。（完成3c）
Written: 1）抄写语法焦点上的句子。
2）介绍3b 图片中的人物，写出句子，不少于五句。
Homework
1. 复习本课所学单词、短语和句子，迎接明天的默写。
2.预习Unit1 P4的单词表和完成书上练习。
Homework