人教版七年级上册 Unit3 Is this your pencil？ SectionA 2d-3c 课件(共14张PPT)

(共14张PPT)
人教版七年级英语 上册
Unit 3
Is this your pencil
Section A(2d-3c)
Revision.
Hi, Anna. Are
these your
pencils
No, they're
Bob's.
And is this his
green pen
No, it isn't.The
blue pen is his.
What about
this dictionary
It's Helen's.And
the green pen
is hers, too.
And the eraser
Is that yours
Yes, it is.
Thank you for
your help, Anna.
You're
welcome.
No, it isn’t. 不，它不是。
这是对以is开头的一般疑问句的否定回答。肯定回答是Yes,it is.如果一般疑问句的主语是指示代词this,that或是名词，那么简略回答中应选用相应的人称代词代替原来的主语。
如： ---Is this her brother
---Yes,it is.
---Is Mary your friend
---No, she isn’t.I don’t know her.
语法重点一：
Grammar
Focus
Is this your pencil Yes, it is. It's mine. / No, it isn't. It's hers.
Is this his green pen Yes, it is / No, it isn't. The blue pen is his.
Is that your schoolbag Yes, it is. / No, it is't. It's his.
Are these your books Yes, they are. / No, they aren't. They're hers.
Are those her keys Yes, they are. / No, they aren't. They're mine.
it's = it is isn't = is not aren't = are not
语法重点二：
形容词性物主代词和名词性物主代词
（1） 形容词性物主代词指my，your，his，her，its，our，your，their等词，它具有形容词的功能，但只能作定语，放在名词前面；不能作表语，不能独立使用。
如：This is my pen.
语法重点二：
（2）名词性物主代词指 mine, yours, his, hers, its, ours, yours, theirs等词，它具有名词的功能，可以独立使用，可以用作主语、表语和宾语。名词性物主代词所指代的人或物必须在上文中出现过。如果上文中没有出现相关的人或物，那么下文中不能使用名词性物主代词。
如：There are two pens. Mine is black. His is red.
Is this pen yours
plete the questions and answers about each picture.
Is _______ your book Yes, it is.
No, it ________.
Are _______ my pencils Yes, _______ are.
No, it isn't.
Is _______ his ruler Yes, it ________.
No, it isn't.
Are _______ her pens Yes, they are.
No, they _______.
this
isn't
these
they
that
is
thoes
aren't
语法重点二：
not和no的区别：
（1）not 用于构成否定形式，置于句中，常放在be动词、情态动词can等、助动词do的后面，可与前面的词缩成一个词，但不能独立使用。
如：This is not (isn't) a pen.
I can not (can't) come.
I do not (don't) know.
语法重点二：
(2) no 常用于带冠词(a, an, the)的名词前，主要修饰可数名词，此时，既可放在单数名词前，也可放在复数名词前。在no+名词的结构中，名词前不能加any, much等词。
如：It has no tail.
Tom has no books.
There is no water now.
3b. Read the questions and complete the answers.
1. Is this her
ruler
2. Is that Eric's
schoolbag
Yes, _______.
It's ________.
No, _________.
______ Sally's.
it is
hers
it isn't
It is
3b. Read the questions and complete the answers.
3. Are these his
pencils
4. Are those
Anna's books
Yes, _______.
They're ________.
No, _________.
_________ mine.
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 owned. You only
have two guesses!
Is this
your
eraser
No, it
isn't.
小结训练
单项选择。
1、Is this your pen ______
A、Yes ,this is. B、Yes, this’s.
C、No ,this isn’t. D、No,it isn’t.
2、Is that a ruler _______ It’s a sharpener.
A、Yes ,that is. B、No,it is.
C、No,that isn’t. D、No,it isn’t.
3、What’s this _________
A、Yes,it is. B、No,it isn’t.
C、It’s a eraser. D、It’s an eraser.
4、What’s ______ name ______ name is Ma Ling.
A、your ; My B、your ; my
C、your ; I D、you ; my
D
D
D
A