内容正文:
Unit3
Is this your pencil?
Observe and learn
Is this/that…? Yes, it is. No, it isn’t.
Are these/those…?
Yes, they are. No, they aren’t.
This
is
my
pencil.
Is
this
your
pencil?
含有be动词的陈述句变为一般疑问句的步骤
一调二改三问号
“一调” :把be动词调至句首;
“二改”: 改主语称谓;
“三问号”:在句末加上问号?
3a
Complete the questions and answers about each picture.
______ your book? Yes, it is.
No, it ______.
________ my pencil? Yes, ______ are.
No, they aren’t.
_______ his ruler? Yes, it ____.
No, it isn’t.
_________ her pens? Yes, they are.
No, they ______.
Is this
isn’t
Are these
Is that
is
Are those
they
aren’t
Observe and learn
I
You
He
She
It
They
We
形容词性
物主代词
名词性
物主代词
Words that show ownership
人称代词
my (我的)
your(你的)
his (他的)
her (她的)
its (它的)
their(他们的)
our(我们的)
mine
yours
his
hers
its
theirs
ours
口诀:my改mine, his/its不用变,其余后边加s。
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
这是你的尺子,它不是我的。
This is your ruler. It’s not my ruler.
= This ruler is yours. It’s not mine.
那些不是他的书。它们是她的。
Those are not his books. They’re her books.
= Those books are not his. They’re hers.
Amy不是他们的老师,是我们的。
Amy is not their teacher, she is our teacher.
=Amy is not theirs. She is ours.
形容词性物主代词
名词性物主代词
+名词=
意思是:
后面是名词的话,前面就要用形容词性物主代词。
后面没有名词的话,就直接用名词性物主代词。
口诀
有“名”则“形”,无“名”则“名”
3b
Read the questions and complete the answers.
1. Is this her ruler?
Yes, ____. It’s _____.
2. Is that Eric’s schoolbag?
No, _______. ____ Sally’s.
3. Are these his pencils?
Yes, ________. They’re ____.
4. Are those Anna’s books?
No, __________. _________ mine.
it is
hers
it isn’t
they are
his
they aren’t
It’s
They are
名词所有格的构成方法:
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加 ’s Women’s Day 妇女节
Children’s Day 儿童节
Compare these sentences
This is Sally’s book.
This book is Sally’s.
These are my parents’ friends.
These friends are my parents