内容正文:
Unit 3 Is this your pencil?
第2课时 Section A 3a~3c
讲语法 明语言规则
练语法 掌规则运用
目录
CONTENTS
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物主代词
★定义:表示所有关系的代词叫做物主代词,也叫人称代词的所有格。物主代词分为形容词性物主代词和名词性物主代词两种。形容词性物主代词有:my, your, his, her, its, our, their;名词性物主代词有:mine, yours, his, hers, its, ours, theirs。
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★用法:
1.形容词性物主代词+名词。
2.名词性物主代词相当于形容词性物主代词+名词,故其后不加名词。
例:This isn't my bag. It is her bag. My bag is yellow and her bag is red.
=This isn't my bag. It is hers. Mine is yellow and hers is red.
名词所有格
★定义:名词所有格用以表示名词之间的所有关系。
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★用法:
1.有生命的事物的名词所有格以及表示时间、距离、城镇、国家等的名词所有格。
(1)一般名词变成所有格时,在词尾加's。例:Mike's watch;Women's Day
(2)以s或es结尾的复数a名词变成所有格时,只加“'”。例:students' pencils;teachers' notebooks
(3)两个或两个以上的名词并列:表示共同所有时,只需在最后一个名词后加's;表示分别所有时,需在几个名词后都加's。例:Tom and Jim's computer(表示Tom和Jim共同拥有的一台电脑)
Mary's and Jenny's books(表示Mary和Jenny各自的书)
2.无生命的事物的名词所有格常用“of+名词”结构。例:a map of China
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含有be动词的一般疑问句
★定义:以Be(Am/Is/Are)开头,能够用yes或no回答的疑问句。
★用法:
1.Be动词+主语+其他?
陈述句变一般疑问句:将be动词提到句首,首字母大写,句末加问号即可。(陈述句中有I的要先将I变为you,同时be动词变为are;有my的要先将my变为your。)
例:She is good at English. →Is she good at English?
I am a student. →Are you a student?
That is my desk. →Is that your desk?
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2.其回答分为两类。
肯定回答:Yes, 主格代词+be动词.
否定回答:No, 主格代词+be动词+not.
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一、用括号内所给单词的适当形式填空
1.That pen is purple. It is not ____ pen. _______ is orange. (I)
2.______ pen is not here. ______ is at home (在家). (he)
3.The blue schoolbag is _________ (Bob). _____ (he) likes it very much.
4.______ is my mother. ______ name is Jane and this cup is ______. (she)
5.Do you know _____ (it) name?
6.—Are these _______ (they) bags?
—No, they aren't ________ (their). They are ______ (we).
my
Mine
His
His
Bob's
He
She
Her
hers
its
their
theirs
ours
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二、按要求完成句子(每空一词)
1.This is her ruler. (改为一般疑问句)
_____ ______ her ruler?
2.These girls are my friends. (改为一般疑问句,并作肯定回答)
—______ these girls ______ friends?
—______, ______ _____.
3.—Is this her dictionary? (作否定回答)
—No, ____ ________.
Is this
Are
your
Yes
they are
it