形容词物主代词：
单数形式：my（我的）your（你的）his/her/ its（他的、她的、它的）。
复数形式：our（我们的），your（你们的），their（他们的）。
名词物主代词：
单数形式：mine（我的什么）yours（你的什么）his/hers /its（他的什么、她的什么、它的什么）。
复数形式：ours（我们的什么）yours（你们的什么）theirs（他们的什么）。
用法：
◆形容词性物主代词其后必须跟名词。 如:1)形容词性物主代词不能单独使用,后面必接名词,表示所有.如:
my pen我的钢笔 your bag你的书包his bike他的自行车 her desk她的书桌 its name它的名字Is that your bike? 那是你的自行车吗?
Those areour books. 那些是我们的书。
◆如果名词前有形容词性物主代词,就不能同时用冠词(a, an, the)或指示代词(this, that, these, those)修饰此名词。
[正]This ismy pen.√
[误]Thisis my a pen.×
[正]This isa pen.√
[误]This is a my pen.×
◆形容词性物主代词与形容词一起修饰名词时,要放在形容词之前。 如:hisEnglish books 他的英语书
their Chinese friends 他们的中国朋友物主代词：
① 形容词性物主代词相当于一个形容词，在句中作定语用，其后一定要接名词。
例如：Thisis my coat .Those are your sweater.
名词性的物主代词相当于一个名词。
在句中作主语、表语或宾语，能单独使用。
②形容词性物主代词与名词性物主代词之间的关系为：
名词性物主代词 =相应的形容词性物主代词＋名词
例如：Yourbedroom(=yours) is big. Mine (=Mybedroom) is big, too. 你的卧室大。我的卧室也大。
物主代词用法口诀：
物主代词两类型，形容词与名词性。
形容词性作定语，后面定把名词跟。
名词性要独立用，主宾表语它都充。
I．用括号中单词的适当形式填空
1. He is_________(our/ours) English teacher. _________name is Sam（男人名）
2._________(mine/my) dog is white.But_________(her/hers) is black.
3. — Look ! _________car is it? Is it__________(your/yours) ?
— No,_________(our/ours) car is old (旧的).
—It’s_________(their/theirs)car . __________is new.
4．—Arethese___________(you) pencils？ —Yes ,they are_________(our).
5. —Whose pencil is this ? —It’s_________( I ).
6.She is__________( I ) friend.
7.Miss Li often look after (照顾)_________(she) brother.
8.—Are these_________(they) bags？
—No,they aren’t ______(their). Theyare______(we) .
9.This bike is my sister’s . Itis________(she).
10.This isn’t_______( I ) book .________(my) is in the bag.
Ⅱ选择
1. This is my book.________areover there.
A. Your B. Yours C. You D. Mine
2. Whose pen is it? It’s ________pen.
A. her B. hers C. she D. his
3. ________bag is new and ________isnew, too.
A.Our, he B. Ours, his C. My, his D. My, her
4. This room is ours, and that oneis ＿＿.
A. they B. them C. theirs D. their
5. Whose pencils are there? They’re________.
A. my B. me C. mine D. our
6. Is the new watch ________? Yes, it’s ________.
A. you, me B. yours, mine C. your, my D. your, mine
7. Whose shoes are these? They are________.
A. me B. mine C. my D. I
8. She is a student , ________nameis Han Mei.
A. its B. her C. hers D. his
9. It’s a dog. I don’t know________name.
A. its’ B. its C. it D. it’s
10. This ruler isn’t mine. I thinkit is ________.
A. he B. him C. his D. her
11.________schoolbag is beautiful.But ________is more beautiful.
A. Jims, my B. Jim’s,mine C. Jim’s, me D. Jims’, I
12. ________am a boy and ________isa girl.
A. My, she B. I, her C. I, she D. Mine, she
13.I like ________new dress.
A. She B. her C. hers D. his
14.I often help________mother do ________housework(家务活)。
A. me, she B. mine, her C. my, her D. I, hers
15.Is that ________hat? No, it’s not ________. It’s ________.
A. your, my, Toms B. you, mine, Tom’s
C. yours, mine, Tom D. your, mine, Tom’s
16.—Is Tom a friend ofyours?
—Yes, he is a friend of .
A. I B. me C. my D. mine
17.There are his trousers. Give .
A. it to him B. him it C. them to him D. him them
18. This new computer is , I must look after ____ computer.
A. my, mine B. mine, my C. my, my D. mine, mine
19. —Is this new bag ?
—No, it’s .
A. his, his B. his, hers C. yours, my D. hers, your
20.—Is Tom a friend of yours?
—Yes, he is a friend of .
A. I B. me C. my D. mine