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译林版·七年级英语下册期中复习
—— 形容词性物主代词 & 名词性物主代词
物主代词表示“所有关系”，分为形容词性物主代词（简称“形代”）和名词性物主代词（简称“名代”）。译林版七下Unit 1《Dream homes》中大量出现，如my home, your bedroom, hers等。期中考试常以单选、填空、句型转换形式考查两者的区别与正确使用。本讲系统梳理对应关系、用法规则，并通过分层练习确保学生完全掌握。
一、物主代词完整对照表
人称 形容词性物主代词
(后必须接名词) 名词性物主代词
(单独使用，不能接名词) 中文释义
第一人称单数 my mine 我的
第二人称单数/复数 your yours 你的/你们的
第三人称单数 his his 他的
her hers 她的
its its 它的
第一人称复数 our ours 我们的
第二人称复数 your yours 你们的
第三人称复数 their theirs 他/她/它们的
口诀速记：形代后面跟名词，名代独立不伴词；my变mine，your变yours，her变hers，our变ours，their变theirs，his和its都一样。
二、核心用法与对比
形容词性物主代词：必须放在名词前，作定语，不能单独使用。例如：This is my book. (不能说 This is my.)
名词性物主代词：相当于“形容词性物主代词 + 名词”，可以单独使用，避免重复。例如：This book is mine. (= my book)
两者可互换表达，但结构不同：This is my pen. = This pen is mine.
句型结构 示例 说明
形代 + 名词 This is her schoolbag. her修饰schoolbag
名代单独作主/宾/表 The schoolbag is hers.
Yours is on the desk. hers = her schoolbag
三、易错陷阱与期中高频考点
陷阱1：形代和名代不能混用。误：This book is my. 正：This book is mine.
陷阱2：its 与 it's 的区别：its是“它的”；it's = it is。考试中常考拼写。
陷阱3：双重所有格：a friend of mine (我的一个朋友) 结构中要用名代。
陷阱4：名代作主语时，谓语动词由所指代的名词单复数决定。例如：His books are new, but mine is old. (mine指代my book单数)
典型例题（基础+提升）
1. (单选) —Is this _______ backpack —No, it's not _______. It's _______.
A. your; my; his B. your; mine; his C. yours; mine; her D. your; mine; her
2. (填空) This is not my dictionary. _______ (我的) is on the desk. [1分]
3. (改错) I have a pet cat. It's name is Mimi. (找出错误并改正)
4. (完成句子) 我们的教室比他们的大。
Our classroom is bigger than _______.
5. (用适当代词填空) —Whose bike is this —It's _______(she). ________(I) is over there.
分层实战演练（总分50分）
A组 · 用适当的形容词性或名词性物主代词填空（每空1.5分，共15分）
1. This is ________ (I) pen. ________ (you) is on the table.
2. She has a brother. ________ (she) brother is 12 years old.
3. We love ________ (we) school. The library is ________ (we) favourite place.
4. —Is this ________ (they) classroom —No, ________ (they) is next to the lab.
5. The dog is wagging ________ (it) tail. That toy is ________ (it).
6. I can't find my keys. Can I use ________ (you)
B组 · 单项选择（每题2分，共14分）
1. This is not _______ schoolbag. _______ is black.
A. my; My B. mine; My C. my; Mine D. mine; Mine
2. —Whose coat is this —It's _______.
A. my sister B. my sisters C. my sister's D. sisters
3. This is _______ English book. _______ is over there.
A. his; Her B. his; Hers C. him; Hers D. he; Her
4. Our classroom is bigger than _______.
A. they B. theirs C. them D. their
5. I have a cat. _______ name is Kitty. _______ is very cute.
A. It's; It B. Its; It C. Its; It's D. It; Its
6. —Is this your bike —No, it's not _______. It's _______.
A. my; her B. mine; hers C. me; she D. mine; her
7. These are _______ books. Please give _______ to _______.
A. my; them; me B. mine; they; I C. my; they; me D. mine; them; I
C组 · 句型转换（每空2分，共12分）
1. This is my pencil. (改为同义句)
This pencil is _______.
2. That is her dictionary. (改为同义句)
That dictionary is _______.
3. These are their computers. (改为同义句)
These computers are _______.
4. Is this your coat (用名词性物主代词回答，肯定)
Yes, it's _______.
5. My room is tidy, but her room is messy. (用名词性物主代词简化)
My room is tidy, but _______ is messy.
D组 · 短文填空（用适当物主代词填空，每空1分，共9分）
Dear Tom,
I'm writing to tell you about my new school. _______(1) school is big and beautiful. I have a new friend, Li Hua. _______(2) English name is Leo. This is _______(3) (we) classroom. It's on the third floor. _______(4) (I) desk is near the window. What about _______(5) (you) Is _______(6) (you) classroom big I have a pet dog. _______(7) (it) name is Wangcai. That toy bone is _______(8) (it). Please write to me and tell me about _______(9) (you) school life.
Yours, Mike
参考答案
典型例题：
1. B (your backpack; not mine; his)
2. Mine
3. It's → Its (Its name)
4. theirs
5. hers; Mine
A组填空：
1. my; Yours 2. Her 3. our; our 4. their; theirs 5. its; its 6. yours
B组单选：
1. C 2. C (名词所有格) 3. B 4. B 5. B 6. B 7. A
C组句型转换：
1. mine 2. hers 3. theirs 4. mine 5. hers
D组短文：
1. My 2. His 3. our 4. My 5. yours 6. your 7. Its 8. its 9. your
※ 总分：典型例题(9分) + 实战(15+14+12+9=50分) = 59分。建议限时25分钟完成，重点讲评形代与名代互换及its/it's区别。

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