Unit 8 Collecting as a hobby-Grammar 同步练 2025-2026学年沪教版七年级上册英语

7A Unit 8 Collecting as a hobby ⭐Grammar 知识点清单 一、知识点清单（精讲版） 1. 核心概念：代词分类 本单元重点讲解两类代词： 1. 人称代词（Personal pronouns）：指代人或事物，分主格和宾格。 2. 物主代词（Possessive adjectives & pronouns）：表示所属关系，分形容词性物主代词和名词性物主代词。 2. 人称代词（主格 vs 宾格） 人称 主格（Subject） 宾格（Object） 用法说明 第一人称单数 I me 主格：动词前作主语；宾格：动词 / 介词后作宾语 第二人称单 / 复数 you you 同上 第三人称单数 he/she/it him/her/it 同上 第一人称复数 we us 同上 第三人称复数 they them 同上 · 教材例句： · She collects rocks in her free time.（主格 she 作主语） · She found it in the river near her home.（宾格 it 作宾语） 3. 物主代词（形容词性 vs 名词性） 形容词性物主代词（后接名词） 名词性物主代词（独立使用，不接名词） 含义 my mine 我的 your yours 你的 / 你们的 his/her/its his/hers 他的 / 她的 / 它的 our ours 我们的 their theirs 他们的 · 核心规则（教材重点）： · 形容词性物主代词 必须后接名词：my favourite robot · 名词性物主代词 单独使用，不接名词：The beautiful bookmarks are mine. · 教材例句： · This is my favourite coin.（my 后接名词 coin） · Those beautiful bookmarks over there are mine too.（mine 独立使用，= my bookmarks） 4. 易错点避坑 1. 主格 / 宾格混淆： ❌ Me collects rocks. → ✅ She collects rocks.（主语用主格） ❌ The rocks are I. → ✅ The rocks are mine.（表语用名词性物主代词） 2. 形容词性 / 名词性物主代词混淆： ❌ This is mine favourite robot. → ✅ This is my favourite robot.（后接名词用 my） ❌ The favourite robot is my. → ✅ The favourite robot is mine.（不接名词用 mine） 3. its 易混点：its（它的，形容词性物主代词）≠ it's（it is 的缩写） 二、同步练习 基础题（教材配套难度） 一、用括号内代词的正确形式填空 1. ______ (I) collect rocks in ______ (I) free time. ______ (They) are from lakes and rivers. 2. Su Mei found ______ (it) in the river near ______ (she) home. 3. The beautiful bookmarks are ______ (I). ______ (He) collection includes some coffee cups. 4. Look at the smiley face cup. It's ______ (he) too. 5. These plants belong to Susan. The big one is ______ (she) favourite. 二、按教材例句完成句子（Unit8 第 122 页） 1. My elder brother collects model robots. ______ has 28 of them. ______ favourite robot was made in Shenzhen. 2. ______ mother just came back from a trip to Xiamen. ______ brought me many beautiful shells. 3. The little girl loves bottles. Those pretty little bottles are ______. 4. —Look at the red and white car models. Are they ______, Lucas? —No. They are Tina's. ______ are green and black. 提升题（易错点强化） 三、改错（每句一处错误） 1. Me and my friend like collecting things. → _______________ 2. This is my favourite coin. I found it in a shop in Hamelin. It is mine coin. → _______________ 3. Those beautiful bookmarks are my too. → _______________ 4. The dog has it favourite toy. → _______________ 5. She found the rock in the river near her home. It is her favourite. It is she. → _______________ 四、句型转换（同义句改写） 1. This is my favourite rock.（用名词性物主代词改写） 2. Those are his coffee cups.（用名词性物主代词改写） 3. The plants belong to Susan.（用名词性物主代词改写） 4. This is our collection.（用名词性物主代词改写） 参考答案 一、代词形式填空 1. I; my; They 2. it; her 3. mine; His 4. his 5. her 二、教材句子完成 1. He; His 2. My; She 3. hers 4. yours; Mine 三、改错 1. My friend and I like collecting things.（主语用主格，且 I 放后） 2. This is my favourite coin. I found it in a shop in Hamelin. It is my favourite coin. / It is mine. 3. Those beautiful bookmarks are mine too. 4. The dog has its favourite toy. 5. She found the rock in the river near her home. It is her favourite. It is hers. 四、同义句改写 1. This favourite rock is mine. 2. Those coffee cups are his. 3. The plants are Susan's. / These plants are hers. 4. This collection is ours. 1 学科网（北京）股份有限公司 $