Unit1语法讲练2025-2026学年外研版英语七年级上册

2025-12-12
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2025-2026 学年外研版英语(2024)七年级上册 Unit1 语法讲练Be 动词与代词的用法 一、核心知识精讲 (一)Be 动词的用法: 1. 基本形式匹配表 主语类型 对应 Be 动词 否定形式 缩写形式 第一人称单数(I) am am not I’m 第三人称单数(he/she/it/ 单数名词) is is not he’s/she’s/it’s 第二人称单 / 复数(you)、第一人称复数(we)、第三人称复数(they / 复数名词) are are not you’re/we’re/they’re 2. 句式转换规则 一般疑问句:将 Be 动词提前至句首,句末加问号。 肯定回答:Yes, 主语 + Be 动词. (注意:肯定回答中 Be 动词不与主语缩写) 否定回答:No, 主语 + Be 动词 + not. 例:Are you from America? (你来自美国吗?) No, I’m not. I’m from England. (不,我不是。我来自英国。) 否定句:在 Be 动词后直接加 “not”, is not 可缩写为 “isn’t”, are not 可缩写为 “aren’t”, am not 一般不缩写。 例:Tony isn’t Chinese. (托尼不是中国人。)We aren’t in Class 3. (我们不在三班。) (二)代词辨析: 1. 人称代词:主格与宾格的分工 人称代词有 “主格” 和 “宾格” 两种形式,主格作句子的主语,宾格作动词或介词的宾语。 人称 主格(作主语) 宾格(作宾语) 例句(结合单元对话) 第一人称单数 I me She helps me. (她帮助我。) 第二人称单 / 复数 you you Nice to meet you. (很高兴见到你 / 你们。) 第三人称单数 he/she/it him/her/it This is Betty. I like her. (这是贝蒂,我喜欢她。) 复数人称 we/they us/them Ms Li teaches us English. (李老师教我们英语。) 2. 物主代词:“谁的” 专属表达 物主代词分为形容词性和名词性,核心区别在于是否能单独使用。 人称 形容词性物主代词(后接名词,作定语) 名词性物主代词(单独使用,代指 “某人的某物”) 例句(结合单元主题) 第一人称单数 my mine This is my pen. = The pen is mine. (这是我的钢笔。) 第二人称单 / 复数 your yours Is this your book? = Is this book yours? (这是你的书吗?) 第三人称单数 his/her/its his/hers/its That is her bag. = That bag is hers. (那是她的包。) 复数人称 our/their ours/theirs These are our desks. = These desks are ours. (这些是我们的书桌。) 二、常见易错点突破 Be 动词与主语搭配错误错误:He am a boy. 正确:He is a boy. (第三人称单数用 is)错误:We is students. 正确:We are students. (复数主语用 are)口诀:I 用 am,you 用 are,is 连着 he/she/it,复数全部都用 are。 代词格数混淆错误:Me am from Shanghai. 正确:I am from Shanghai. (主格作主语)错误:She likes I. 正确:She likes me. (宾格作动词宾语)关键:主语位置用主格,动词 / 介词后用宾格。 物主代词功能混淆错误:This is mine book. 正确:This is my book. (形容词性物主代词后接名词)错误:The bag is her. 正确:The bag is hers. (名词性物主代词单独使用)技巧:名词性物主代词 = 形容词性物主代词 + 名词 一般疑问句回答缩写错误错误:—Are you Lingling? Yes, I’m. 正确:Yes, I am. (肯定回答中 be 动词不缩写) 三、即时小练:基础巩固 用 be 动词的适当形式填空 ① My name ______ Li Fang. I ______ a teacher. ② Tony and Betty ______ from England. They ______ our friends. ③ —______ you thirteen years old?—No, I ______ not. I ______ twelve. 选择合适的代词填空 ① This is Daming. ______ is from Beijing. I often play with ______. (he/him) ② —Is this ______ pen, Lingling?—No, it isn’t ______. It’s Betty’s. (your/yours) ③ Ms Li teaches ______ English. We all like ______. (we/her) 四、单元语境精练: (一)语篇填空:介绍新同学 根据上下文,用 be 动词或代词的适当形式补全短文,每空 1 分。Hello, everyone! This 1. ______ our new classmate. 2. ______ name is Wang Li. 3. ______ is from Shanghai. 4. ______ English name is Lucy. Look! Those are 5. ______ books. The red one is 6. ______. 7. ______ are in Class 4, Grade 7. Our teacher 8. ______ Ms Li. 9. ______ is very kind. We all like 10. ______. (二)句型转换:按要求改写句子 Tony is from Cambridge. (改为一般疑问句并作否定回答)— ______ Tony from Cambridge?—No, ______ ______. My classmates are in Class 4. (改为否定句) My classmates ______ ______ in Class 4. This is my English book. (改为同义句) This English book ______ ______. I’m twelve years old. (对划线部分提问) ______ ______ ______ you? 五、综合闯关训练 (一)单项选择 1.—Hello! My name ______ Wu Jun.—Hello! I ______ Alan. A. is; am B. am; is C. is; is D. am; am 2.—Where are ______ from?—______ am from China. A. he; He B. you; I C. they; They D. she; She 3.Tony and Daming ______ good friends. A. is B. are C. am D. be 4.—Is this ______ ruler?—No, it isn’t. ______ is blue. A. your; My B. yours; Mine C. your; Mine D. yours; My 5.—Are you from America?—______. I’m from England. A. Yes, I am B. No, I’m not C. Yes, I’m not D. No, I am 6.This is Betty. ______ is English. I like ______. A. She; her B. Her; she C. She; she D. Her; her 7.—How old ______ Lingling?—______ is thirteen. A. is; He B. are; She C. is; She D. are; He 8.We ______ in Grade Seven. Our classroom ______ big. A. are; is B. is; are C. are; are D. is; is 9.—Nice to meet you, Jim.—______. A. Thank you B. I’m fine C. Nice to meet you, too D. Goodbye 10.—Whose bags are these?—They are ______. A. them B. theirs C. their D. they (二)改错题:下列句子各有一处错误,请找出并改正 1. Him is my brother. His name is Tom.______ 2. ______ 3. I’m from Chin 4. A. I’m a Chinese.______ 5. ______ (提示:Chinese 作 “中国人” 时单复数同形) 6. They are not in same class.______ 7. ______ 8. This is yours pen. My is on the desk.______ 9.  ;  10. ______ 11. Ms Li are our English teacher. We like her.______ 12. ______ (三)情景对话:用 be 动词或代词补全对话 A: Hello! What’s 1. ______ name?B: My name is Lucy. And what’s 2. ______ name?A: 3. ______ am Jack. Nice to meet 4. ______, Lucy.B: Nice to meet 5. ______ too, Jack. 6. ______ are you from?A: I’m from London. 7. ______ you from London too?B: No, I 8. ______ not. I’m from New York.A: Is that boy your friend?B: Yes, he 9. ______. 10. ______ name is Tom. 六、单元语法小结 语法类型 核心规则 单元必背例句 Be 动词 随主语变化(I am, 单三 is, 复数 /you are),可表身份、来源、年龄 I’m thirteen years old. I’m from Beijing. 人称代词 主格作主语,宾格作动词 / 介词宾语(I me, he him, she her) She is my friend. I like her. 物主代词 形容词性后接名词(my book),名词性单独使用(=my book) This is your pen. That one is mine. 答案与解析 三、即时小练 ① is; am ② are; are ③ Are; am; am ① He; him ② your; yours ③ us; her 四、单元语境精练 (一)1. is 2. Her 3. She 4. Her 5. her 6. hers 7. We 8. is 9. She 10. her(二)1. Is; he isn’t 2. are not 3. is mine 4. How old are 五、综合闯关训练 (一)1.A 2.B 3.B 4.C 5.B 6.A 7.C 8.A 9.C 10.B(二)1. Him He 2. 去掉 a 3. same 前加 the 4. yours your; My Mine 5. are is(三)1. your 2. your 3. I 4. you 5. you 6. Where 7. Are 8. am 9. is 10. His 学科网(北京)股份有限公司 $

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Unit1语法讲练2025-2026学年外研版英语七年级上册
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Unit1语法讲练2025-2026学年外研版英语七年级上册
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