Unit 1 语法讲义（讲练结合）2026-2027学年人教版英语七年级上册

该初中英语单元复习讲义以“人称代词-动词be用法-句型转换-物主代词”为逻辑主线，通过表格（如be动词搭配总表、物主代词速记表）和口诀（“I用am，you用are，is跟着he/she/it”）系统梳理知识脉络，突出主谓一致、句型转换等重难点的内在联系。 讲义亮点在于分层练习设计，从基础填空（如用am/is/are填空）到句型转换（如改为否定句、对划线部分提问）再到易错点专项（如缩写混淆it’s与its的辨析），逐步提升语言运用能力。结合自我检测清单引导学生自主查漏，教师可通过综合检测（含单选、短文填空等全题型）实施精准教学，助力不同层次学生夯实基础、提升思维品质。

Unit 1 · 动词 be（am / is / are）与主谓一致 人教版七年级上册 ｜ 语法精讲 · 随堂练 · 综合检测 学习目标 目标一：识别不同人称代词，正确说出人称代词与 am / is / are 的搭配关系，建立主谓一致意识。 目标二：正确运用 am / is / are 构建陈述句和疑问句，介绍自己或他人。 目标三：识别形容词性物主代词，并能结合语境正确使用 my / your / his / her / its / our / their。 第一部分 · 人称代词与主谓一致 一、什么是人称代词？ 人称代词指代“人”或“事物”，分为三类： 第一人称（说话者）：单数 I，复数 we 第二人称（听话者）：单数 you，复数 you 第三人称（被谈论者）：单数 he / she / it，复数 they 二、主谓一致 · be 动词三兄弟 am 搭配 I  ｜  is 搭配 he / she / it 及单数名词  ｜  are 搭配 you / we / they 及复数名词 口诀：I 用 am，you 用 are，is 跟着 he / she / it；单数 is，复数 are，主谓一致要牢记！ 三、教材 3a 精讲 Are you Peter? → Yes, I am. → I 搭配 am Are Meimei and Peter in the same class? → Yes, they are. → they 搭配 are Where is Mr Smith from? → He’s from the US. → he 搭配 is What class are you in? → I’m in Class 1, Grade 7. → you 搭配 are Who’s your class teacher? → It’s Ms Gao. → it 搭配 is 填写： I am，You are，He / She / It is，We / They are 练习一 · 写出 be 动词 1. I _______ 2. You _______ 3. He _______ 4. She _______ 5. It _______ 6. We _______ 7. They _______ 练习二 · 圈出正确的 be 动词 1. I (am / is / are) a student. 2. You (am / is / are) my friend. 3. She (am / is / are) from the UK. 4. We (am / is / are) in Class 3. 5. They (am / is / are) very nice. 第二部分 · be 动词三种形式——详细用法 一、am —— 专属于“我” 只用于主语 I；缩写 I’m；否定 I’m not（没有 amn't） 例：I am a student. / I am 13 years old. / I am from Chengdu. 二、is —— 用于“他/她/它”及单数名词 用于 he / she / it 及单数名词；否定缩写 isn’t 例：She is my classmate. / Mr Smith isn’t in the classroom. 三、are —— 用于“你”和所有复数 用于 you / we / they 及复数名词；否定缩写 aren’t 例：You are my friend. / They are from Australia. 练习三 · 用 am / is / are 填空 1. My father _______a doctor. 2. I_______ in Class 5. 3. The girls _______in the classroom. 4. You _______my best friend. 5. The cat_______ black and white. 6. We_______ from Beijing. 7. He_______ my English teacher. 8. These books _______interesting. 9. It _______a sunny day. 10. My sister and I _______both students. 第三部分 · be 动词句型转换 肯定句：主语 + be + 其他. 否定句：主语 + be + not + 其他.（is not → isn’t，are not → aren’t，am not → I’m not） 一般疑问句：Be + 主语 + 其他？回答：Yes, 主语 + be. / No, 主语 + be + not. 特殊疑问句：疑问词 + be + 主语 + 其他？（What / Where / Who / How） 练习四 · 改为否定句 1. I am a new student. __________________________________________ 2. She is from the US. __________________________________________ 3. They are in the classroom. __________________________________________ 4. He is my classmate. __________________________________________ 5. We are good friends. __________________________________________ 练习五 · 一般疑问句及回答 1. He is your brother. 一般疑问句：__________________________________________ 肯定回答：____________________ 否定回答：___________________ 2. They are in Class 2. 一般疑问句：__________________________________________ 肯定回答：______________________ 否定回答：______________________ 3. I am from China. 一般疑问句： ______________________ 肯定回答：______________________ 否定回答：______________________ 练习六 · 对划线部分提问 1. My name is Li Hua. → ____________________________________________ 2. They are from Canada. → ____________________________________________ 3. She is in the library. → ____________________________________________ 4. His class teacher is Ms Chen. → ______________________________________ 第四部分 · 形容词性物主代词 表示“……的”，后面 必须接名词。 主格 物主代词 示例 I my my book you your your name he his his father she her her cat it its its colour we our our school they their their teacher 练习七 · 用物主代词填空（中文提示） 1. This is ____________（我的）book. 2. ____________（你的）name is Tom, right? 3. She is ____________（她的）sister. 4. We love ____________（我们的）school. 5. They are ____________（他们的）parents. 6. He is ____________（他的）friend. 7. I like ____________（它的）colour. 练习八 · 用括号中所给词的正确形式填空 1. This is____________ (I) classroom. 2. ____________(She) favourite colour is red. 3. What is ____________(you) name? 4. They are ____________(we) new classmates. 5.____________ (He) mother is a nurse. 练习九 · 选择正确的词 1. This is (my / I) friend. 2. (Her / She) name is Mary. 3. (His / He) is from the US. 4. Is this (your / you) bag? 5. (Our / We) are in Class 1. 第五部分 · 易错点与重难点 易错点一：主语与 be 动词搭配错误。如 She am → She is；I is → I am；My friends is → My friends are。 易错点二：and 连接并列主语 → 用 are。如 Tom and I are friends。 易错点三：“favourite + 名词”中，be 由 后面的名词 决定。如 favourite colour is，favourite animals are。 易错点四：缩写混淆：it’s ≠ its；you’re ≠ your；they’re ≠ their / there。 易错点五：一般疑问句回答时，be 与 主语代词 一致。如 Are you? → Yes, I am。 易错点六：there be 就近原则：There is a pen and two books. / There are two books and a pen. 练习十 · 选词填空 1. Tom and Jerry ____________(is / are) good friends. 2. My favourite colour____________ (is / are) blue. 3. Lin Hai's favourite animals ____________(is / are) pandas. 4. You and I____________ (am / are) in the same class. 5. Her favourite subject____________ (is / are) English. 练习十一 · 改错 1. She am a good teacher. → ____________________________________ 2. My favourite colour are red. → ____________________________________ 3. He and I is classmates. → ____________________________________ 4. Your name are Tom. → ____________________________________ 5. They is from the UK. → ____________________________________ 第六部分 · 语法图表总结（必背） be 动词搭配总表 主语 be 动词 缩写 否定缩写 I am I’m I’m not He is He’s He isn’t / He’s not She is She’s She isn’t / She’s not It is It’s It isn’t / It’s not You (单/复) are You’re You aren’t / You’re not We are We’re We aren’t / We’re not They are They’re They aren’t / They’re not 单数名词 is — — 复数名词 are — — 物主代词速记表 主格 物主代词 示例 I my my book you your your name he his his father she her her cat it its its colour we our our school they their their teacher 练习十二 · 用所给主语填 be 动词 1. I ____________　2. You_________ 3. He____________　4. We ____________　5. They ___________6. She ____________7. It ____________8. My sister ____________9. My sisters____________ 　10. Tom and I ____________ 第七部分 · 教材 3b / 3c / 3d 精讲 3b 解析 1. Emma and Ella are twins. They are from the US. 2. I am 12. Song Meimei is 12 too. 3. Lin Hai’s favourite colour is green. 4. Lisa’s pet cat is very cute. 5. Tom and I are both in the school band. 3c 原文填空 Hello! I am Liu Yu. I am 13. I am from Chengdu. My favourite animal is the panda. … She is also 13. She is from Sydney. Her favourite food is Mapo tofu. Sally and I are good friends. 3d 写作指导 His / Her name is Li Ming. He / She is 13. He / She is from Beijing. His / Her favourite colour is blue. 第八部分 · 综合检测（全题型） 一、单项选择题 1. I _______ a student from Shanghai. A. am B. is C. are D. be 2. My mother _______ a nurse. A. am B. is C. are D. be 3. Tom and I _______ good friends. A. am B. is C. are D. be 4. _______ you from the UK? A. Am B. Is C. Are D. Be 5. This _______ my new school. It _______ very big. A. is/is B. is/are C. are/is D. am/is 6. Where _______ your parents? A. am B. is C. are D. be 7. — _______ she your sister? — Yes, she _______. A. Is/is B. Are/are C. Is/am D. Are/is 8. The books _______ very interesting. A. am B. is C. are D. be 9. My favourite colour _______ blue. A. am B. is C. are D. be 10. There _______ a pen and two rulers. A. am B. is C. are D. be 二、用 am / is / are 填空 Hello! My name______ Zhang Wei. I ______12. I ______from Shanghai. This ______my friend. Her name______ Mary. She ______from London. She ______12 too. We ______in the same school. Our school______ beautiful. My favourite subject ______English. Mary’s favourite subject ______Chinese. She thinks it ______interesting. We______ happy. Our teachers ______kind. They ______like friends. 三、物主代词填空 1. This is ______（我的）classroom. 2. What is ______（你的）number? 3. ______（她的）mother is a doctor. 4. We like ______（我们的）teacher. 5. They are ______（他们的）friends. 6. ______（它的）name is Mimi. 7. Tom is in Class 2. ______（他的）classroom is big. 8. I have a sister. ______（她的）favourite colour is pink. 9. You can use ______（你的）dictionary. 10. We love ______（我们的）country. 四、句型转换 1. I am from Beijing.（否定句） __________________________________________ 2. She is in Class 1.（一般疑问句） __________________________________________ 3. They are in the library.（划线提问） __________________________________________ 4. His name is Tom.（划线提问） __________________________________________ 5. Are you a new student?（肯定/否定回答） __________________________________________ 五、短文填空 Good morning! I_______ Li Ming. This _______my friend Wang Lin. We _______in the same grade, but we_______ not in the same class. I _______in Class 2, she_______ in Class 5. Our school _______nice. There _______many trees. My favourite teacher_______ Mr Hu. He_______ funny. We _______happy. 六、句子翻译 1. 我来自中国四川。 __________________________________________ 2. 她是一名好学生，她的名字叫王芳。 __________________________________________ 3. 我们在同一个班级。 __________________________________________ 4. 你最喜欢的科目是什么？ __________________________________________ 5. 他的父母是老师吗？（肯定回答） __________________________________________ 七、改错 1. My sister am 10. → __________________________________________ 2. Tom and Jerry is in the same class. → _____________________________________ 3. There is two books. → ________________________________________ 4. I are from the US. → ________________________________________ 5. Her favourite food are noodles. → ________________________________________ 八、综合选词填空（am/is/are/my/your/his/her/our/their） Dear Peter, I_____ your new friend. _____name is Li Hua. I_____ 13. I_____ from Chengdu. Chengdu_____ a beautiful city. _____favourite animal is the panda. They _____cute. I have a friend. _____name is Sally. She _____from Australia. She_____ 13 too. She and I_____ in the same class. _____class teacher is Ms Chen. She_____ kind._____ favourite food is Mapo tofu. It _____delicious. We_____ happy. 第九部分 · 课后自我检测清单 1. 我能准确说出 am / is / are 搭配哪些主语。 2. 我能正确使用 be 动词的肯定、否定和疑问形式。 3. 我能改正主谓搭配错误的句子。 4. 我能正确使用 my / your / his / her / its / our / their。 5. 我能用 be 动词写自我介绍（约50词）。 6. 我能介绍一位新朋友。 参考答案 练习一： 1. am　2. are　3. is　4. is　5. is　6. are　7. are 练习二： 1. am　2. are　3. is　4. are　5. are 练习三： 1. is　2. am　3. are　4. are　5. is　6. are　7. is　8. are　9. is　10. are 练习四： 1. I am not / I’m not a new student.　2. She is not / isn’t from the US.　3. They are not / aren’t in the classroom.　4. He is not / isn’t my classmate.　5. We are not / aren’t good friends. 练习五： 1. Is he your brother? Yes, he is. / No, he isn’t.　2. Are they in Class 2? Yes, they are. / No, they aren’t.　3. Are you from China? Yes, I am. / No, I’m not. 练习六： 1. What is your name?　2. Where are they from?　3. Where is she?　4. Who is his class teacher? 练习七： 1. my　2. Your　3. her　4. our　5. their　6. his　7. its 练习八： 1. my　2. Her　3. your　4. our　5. His 练习九： 1. my　2. Her　3. He　4. your　5. We 练习十： 1. are　2. is　3. are　4. are　5. is 练习十一： 1. She is a good teacher.　2. My favourite colour is red.　3. He and I are classmates.　4. Your name is Tom.　5. They are from the UK. 练习十二： 1. am　2. are　3. is　4. are　5. are　6. is　7. is　8. is　9. are　10. are 综合检测 · 一： 1. A　2. B　3. C　4. C　5. A　6. C　7. A　8. C　9. B　10. B 综合检测 · 二： is / am / am / is / is / is / is / are / is / is / is / is / are / are / are 综合检测 · 三： 1. my　2. your　3. Her　4. our　5. their　6. Its　7. His　8. Her　9. your　10. our 综合检测 · 四： 1. I am not / I’m not from Beijing.　2. Is she in Class 1?　3. Where are they?　4. What is his name?　5. Yes, I am. / No, I’m not. 综合检测 · 五： am / is / are / are / am / is / is / are / is / is / are 综合检测 · 六： 1. I am from Sichuan, China.　2. She is a good student. Her name is Wang Fang.　3. We are in the same class.　4. What is your favourite subject?　5. Are his parents teachers? Yes, they are. 综合检测 · 七： 1. My sister is 10.　2. Tom and Jerry are in the same class.　3. There are two books.　4. I am from the US.　5. Her favourite food is noodles. 综合检测 · 八： am / My / am / am / is / My / are / Her / is / is / are / Our / is / Her / is / are 学科网（北京）股份有限公司 $