Unit 1 单元语法：be动词的用法、人称代词、物主代词（精讲课件）2026-2027学年七年级英语上册单元核心知识精讲精练（新教材人教版）

该初中英语单元复习课件系统梳理了Unit 1核心语法点，包括be动词的用法、人称代词和物主代词，通过口诀、表格及例句解析建立知识网络，如be动词的“我用am你用are”口诀、人称代词主格宾格对比表，帮助学生构建完整的语法知识体系。 其亮点在于采用“基础巩固-拓展提升”的分层复习策略，如课后练习通过短文填空强化be动词运用，拓展练习以单项选择和代词填空提升综合能力，培养学生的语言能力和学习能力。这种设计让不同水平学生均有收获，教师可依托资料高效开展针对性复习。

新人教版/英语/七年级 语 法 专 项 Unit 1 You and Me 人教版新教材 语法点 Unit 1 You and Me be 动词的用法 人称代词 物主代词 Unit 2 We’re Family 主谓一致 S型所有格 Unit 3 My School 方位介词及短语 there be 句型 Unit 4 My Favorite Subject 连词 and, but 和 because 的用法 Unit 5 Fun Clubs 情态动词 can play+乐器/球类/棋牌 Unit 6 A Day in the Life 时间表达法 问时间 频率副词 Unit 7 Happy Birthday 基数词和序数词 日期的表达 疑问副词 CONTENT 目录 be动词的用法 1 2 3 人称代词 物主代词 4 5 课后练习 拓展练习 01 be动词的用法 be动词的用法 be 动词也叫做系动词，本身含义为 “是；存在；在”，用来连接主语和表语（名词、形容词、地点等）。 be 动词有3 种基础变形：am /is/are 还有过去式变形：was /were（七下重点） 我 (I) 用 am，你 (you) 用 are， is 连着他她它 (he/she/it)， 单数名词用 is，复数名词全用 are。 用法口诀 be动词的用法 be动词的缩写 I am=I’m he is=he’s she is=she’s it is=it’s we are=we’re you are=you’re they are=they’re is not=isn’t are not=aren’t be动词的用法 含有 be 动词的一般现在时肯定句结构：主语+be 动词 (am, is, are) + 其他 主语 be 动词（完整形式 / 缩写） 例句 中文 I am / I'm a middle school student 我是一名中学生。 You are / you're my deskmate. 你是我的同桌。 She is / she's my English teacher. 她是我的英语老师。 He is / he's from Shanghai. 他来自上海。 It is / it's my new schoolbag. 它是我的新书包。 We are / we're in Class 2, Grade 7. 我们在七年级二班。 They are / they're good friends. 他们是好朋友。 be动词的用法 否定句通用结构：主语 + be 动词 (am/is/are) + not + 其他 完整形式 缩写形式 例句 中文翻译 I am not I'm not I'm not a teacher. 我不是老师。 he is not he's not / he isn't He isn't in the classroom. 他不在教室里。 she is not she's not / she isn't She isn't from America. 她不是美国人。 it is not it's not / it isn't It isn't my pencil box. 它不是我的铅笔盒。 we are not we're not / we aren’t We aren't in Class 1. 我们不在一班。 you are not you're not / you aren't You aren't late today. 你今天没有迟到。 they are not they're not / they aren't They aren't my books. 它们不是我的书。 be动词的用法 一般疑问句通用结构：Be 动词 (am/is/are) + 主语 + 其他？ 句首 be 动词 主语 例句 中文翻译 Are you a middle school student? 你是一名中学生吗？ Is she your music teacher? 她是你的音乐老师吗？ Is he good at playing football? 他擅长踢足球吗？ Is it your new schoolbag? 它是你的新书包吗？ Are you in Class Three? 你们在三班吗？ Are ？ they your deskmates? 他们是你的同桌吗？ be动词的用法 选择疑问句通用结构：Be 动词 + 主语 + 选项 A + or + 选项 B？ 句首 be 主语 问句选项 A or 问句选项 B 中文翻译 Are you a Grade Seven student or a Grade Eight student? 你是七年级学生还是八年级学生？ Is she tall or Short? 她个子高还是矮？ Is he drawing pictures or reading books? 他正在画画还是看书？ Is it your pencil box or your sister’s? 这是你的文具盒还是你姐姐的？ Are you in Class Two or in Class Four? 你们在二班还是四班？ Are they from China or from Canada? 他们来自中国还是加拿大？ be动词的用法 特殊疑问句通用结构：特殊疑问词 + be 动词 (am/is/are) + 主语 + 其他？ 特殊疑问词 be 动词 例句 中文翻译 Who are you? 你是谁？ Who is that young lady? 那位年轻女士是谁？ What is your brother doing? 你的弟弟正在做什么？ What is this small box? 这个小盒子是什么？ What are your classmates drawing? 你的同学们正在画什么？ Who are the students waiting for? 这些学生正在等谁？ be动词的用法 1.She is Linda. 2.I am from Canada. 3.They are running. 4.This is my notebook. 5.She is my cousin. Is she Linda? Yes, she is./No,she isn’t. Are you from Canada? Yes, I am./No, I'm not. Are they running? Yes,they are./No,they aren’t. Is this your notebook? Yes, it is./No,it isn’t. Is she your cousin? Yes, she is./No, she isn’t. 将下列句子改为一般疑问句，并做肯定和否定回答。 02 人称代词 人称代词 人称代词分为主格和宾格；主格放在谓语动词前面作主语，代表动作的发出者；宾格放在谓语动词后面作宾语，代表动作的承受者。 人称 单数 - 主格 单数 - 宾格 复数 - 主格 复数 - 宾格 第一人称 I me we us 第二人称 you you you you 第三人称 he she it him her it they them 人称代词 主语 宾语 表语 She likes reading novels, but I don’t. 她喜欢读小说，但我不喜欢。 Neither I nor he likes playing basketball. 我和他都不喜欢打篮球。 I knew at once that it was him. 我立刻就认出那是他。 She told us girls to finish our homework early. 她叮嘱我们女孩早点完成作业。 人称 代词 可以 作… 同位语 人称代词 You, she and I join the school music club. 你、她和我加入了学校音乐社团。 I and she forgot to bring our textbooks. 我和她忘记带课本了。 He and she love playing badminton after class. 他和她都喜欢课后打羽毛球。 多个人称代词并列时，遵循礼让他人的礼貌排序原则。单数人称顺序：二三一（you → he/she → I） 主格：you, she and I 宾格：you, her and me 复数人称顺序：一二三（we → you → they） 主格：we, you and they 宾格：us, you and them 补充特殊规则 ① 男女并列：男性代词 he 放前面，女性 she 放后面； ② 承担过错、责任时：第一人称 I/me 放在最前面； ③ 人与动物并列：人称代词放在动物名词之前。 03 物主代词 物主代词 物主代词表示 “…… 的”，分为形容词性物主代词、名词性物主代词两大类。 人　称 单　数 复　数 形容词性 物主代词 名词词性 物主代词 形容词性 物主代词 名词词性 物主代词 第1人称 my 我的 mine 我的 our我们的 ours我们的 第2人称 your 你的 yours 你的 your你们的 yours你们的 第3人称 his 他的 his 他的 their他们的 theirs他们的 her 她的 hers 她的 its 它的 its 它的 物主代词 物主代词的分类 形容词性物主代词：后面必须搭配名词使用，作限定词，用来修饰名词。 my notebook 我的笔记本 your classroom 你的教室 his basketball 他的篮球 her pencil-box 她的文具盒 its tail 它的尾巴 our classroom 我们的教室 their magazines 他们的杂志 归类说明：属于限定词，不能单独使用。 名词性物主代词：本身自带名词含义，后面不能再加名词，等同于 “形容词性物主代词 + 名词”，属于属格结构。 The storybook is mine. 这本故事书是我的。 The new bike is yours. 这辆新自行车是你的。 These painting works are ours. 这些绘画作品是我们的。 That pair of sports shoes is theirs. 那双运动鞋是他们的。 归类说明：属于属格结构，可独立在句中充当表语、主语、宾语。 物主代词 形容词性物主代词 形容词性物主代词只能作定语，后面必须紧跟名词，属于限定词 my notebook your coat his basketball her pencil box its mouth our classroom their storybooks His bag is beside the desk. 他的书包在桌子旁边。 Her brother likes playing football. 她的弟弟喜欢踢足球。 Our library is big and bright. 我们的图书馆又大又明亮。 Their dog runs very fast. 他们的小狗跑得很快。 Your umbrella is under the chair. 你的雨伞在椅子下面。 物主代词 名词性物主代词 名词性物主代词可在句中单独使用，能充当主语、宾语、表语，后面不能接任何名词。 词汇：mine、yours、his、hers、ours、theirs，属于属格结构，等同于“形容词性物主代词 + 名词” 例句 1 These toy cars are yours. Ours are on the desk. yours = your toy cars ours = our toy cars 这些玩具车是你的。我们的在书桌上。 例句 2 That lovely cat isn’t theirs. theirs = their cat 那只可爱的小猫不是他们的。 物主代词 物主代词搭配 own 的两种强调结构 语法规则：形容词性物主（my/your/his/her/our/their）后可加 own 加强 “专属、自己的” 语气，分为 one’s own + 名词 和 名词 + of one’s own 两种结构。 结构1：one’s own + 名词（own 后接名词，作前置定语） They have their own hobbies. 他们有着属于自己的爱好。 I write stories with my own pens.我用自己的笔写故事。 结构2：名词 + of one’s own（of one’s own 后置修饰名词，后面不能再加名词） She hopes to have a small garden of her own. 她希望拥有一座完全属于自己的小花园。 He wants a quiet study of his own. 他想要一间完全属于自己的安静书房。 04 课后练习 课后练习 人称代词 am are is are 课后练习 am am am is is is is are 课后练习 Hello, I’m Li Ying. This is my new friend. Her name is Mary. She’s from Canada. There are 3 people in her family, her mother is a Chinese teacher, she is beautiful, her father is an engineer, he is smart. her favorite animal is dog, her favorite color is purple. This purple school bag is hers, not mine. I like her very much. We are good friends. 05 拓展练习 拓展练习 单项选择 1．That ________ a lovely cat. A．is B．Are C．be 2．There ________ a lot of delicious food on the table. A．is B．are C．has D．have 3．There ________ a teacher’s office on the first floor. A．is B．are C．am 4．—What’s your name? —________ Li Ming. A．I’m B．I C．My D．Me 5．—How old ________ your sister? —She is twelve. A．am B．is C．are 6．—Is this your pencil? —No, it isn’t. ________ is black. A．My B．Mine C．I D．Me 拓展练习 7．—Is this _________ schoolbag? —No, _________ is in my desk. A．your; my B．your; mine C．her; my D．her; mine 8．—Is this your notebook? — No, it isn’t. ________ is in my bag. A．Mine B．Yours C．Hers D．His 9．The white model plane is ________. A．her B．she C．hers 10．—Is this your ruler? —No, it isn’t. It’s ________. A．he B．his C．Him 11．That yellow tape is _____ ___. A．my B．mine C．I 12．—Is this model plane yours? —No. It’s ________. A．him B．his C．he 拓展练习 13．________ should help each other with our study. A．I, you and he B．You, he and I C．He, you and I D．You, I and he 14．________ are good friends. A．I and he B．He and I C．Me and him 15．—Is the man with glasses your English teacher? —No. He teaches ________ Biology. His lessons are interesting. A．him B．us C．them D．you 16．—What colour are your shoes? —________ white. A．It’s B．They’re C．That’s D．This’s 17．We _________ in Class One, and my brother _________ in Class Two. A．are; is B．is; are C．am; is D．are; am 18．They ________ good friends. A．be B．is C．are 拓展练习 I, me, my, mine, you, your, yours, he, him, his, she, her, hers, it, its, we, us, our, ours, they, them, their, theirs 1．This is my new pen. colour is blue. I like it very much. 2．— Is this pencil case, Lily? — No, it’s not . It’s Tom’s. 3．My aunt is a teacher. teaches English in a middle school. We all like . 4．The storybook is not . I think it’s . You see, her name is on the cover. 5．— Where are the students? — are playing basketball on the playground. Let’s go and join . 6．This is classroom. clean it every day. 7．The dog is cute. has a short white tail. 8．These are not toys. are in the box over there. 9． want to go to the museum. Can you go with ? 10．The boy has a new bike. father bought it for . Its your mine She her yours hers They them our We It their Theirs I me His him 31 新人教版/英语/七年级 THE END Unit 1 You and Me null 98248.305 eng - iTunNORM 000000D8 000000DE 00000875 00000854 00016AC1 0001501F 00007E86 0000741A 00011939 00010E4E� eng - iTunSMPB 00000000 00000210 00000916 000000000042115A 00000000 003BD65E 00000000 00000000 00000000 00000000 00000000 00000000� $