语法专项Unit1 人称代词与一般现在时课件 2025-2026学年仁爱科普版七年级英语上册

教学课件 新仁爱版七年级上册 Unit 1 语法专项——人称代词（主格）& 一般现在时（I） 全解精讲+分层练习 1 学习目标 1.掌握人称代词主格的形式与核心用法 2.理解一般现在时（非三单）的定义和时间标志 3.会运用两种语法完成基础句式转换 4.能纠正语法使用中的常见错误 5.熟练完成不同题型的语法应用练习 语法1 人称代词（主格）- 定义 1.指代人或事物的代词，在句中作主语 2.是句子动作的发出者，位置在谓语动词前 简单判定：句首/谓语前，表“谁做了什么” 例句：I study English.（I作主语，发出study动作） 语法1 人称代词（主格）- 形式分类 人称 单数形式 含义 复数形式 含义 第一人称 I 我 we 我们 第二人称 you 你/你们 you 你们 第三人称 he/she/it 他/她/它 they 他们/她们/它们 语法1 核心考点1：I的书写规则 I永远大写，无任何例外情况 句首：I go to school at 7 o’clock. 句中：You and I are in Grade Seven. 易错点：避免写成小写i，专属大写规则 搭配：I作主语时，be动词固定用am 语法1 核心考点2：三单主语的谓语要求 第三人称单数：he/she/it单独作主语 谓语动词需用第三人称单数形式 示例：He likes music. / It looks cute. 对比：We like music.（非三单主语用动词原形） 提示：后续会详细讲解三单变化规则 语法1 核心考点3：多主格代词并列顺序 基本顺序：第二人称→第三人称→第一人称 记忆口诀：你他我，表礼貌，并列主语要遵守 正确示例：You, she and he like sports. 错误示例：I, you and he like sports. 特殊情况：表错误/责任时，第一人称放前 语法1 核心考点4：it的多重指代（高频） 指代单数事物/动物：It is a new pen. 指代天气：It is rainy today. 指代时间：It is 9 o’clock now. 指代距离：It is far from school to my home. 指代不明身份的人：—Who’s that? —It’s Tom. 语法1 小练习1：选词填空 用括号内正确的主格代词填空 1._________ am a middle school student. (I/Me) 2._________ is my English teacher. (She/Her) 3._________ are my good friends. (They/Them) 4._________ is a cute dog under the tree. (It/Its) 5._________ often play basketball together. (We/Us) I She They It We 语法1 小练习2：单项选择 1.______ is important to do homework on time. A. He B. She C. It D. We 2.______ and Jack are in the same class. A. I B. Me C. My D. Mine 3.—Who is the boy over there? —______ is my cousin. A. She B. He C. They D. It C A B 语法1 小练习3：用适当形式完成句子 1.(he) _________ is a worker in a factory. 2.(we) ________ study in No. 2 Middle School. 3.(it) _________ is a big apple on the table. 4.(you) _________ are a good student. 5.(they) _________ are from Canada. We He It You They 语法1 常见错误辨析（一） 判断正误，对的写T，错的写F并改正 1.Me and my sister go to school together. ( ) 2.She is my aunt, and her is a nurse. ( ) 3.It is snowing, so we stay at home. ( ) 4.I and Tom are late for class. ( ) F My sister and I go to school together. F She is my aunt, and she is a nurse. T T 语法2 一般现在时（I）- 定义 表示经常性、习惯性的动作或状态 也可表示客观真理、客观事实 .动作特征：反复发生，有规律可循 例句：We get up at 6:30 every day.（习惯性动作） 例句：The earth is round.（客观真理） 语法2 一般现在时（I）- 时间状语标志 高频标志词：every day/week/month/year 频率副词：usually, often, sometimes 频率副词：always, never, seldom 例句：We often play football after school. 例句：They never watch TV on school nights. 语法2 一般现在时（I）- 谓语动词规则 适用主语：I/we/you/复数名词/复数代词 谓语动词用原形，无任何形式变化 例句：I play the piano every weekend. 例句：They go to the park on Sundays. 例句：We study Chinese every day. 语法2 一般现在时（I）- 四种基本句式 句式 结构公式 经典例句 肯定句 主语 + 动词原形 + 其他 We play football after school. 否定句 主语 + don’t + 动词原形 + 其他 We don’t play football after school. 一般疑问句 Do + 主语 + 动词原形 + 其他？ Do you play football after school? 特殊疑问句 特殊疑问词 + do + 主语 + 动词原形 + 其他？ What do you do after school? 语法2 核心考点1：客观真理的时态规则 客观真理、自然现象永远用一般现在时 不受时间状语影响，时态固定不变 例句：The sun rises in the east. 例句：Water boils at 100 degrees. 例句：The moon goes around the earth. 语法2 核心考点2：否定/疑问的助动词用法 否定句用助动词don’t，后接动词原形 一般疑问句用助动词Do开头，后接动词原形 特殊疑问句：疑问词+Do+主语+动词原形 易错点：助动词后动词不能变三单/加ing 示例：Do you like apples?（like用原形） 语法2 小练习1：动词适当形式填空 1.I _________ (get) up at 6:00 every morning. 2.They _________ (play) football every Saturday. 3.We ____________ (not watch) TV on school nights. 4.Do you _________ (like) eating ice cream? 5.My parents _________ (go) to work by bus. get play don’t watch like go 语法2 小练习2：单项选择 1.We often ______ to the park on Sundays. A. goes B. go C. going D. to go 2.I ______ like swimming, but my brother does. A. don’t B. doesn’t C. am not D. isn’t 3.—What ______ they usually do after dinner?—They usually take a walk. A. do B. does C. is D. are B A A 语法2 小练习3：按要求改写句子 1.We often play basketball after school.（否定句） 2.They watch TV every evening.（一般疑问句） 3.I do my homework at home every day.（对划线提问） 4.Do you like listening to music?（肯定回答） We don’t often play basketball after school. Do they watch TV every evening? What do you do at home every day? Yes, I do. 语法2 小练习4：根据汉语提示完成句子 1.我们每天早上七点吃早餐。 ______ ______ breakfast at 7:00 every morning. 2.他们不喜欢吃蔬菜。 They ______ ______ eating vegetables. 3.你周末经常去公园吗？ ______ you often ______ to the park on weekends? We have don’t like Do go 语法2 常见错误辨析（二） 判断正误，对的写T，错的写F并改正 1.He don’t like playing computer games. ( ) 2.We usually go to bed at 9:30 in the evening. ( ) 3.Do you likes reading storybooks? ( ) 4.They doesn’t go to school on Sundays. ( ) F He doesn’t like playing computer games. T F Do you like reading storybooks? F They don’t go to school on Sundays. 语法综合练习1：选词填空 综合人称代词主格和一般现在时知识点 1.______ (I/Me) ______ (go) to school at 7:30. 2.______ (They/Them) ___________ (not play) basketball on Mondays. 3.______ (She/Her) ______ (like) listening to music. 4.______ (It/Its) ______ (is) a cat, it ______ (like) fish. I go They don’t play She likes It is likes 语法综合练习2：单项选择 1.______ and I are good friends, we often ______ together. A. She; play B. Her; play C. She; plays D. Her; plays 2.—______ is your mother? —______ is a teacher. A. What; She B. Who; He C. What; He D. Who; She 3.We ______ often ______ TV, but we ______ TV now. A. don’t; watch; watch B. don’t; watch; are watching A A B 语法综合练习3：句式转换 1.I often read books in the evening.（否定句） 2.You play the piano every weekend.（一般疑问句） 3.They do their homework at school.（对划线提问） 4.Do we go to the zoo on Sundays?（否定回答） I don’t often read books in the evening. Do you play the piano every weekend? What do they do at school? No, we don’t. 语法综合练习4：根据汉语完成句子 1.他擅长打篮球，我们经常和他一起打。 ______ is good at playing basketball. _____ often play with him. 2.你们每天都做运动吗？是的，我们做。 ______ you do sports every day? Yes, ______ ______. 3.它是一只小狗，它喜欢和孩子们玩。 ______ is a little dog, it ______ playing with children. He We Do we do It likes Unit1 易混知识点对比（一） 易混点 正确用法 错误示例 I/me I作主语，me作宾语 Me am a student. she/her she作主语，her作宾语 Her is my sister. they/them they作主语，them作宾语 Them are my parents. Unit1 易混知识点对比（二） 易混点 正确用法 错误示例 don’t/doesn’t 非三单用don’t He don’t like apples. Do/Does 非三单用Do Does you go to school? 动词形式 非三单用原形 We plays football. 语法核心考点梳理（人称代词） 1.I永远大写，be动词搭配am 2.三单主语he/she/it后接动词三单 3.多主格并列：你他我，犯错我在前 4.it可指事物、天气、时间、距离、不明身份的人 5.主格作主语，位于谓语动词之前 语法核心考点梳理（一般现在时） 1.表经常性动作/客观真理，有固定时间标志 2.非三单主语后，谓语动词用原形 3.否定句：主语+don’t+动词原形 4.一般疑问句：Do+主语+动词原形？ 5.客观真理永远用一般现在时，助动词后接原形 学习总结 1.掌握了人称代词主格的6种形式和5个核心考点 2.理解了一般现在时（非三单）的定义和时间标志 3.熟练运用一般现在时的四种基本句式转换 4.能区分主格代词易混点，纠正常见语法错误 5.能综合运用两种语法完成不同题型的练习 教学课件 Unit 1 语法专项——人称代词（主格）& 一般现在时（I） Thank you for listening! 33 $