语法专项 Unit 6 语法专项-基数词&序数词&一般现在时 vs 现在进行时2025-2026学年仁爱科普版英语七年级上册

该初中英语课件聚焦基数词、序数词及一般现在时与现在进行时，从定义入手分层讲解基数词1-12特殊形式、13-19/-teen结尾等变化规则，序数词1-3特殊变化及整十变y为ie规则，通过对比表格梳理两种时态区别，构建从基础到应用的学习支架。 其亮点在于通过分层练习（填空、单选、句式转换等）和易混知识点对比表，强化语言能力与思维品质，如“判断正误”练习纠正常见错误，核心考点梳理提升学习能力。学生能系统掌握语法应用，教师可直接用于课堂教学提高效率。

教学课件 新仁爱版七年级上册 Unit 6 语法专项——基数词&序数词&一般现在时 vs 现在进行时 全解精讲+分层练习 1 学习目标 掌握基数词和序数词的形式、变化规则及用法区别 理解一般现在时与现在进行时的核心差异及混合运用场景 能熟练运用两类语法完成不同题型练习 区分易混知识点，纠正常见语法错误 基数词 - 定义与核心变化（一） 基数词是表示数量多少的数词，无顺序含义 1-12为特殊形式，需单独记忆： one(1)、two(2)、three(3)、four(4)、five(5) six(6)、seven(7)、eight(8)、nine(9)、ten(10) eleven(11)、twelve(12) 13-19以-teen结尾，注意拼写：thirteen(13)、fifteen(15)、eighteen(18) 基数词 - 核心变化（二） 20-90（整十）以-ty结尾，重点记忆： twenty(20)、thirty(30)、forty(40)、fifty(50) sixty(60)、seventy(70)、eighty(80)、ninety(90) 21-99：整十数 + 连字符 + 个位数（例：twenty-one, fifty-six） 100以上：百位+and+十位+个位（例：one hundred and thirty-five） 基数词 - 核心考点 hundred/thousand/million前有具体数字时，用单数形式，后不加s 例：two hundred students（200名学生），不可说two hundreds 表不确定数量时，加s+of（例：hundreds of students 数百名学生） 易错点：forty（40）不可写成fourty，eighty（80）不可写成eightty 序数词 - 定义与核心变化（一） 序数词是表示顺序的数词，有“第几”的含义 1-3为特殊变化，需重点记忆： first(1st 第一)、second(2nd 第二)、third(3rd 第三) 4-19：基数词词尾加-th，注意特殊拼写： fourth(4th)、fifth(5th)、eighth(8th)、ninth(9th)、twelfth(12th) 序数词 - 核心变化（二） 20-90（整十）：变y为ie，再加-th 例：twenty→twentieth(20th)、thirty→thirtieth(30th) 21-99：整十序数词 + 连字符 + 个位序数词 例：twenty-first(21st)、fifty-sixth(56th) 缩写形式：数字 + 最后两个字母（例：fourth→4th, twenty-third→23rd） 序数词 - 核心考点 序数词前通常加the，表示“第几”（例：the first day 第一天） 当序数词前有形容词性物主代词（my/your/his等）时，不加the 例：my third birthday（我的第三个生日） 固定搭配：on the second floor（在二楼）、the first time（第一次） 基数词&序数词 - 小练习1 - 写出对应形式 1.基数词：five → 序数词：______ 2.基数词：twelve → 序数词：______ 3.基数词：twenty → 序数词：______ 4.序数词：third → 基数词：______ 5.序数词：ninth → 基数词：______ 6.序数词：twentieth → 基数词：______ fifth twelfth twentieth three nine twenty 基数词&序数词 - 小练习2 - 用基数词或序数词填空 1.There are _________ (thirty) days in June. 2.My birthday is on the _________ (five) of March. 3.This is my _________ (three) time to visit Shanghai. 4.He is _________ (forty) years old. 5.The _________ (twelve) month of the year is December. 6.There are _____________ (one hundred) students in the hall. thirty fifth third forty twelfth one hundred 基数词&序数词 - 小练习3 - 单项选择 1.There are ______ months in a year. A. twelve B. twelfth C. the twelve D. the twelfth 2.My mother’s birthday is on the ______ of October. A. three B. third C. the third D. the three 3.—How many students are there in your class? —______. A. Thirty B. Thirtieth C. The thirty D. The thirtieth 4.He is ______ student to come to school today. A. one B. first C. the first D. the one A B A C 基数词&序数词 - 小练习4 - 判断正误并改正 1.I have two hundreds books. ( ) 改正： 2.She is the three girl to finish the homework. ( ) 改正： 3.Today is the twelve of September. ( ) 改正： 4.There are fourty students in our class. ( ) 改正： 5.He lives on the fifth floor. ( ) 改正： F I have two hundred books. F She is the third girl to finish the homework. F Today is the twelfth of September F There are forty students in our class. T 一般现在时vs现在进行时 - 核心区别（一） 对比项目 一般现在时 现在进行时 定义 经常性、习惯性动作；客观真理 此时此刻/现阶段正在进行的动作 时间状语标志 every day, usually, often, always now, look, listen, at the moment 例句 He plays football every weekend. Look! He is playing football now. 一般现在时vs现在进行时 - 核心区别（二） 对比项目 一般现在时 现在进行时 谓语结构 主语+动词原形/第三人称单数 主语+am/is/are+动词-ing 动词变化 三单主语变动词三单形式 动词变-ing形式（四种规则） 核心考点 客观真理永远用一般现在时 看到now/look/listen即用进行时 一般现在时vs现在进行时 - 核心考点（一） 区分标志词是解题关键： 看到every day/usually/often/never → 用一般现在时 看到now/look/listen/at the moment → 用现在进行时 客观真理（如地球绕太阳转）不受时间状语影响，永远用一般现在时 例：The moon goes around the earth.（月球绕地球转） 一般现在时vs现在进行时 - 核心考点（二） 主语为第三人称单数时，注意两种时态的动词形式： 一般现在时：动词变三单（例：He plays basketball.） 现在进行时：be动词用is，动词变-ing（例：He is playing basketball.） 易错点：现在进行时不可缺少be动词，一般现在时三单不可漏加s/es 一般现在时vs现在进行时 - 小练习1 - 用所给动词的适当形式填空 1.She usually ______ (get) up at 6:30. 2.They often ______ (play) basketball after school, but now they ______ (play) volleyball. 3.My father ______ (read) newspapers every morning. Now he __________ (read) a novel. 4.Look! The children ___________ (swim) in the pool. They ______ (swim) every summer. gets play are playing reads is reading are swimming swim 一般现在时vs现在进行时 - 小练习2 - 单项选择 1.—______ he ______ to school by bike every day? —Yes, he does. Now he ______ to school. A. Do; go; is going B. Does; go; is going C. Does; goes; goes D. Do; goes; is going 2.She ______ TV every night. Now she ______ a book. A. watches; reads B. watch; is reading C. watches; is reading D. is watching; reads 3.—What ______ you ______ now? —I ______ my room. I ______ it every Saturday. A. do; do; clean; clean B. are; doing; am cleaning; clean C. do; do; am cleaning; clean B C B 一般现在时vs现在进行时 - 小练习3 - 按要求改写句子 1.They usually play basketball on weekends.（用now改写） 2.She is singing a song now.（用every morning改写） 3.He doesn’t watch TV in the evening.（改为肯定句并加now改写） 4.Are they playing football now?（用every Sunday改写并作否定回答） They are playing basketball now. She sings a song every morning. He watches TV in the evening. Now he is watching TV. Do they play football every Sunday? No, they don’t. 一般现在时vs现在进行时 - 小练习4 - 根据汉语提示完成句子 1.她通常在晚上看书，但是今天她正在看电视。 She usually ______ books in the evening, but today she ____________ TV. 2.他们每周一都上英语课，现在他们正在上英语课。 They ______ English classes every Monday. Now they ___________ English. 3.他通常步行去上班，但是今天他正在开车去上班。 He usually ______ to work on foot, but today he __________ to work by car. reads is watching have are having drives is driving 语法综合练习1 - 选词填空 1.There are ______ (thirty/thirtieth) students in the class. The ______ (five/fifth) student is my friend. 2.He usually ______ (play/plays) football on Sundays. Now he ______ (is playing/plays) basketball. 3.—What’s the ______ (twelve/twelfth) month of the year? —December. 4.My mother ______ (cook/cooks) dinner every evening. Look! She ______ (is cooking/cooks) now. thirty fifth plays is playing twelfth cooks is cooking 语法综合练习2 - 单项选择 1.—How many ______ are there in your school? —About two ______. A. student; hundred B. students; hundred C. students; hundreds D. student; hundreds 2.She is the ______ girl to finish the race. She usually ______ fast. A. first; run B. one; runs C. first; runs D. one; run 3.—______ you ______ English every day? —Yes, I do. Now I ______ English. A. Do; study; am studying B. Does; study; am studying C. Do; studies; study B C A 语法综合练习3 - 句式转换 1.He is twelve years old.（对划线部分提问） 2.My birthday is on the second of June.（对划线部分提问） 3.They are playing football now.（用every Saturday改写） 4.She usually does her homework in the evening.（用now改写） How old is he? When is your birthday? They play football every Saturday. She is doing her homework now. 易混知识点对比（一） 易混点 正确用法 错误示例 基数词&序数词 表数量用基数词，表顺序用序数词 I have three books.（数量）；This is the third book.（顺序） hundred的用法 具体数字+hundred，模糊数量+hundreds of two hundred, hundreds of students 时态标志词 every day→一般现在时；now→现在进行时 He plays football now. 易混知识点对比（二） 易混点 正确用法 错误示例 序数词的the 无物主代词加the，有物主代词不加the the first day, my first day 动词形式 一般现在时三单变形式，现在进行时变-ing He plays; He is playing 拼写错误 forty（40）、eighth（8th）、twelfth（12th） fourty, eigth, twelveth 语法核心考点梳理（基数词&序数词） 基数词表数量，1-12特殊记，13-19-teen结尾，20-90-ty结尾 序数词表顺序，1-3特殊变，4-19-th结尾，整十变y为ie加-th hundred前有数字用单数，序数词前常加the，物主代词后不加the 重点记忆特殊拼写和固定搭配，避免拼写错误 语法核心考点梳理（时态混合） 一般现在时表习惯/真理，标志词every day/usually，动词三单要牢记 现在进行时表正在进行，标志词now/look/listen，结构am/is/are+ing 区分标志词是关键，客观真理永用一般现在时 主语为三单时，两种时态的动词形式不可混淆 学习总结 掌握基数词和序数词的变化规则、用法及特殊拼写 理解一般现在时与现在进行时的核心区别和混合运用场景 能熟练完成选词、选择、句式转换等各类题型练习 区分易混知识点，纠正常见语法错误 提升语法综合应用能力，规范英语表达 补充拓展 - 序数词的特殊用法 序数词可表示“再一、又一”，此时不加the 例：I want a second apple.（我想再要一个苹果，不是第二个） 固定短语：first of all（首先）、at first（起初）、from first to last（从头到尾） 基数词+more=another+基数词（例：two more books=another two books 另外两本书） 教学课件 Unit 6 语法专项——基数词&序数词&一般现在时 vs 现在进行时 Thank you for listening! 30 $