Unit1 语法专项—— can ,can't + 反身代词 课件 2025-2026学年教科版英语七年级下册

这是一份初中英语同步教学课件，针对教科版七年级下册Unit1语法专项，聚焦can/can't与反身代词。通过学习目标引领，系统讲解can的基础特征、三种用法（能力、许可、禁止）及句式结构，反身代词的单复数形式、固定搭配和用法要点，辅以易错提醒与分层练习（填空、选择、句型转换等），构建完整学习支架。 资料特色突出，注重核心素养培养。采用表格对比can三种用法，清晰呈现差异，助力语言能力提升；通过具体易错案例（如can后接动词原形、反身代词拼写）强化思维品质，引导学生精准辨析；固定搭配总结（by oneself、enjoy oneself等）与分层练习结合，培养自主学习能力。既帮助学生夯实语法基础，又为教师提供结构化教学资源，提升课堂效率。 七年级学生处于小学到初中的过渡阶段，语法学习需从直观感知转向系统理解。本课件基础知识点讲解细致，练习难度梯度合理，能有效帮助学生适应初中语法学习节奏，养成规范使用语言的习惯，为后续学习奠定基础。

教学课件 教科版英语七年级下册 Unit1 语法专项—— can / can't & 反身代词 全解精讲+分层练习 1 学习目标 1.掌握情态动词can的基本特征与句式结构 2.理解can表能力、许可、禁止三种核心用法 3.熟记8个反身代词的拼写与对应人称 4.掌握反身代词常见固定搭配 5.能正确完成填空、选择、句型转换等题型 情态动词 can — 基础认知 1.can 是情态动词,无人称和数的变化 2.后面必须接动词原形,不能加to 3.否定形式:cannot = can't 4.不能单独作谓语,必须搭配实义动词 5.疑问句直接把can提到主语前 can 用法① — 表能力(Ability) 1.含义:表示能够、会做某事 2.结构:主语 + can + 动词原形 例句:I can swim. 我会游泳。 否定:She can't dance. 她不会跳舞。 标志词:can, be able to(本单元只用can) can 用法② — 表许可(Permission) 1.含义:表示可以、被允许做某事 2.常用于学校、家庭、公共规则 例句:You can come in. 你可以进来。 例句:We can read books in the library. 语气较委婉,多用于日常场景 can 用法③ — 表禁止(Prohibition) 1.含义:表示不可以、严禁做某事 2.只用 can't / cannot 表达 例句:You can't run in the hallway. 例句:We can't talk in class. 常用于规则、提醒、警告场景 can 三种用法对比(表格) 用法 含义 关键词 例句 能力 会、能够 do, play, swim He can play football. 许可 可以 borrow, use, come You can use my pen. 禁止 不可以 don't, no, rule You can't be late. can 肯定句结构 1.肯定句基本结构: 主语 + can + 动词原形 + 其他 2.无论主语是谁,can 永远不变 例句:I can sing. 例句:He can draw. 例句:They can read English. can 否定句结构 1.否定句结构: 主语 + can't + 动词原形 + 其他 2.can't = cannot,不可分开写 例句:I can't fly. 例句:She can't cook. 动词永远用原形,不加s/es can 一般疑问句结构 1.结构:Can + 主语 + 动词原形 + 其他? 2.肯定回答:Yes, 主语 + can. 3.否定回答:No, 主语 + can't. 例句:—Can you swim? —Yes, I can. 例句:—Can he sing? —No, he can't. can 特殊疑问句结构 1.结构:特殊疑问词 + can + 主语 + 动词原形? 2.常用疑问词:what, who, where, when 例句:What can you do? 例句:Where can we play? 回答用完整句子或简略回答 can 易错点提醒(一) 1.can 后面永远跟动词原形 2.错误:He can swims. 3.正确:He can swim. 4.不能加s, ed, ing, to 5.不管主语单复数,can 不变形 can 易错点提醒(二) 1.不能说:He cans… / She cans… 2.can 没有三单形式,一律用 can 3.不能说:I can to run. 4.不能说:They can running. 5.记住:can + 动词原形,永不改变 can 小练习一(填空) 1.My brother _ play the guitar. (can / can't) 2.It's too dark. We _ see clearly. 3._ you speak Chinese? 4.Students _ listen to the teacher carefully. 5.What _ she do for the class? can/can’t can’t Can can can can 小练习二(句型判断) 判断下列句子用了哪种用法:A(能力)/ PE(许可)/ PR(禁止) 1.We can eat in the dining hall. ( ) 2.He can play chess very well. ( ) 3.You can't watch TV on school days. ( ) 4.Can I use your dictionary? ( ) 5.They can't take photos here. ( ) PE A PR PE PR 反身代词 — 概念理解 1.反身代词表示:自己、本人、亲自 2.动作发出者和承受者是同一个人 3.常译为:……自己 4.不能单独作句子的主语 5.与人称代词保持一致 反身代词 — 单数形式 1.第一人称单数:myself 我自己 2.第二人称单数:yourself 你自己 3.第三人称单数:himself 他自己 4.第三人称单数:herself 她自己 5.第三人称单数:itself 它自己 反身代词 — 复数形式 1.第一人称复数:ourselves 我们自己 2.第二人称复数:yourselves 你们自己 3.第三人称复数:themselves 他们/她们/它们自己 4.单数结尾:-self 5.复数结尾:-selves 反身代词完整表(表格) 人称 单数 复数 一 myself ourselves 二 yourself yourselves 三 himself / herself / itself themselves 反身代词固定搭配① by oneself 独自、靠自己 例句:I can do it by myself. teach oneself 自学 例句:She teaches herself English. look after oneself 照顾自己 例句:He can look after himself now. 反身代词固定搭配② enjoy oneself 玩得开心 = have a good time 例句:They enjoyed themselves. help oneself to… 随便吃/用…… 例句:Help yourself to some fish. hurt oneself 伤到自己 反身代词用法要点 1.反身代词不能单独作主语 错误:Myself can clean the room. 正确:I can clean the room myself. 2.必须和主语人称、数保持一致 3.常放在动词后或句末作状语 反身代词易错点 1.主语是 I,用 myself,不能用 meself 2.主语是 you(单数)用 yourself 3.主语是 you(复数/大家)用 yourselves 4.主语是 they,用 themselves 5.注意拼写:himself, herself, themselves 反身代词小练习一(填空) 1.Help _ to some apples, Tom. (you) 2.The girl can finish the work by _. (she) 3.We enjoyed _ at the party. (we) 4.The boy hurt _ when he played basketball. (he) 5.Help _ to some cakes, children. (you) yourself herself ourselves himself yourselves 综合练习一:用 can / can't 填空 1.Boys and girls, you _ come in now. 2.My little sister _ ride a bike. She is too young. 3._ you tell me your name? 4.We _ talk loudly in the hospital. 5.I _ find my key. Can you help me? can can't Can can't can't 综合练习二:用法判断 A(能力) PE(许可) PR(禁止) 1.Can I sit here? ( ) 2.My father can drive a car. ( ) 3.You can't play with fire. ( ) 4.We can borrow books from the library. ( ) 5.She can't swim across the river. ( ) PE A PR PE A 综合练习三:句型转换 1.I can play the piano.(否定句) 2.They can sing English songs.(一般疑问句) 3.She can dance.(对划线部分提问) 4.Can he help you?(肯定回答) 5.We can't eat in class.(同义句:No eating in class.) I can't play the piano. Can they sing English songs? What can she do? Yes, he can. Don't eat in class. 综合练习四:反身代词填空 1.He can do the homework _. 2.Help _ to some fruit, boys and girls. 3.I learn French by _. 4.She enjoyed _ last weekend. 5.The cat cleaned _ after eating. himself yourselves myself herself itself 综合练习五:单项选择 1.—Can you swim? —No, I _. A. can B. can't C. am 2.Students _ clean the classroom by _. A. can; them B. can; themselves C. can't; they 3.Help _ to some beef, John. A. you B. yourself C. yours B B B 综合练习五:单项选择 4.What _ you do for your mother? A. can B. are C. do 5.They enjoyed _ on Children's Day. A. them B. themselves C. their 6.She can _ English very well. A. speak B. speaks C. speaking A B A 重点知识总结(can) 1.can 无人称变化,后接动词原形 2.三种用法:能力、许可、禁止 3.句式:肯/否/疑问/特殊疑问 4.否定:can't = cannot 5.易错:无三单,不加to,动词用原形 重点知识总结(反身代词) 1.单数:-self;复数:-selves 2.共8个,与人称保持一致 3.常考搭配:by oneself, enjoy oneself 4.help oneself to… 随便吃 5.不能单独作主语 教学课件 Unit1 语法专项—— can / can't & 反身代词 Thank you for listening! 33 $