Unit12语法专项 形容词变副词&并列连词课件-2025-2026学年仁爱科普版英语七年级下册

2026-03-05
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学段 初中
学科 英语
教材版本 初中英语仁爱科普版七年级下册
年级 七年级
章节 Grammar in use
类型 课件
知识点 -
使用场景 同步教学-新授课
学年 2026-2027
地区(省份) 全国
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地区(区县) -
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文件大小 1.02 MB
发布时间 2026-03-05
更新时间 2026-03-05
作者 课堂干货铺(关注我,主页搜资料,初中英语各版本,不定时更新)
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审核时间 2026-03-05
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教学课件 新仁爱版七年级下册 Unit 12 语法专项—— 形容词变副词 & 并列连词and/but/or 全解精讲+分层练习 1 学习目标 掌握形容词变副词的核心规则,包括特殊变形情况 明确副词的用法,能正确用副词修饰动词、形容词和其他副词 区分and/but/or的逻辑关系,掌握其在不同句式中的用法 规避两类语法的常见易错点,完成多样题型练习 一、形容词变副词 - 核心概念与作用 形容词修饰名词或代词,表人或事物的特征 副词可修饰动词、形容词或其他副词,表动作方式或状态 大部分形容词可通过加后缀-ly转化为副词 变形后的副词,能更具体地描述动作的发生方式 判断是否用副词,关键看所修饰的成分是动词、形容词还是副词 形容词变副词 - 常见变化规则表 形容词类型 变化规则 例词 一般形容词 直接加-ly quiet→quietly; quick→quickly; clear→clearly y结尾(y前为辅音) 变y为i,再加-ly happy→happily; easy→easily; angry→angrily le结尾 去e加-y gentle→gently; possible→possibly; simple→simply ic结尾 加-ally basic→basically; historic→historically; magic→magically 特殊变化 不规则变形 good→well; true→truly; late→late 形容词变副词 - 一般规则变形详解 多数普通形容词直接加-ly即可完成副词变形 变形后保留原形容词的词义,仅改变词性和用法 clear → clearly,修饰动词:He speaks clearly. bright → brightly,修饰动词:The sun shines brightly. clean → cleanly,修饰动词:He cuts the paper cleanly. 此类变形无额外拼写变化,直接在词尾加-ly即可 形容词变副词 - 辅音+y结尾变形详解 核心规则为变y为i,再加-ly,需注意拼写变化 这类形容词是高频考点,变形时切勿直接加-ly happy → happily,不可写为happyly easy → easily,不可写为easly heavy → heavily,不可写为heavly 记忆技巧:辅音+y结尾,先换y为i,再加-ly 形容词变副词 - 特殊结尾变形详解 le结尾形容词,去e后直接加-y,而非加-ly gentle → gently,possible → possibly,均遵循此规则 ic结尾形容词,需加-ally,不是直接加-ly basic → basically,historic → historically,注意双写l 这类特殊结尾变形数量少,逐个熟记即可掌握 形容词变副词 - 不规则特殊变形 少数形容词变副词为不规则变化,无固定规则 是核心易错点,需单独记忆,不可套用常规规则 good → well,这是最常考的不规则变形 true → truly,去e加-ly,特殊拼写需注意 late → late,形副同形,词性根据语境判断 副词的核心用法 - 修饰动词 副词修饰动词时,多放在动词之后,表动作的方式 这是副词最主要的用法,描述动作如何发生 He runs quickly. quickly修饰run,表跑步的速度 She sings beautifully. beautifully修饰sing,表唱歌的状态 They work hard. hard修饰work,表工作的态度 副词修饰动词,能让动作的描述更具体生动 副词的核心用法 - 修饰形容词/其他副词 副词修饰形容词时,放在形容词之前,表程度 She is extremely happy. extremely修饰happy,表开心的程度 It is quite cold today. quite修饰cold,表冷的程度 副词修饰其他副词时,也放在其前,表程度 He finished the work very carefully. very修饰carefully She runs too fast. too修饰fast 此类用法中,多使用程度副词,如very、quite、too等 形容词变副词 - 高频易错点 辅音+y结尾直接加-ly,如happy→happyly(错) le结尾加-ly,如gentle→gentley(错) ic结尾直接加-ly,如basic→basicly(错) 混淆good和well的用法,如He is well.(表身体好除外) 形副同形词判断错误,如late作副词时误用lately 形容词变副词 - 基础小练(填空) 1.She writes ____________ (careful) in her class. 2.The children laugh ____________ (happy) in the playground. 3.It snows ____________ (heavy) in winter in the north. 4.He speaks ____________ (loud) so everyone can hear him. 5.We should act ____________ (quick) in an emergency. carefully happily heavily loudly quickly 二、并列连词 - 核心概念与作用 并列连词用来连接两个或多个并列的成分 可连接单词、短语,也可连接完整的句子 核心作用是体现并列成分之间的逻辑关系 本单元重点掌握and、but、or三个基础并列连词 不同连词代表不同逻辑,需根据句意选择使用 并列连词and - 用法详解 and表并列/顺承关系,意为“和、并且、然后” 连接并列的人、事物、动作,表两者兼具或先后发生 连接单词:I like bread and milk for breakfast. 连接短语:We like reading and listening to music. 连接句子:He got up early and he caught the early bus. and多用于肯定句中,表并列关系是最基础用法 并列连词or - 用法详解 or主要表选择/转折关系,有两种核心含义 表选择:意为“或者”,提供两种或多种选择 Do you want to go by bus or by bike? / Would you like tea or coffee? 表转折:意为“否则”,用于祈使句后,表警告或提醒 Hurry up or you’ll miss the bus. Be careful or you’ll hurt yourself. 并列连词 - 高频易错点辨析 and和or的句式使用差异:and用于肯定句,否定句表并列用or I like apples and pears.(肯定句) I don’t like apples or pears.(否定句,不可用and) or的双重含义混淆:疑问句中表选择,祈使句后表否则 What do you want, juice or water?(选择) Study hard or you’ll fall behind.(否则) 并列连词 - 基础小练(填and/but/or) 1.I like playing football ________ playing tennis. 2.He is very rich ________ he lives a simple life. 3.Do you want to watch TV ________ read a book tonight? 4.The sky is blue ________ the air is fresh today. 5.Keep trying ________ you will never succeed. and but or and or 形容词变副词 & 并列连词 - 综合小练1(填空) 1.He drives ________ (slow) _____________ he is afraid of accidents. 2.She sings ___________ (beautiful) ________ everyone likes her songs. 3.The bag is light ________ small, ________ it is very useful. 4.Please think ________ (careful) _____________ you answer the question. 5.He works ________ (hard) ________ he still can’t get good grades. slowly because/and beautifully and and but carefully before/and hard but 形容词变副词 & 并列连词 - 综合小练2(单项选择) 1.She dances ________ and she wants to be a dancer. A. beautiful B. beautifully C. happy D. quickly 2.I like cats ________ I don’t like dogs. A. and B. but C. or D. so 3.Please speak ________, I can’t hear you clearly. A. loud B. loudly C. quiet D. quietly 4.You can go to the park ________ the zoo this Sunday. A. and B. but C. or D. with 5.He is ________ tired ________ he can’t walk any more. A. too; and B. very; but C. so; and D. quite; but B B B C D 形容词变副词 & 并列连词 - 小练3(完成句子) 1.他仔细地听老师讲课。He listens to the teacher ________. 2.我喜欢游泳和跑步。I like swimming ________ running. 3.她英语说得很流利,并且能和外国人交流。 She speaks English ________ ________ she can talk with foreigners. 4.快点,否则你会错过早班车。 Hurry up, ________ you’ll miss the early bus. 5.这本书很有趣但是有点难。 This book is very interesting ________ a little difficult. and fluently and or but carefully 形容词变副词 - 拓展小练(判断改错) 判断下列单词变形是否正确,错误的请改正 1.easy → easly ________ 2.good → well ________ 3.gentle → gentley ________ 4.quick → quickly ________ 5.angry → angryly ________ 6.true → truly ________ 7.basic → basicly ________ 8.clear → clearly ________ 错→easily 对 错→gently 对 错→angrily 对 错→basically 对 并列连词 - 拓展小练(句式转换) 1.I like rice. I like noodles.(用and合并) 2.He is tall. He can’t play basketball.(用but合并) 3.Do you want Coke? Do you want Sprite?(用or合并) 4.I like apples and bananas.(改为否定句) 5.Hurry up. You’ll be late.(用or合并) I like rice and noodles. He is tall but he can’t play basketball. Do you want Coke or Sprite? I don’t like apples or bananas. Hurry up or you’ll be late. 形容词变副词 & 并列连词 - 提升小练(语篇填空) 根据短文内容,用所给词的适当形式或合适连词填空 My brother is a good student. He studies ________ (hard) ________ he always gets good grades. He reads ________ (careful) every morning ________ he has a good habit of reading. He is kind ________ helpful, ________ he has many friends. He can play the piano __________ (beautiful) ________ he often plays it at school parties. hard and carefully and and so beautifully and 形容词变副词 & 并列连词 - 挑战小练(选词填空) 从方框中选择合适的词填空,每词可重复使用 (careful, happily, quickly, and, but, or, beautifully) 1.The children played ________ in the park ________ they didn’t want to leave. 2.You must act ________ ________ you’ll lose the chance. 3.She draws ________ ________ her pictures are very popular. 4.He ran ________ ________ he still missed the train. 5.Please listen ________ ________ you can understand the teacher well. happily and quickly or beautifully and quickly but carefully and 形容词变副词 - 核心知识点总结 形容词变副词多加-ly,不同结尾有不同变形规则 辅音+y结尾变y为i加-ly,le结尾去e加-y,ic结尾加-ally 少数不规则变形需单独记,good→well是核心考点 副词可修饰动词、形容词、其他副词,位置各有规律 修饰动词放其后,修饰形容词/副词放其前 并列连词and/but/or - 核心知识点总结 and表并列/顺承,用于肯定句连接并列成分 but表转折,连接语义相反或相对的成分 or表选择(疑问句)或否则(祈使句后),否定句表并列用or 三个连词均可连接单词、短语和完整句子 核心是根据前后成分的逻辑关系选择合适的连词 两大语法 - 综合运用技巧 做形容词变副词题:先看形容词结尾类型,再套用对应变形规则 做连词题:先分析前后成分的逻辑关系,并列用and,转折用but 判断副词用法:先找被修饰的成分,动词/形容词/副词用副词修饰 否定句中表并列,直接将and换为or,无需其他变化 语篇填空中,先通读全文,再结合语境判断语法点和逻辑关系 语法学习 - 实用小贴士 分类记忆形容词变副词规则,按结尾类型整理成表,方便复习 结合例句记忆连词用法,通过语境理解不同的逻辑关系 建立错题本,标注易混的变形和连词用法,反复巩固 尝试用所学语法写简单的小短文,描述动作或表达观点 阅读时关注文中的副词用法和连词使用,积累语境经验 语法拓展 - 形副同形的单词 部分单词形容词和副词形式相同,需根据语境判断词性 late(形:迟的;副:迟地):He is late. / He comes late. fast(形:快的;副:快地):a fast car / run fast hard(形:硬的;努力的;副:努力地):hard work / work hard early(形:早的;副:早地):an early morning / get up early 这些词无需加-ly,直接作副词使用,是高频考点 语法拓展 - 其他常见并列连词 so:表因果,意为“所以”,He is ill so he can’t come to school. for:表原因,意为“因为”,He didn’t go out for it was raining. both...and...:表“两者都”,Both you and I are students. either...or...:表“要么……要么……”,Either you or he is right. 教学课件 Unit 12 语法专项—— 形容词变副词 & 并列连词and/but/or Thank you for listening! 31 $

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Unit12语法专项 形容词变副词&并列连词课件-2025-2026学年仁爱科普版英语七年级下册
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Unit12语法专项 形容词变副词&并列连词课件-2025-2026学年仁爱科普版英语七年级下册
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Unit12语法专项 形容词变副词&并列连词课件-2025-2026学年仁爱科普版英语七年级下册
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Unit12语法专项 形容词变副词&并列连词课件-2025-2026学年仁爱科普版英语七年级下册
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Unit12语法专项 形容词变副词&并列连词课件-2025-2026学年仁爱科普版英语七年级下册
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Unit12语法专项 形容词变副词&并列连词课件-2025-2026学年仁爱科普版英语七年级下册
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