Unit 3 Keep Fit Section A Grammar Focus课件 2025-2026学年人教版七年级英语下册

该初中英语课件围绕“Keep fit”主题，聚焦物主代词（形容词性与名词性）和频率副词核心语法点，通过Review环节复习旧词短语导入，以表格对比、口诀及关键等式构建学习支架，衔接练习巩固，形成“复习-讲解-应用”的知识脉络。 其亮点在于融合语言能力与思维品质培养，物主代词用“有名则‘形’，无名则‘名’”口诀及等式简化理解，频率副词结合排序、位置实例提升分析能力，多样练习助力知识运用。既帮助学生系统掌握语法，又为教师提供清晰教学路径，提升教学效率。

U N I T 3 Keep fit ? BIG Question How do we keep fit? Grammar Focus 按要求写出正确的单词、词组或句子。 团队合作 (短语) __________ 2. 可能 (副词) ___________ 3. 使用次数多的(形容词) __________ 4. 有时(副词) __________ 5. 几乎不(短语) __________ 6. 练习做某事 (名词) __________ 7. 很少（副词）__________ 8. 打羽毛球（短语）______________ 9. 熟能生巧。 ___________________________ 10. 我有时和Ella打羽毛球。 _________________________________ 11. 我们应该找个时间一起双打。_______________________________ 12. 你多久慢跑一次？每天。 __________________________________________ work as a team maybe well-used sometimes hardly ever practice doing seldom play badmintion Practice makes perfect. I sometimes play badmintion with Ella. We should all play doubles sometime. How often do you jog/ go jogging? —Every day. Review Is this baseball glove yours? Yes, that’s mine. Thank you. Whose badminton racket is this? I think it’s Hanlin’s. His has “HL” on it. Read the sentences. Decide what the pronouns in bold refer to. your baseball glove my baseball glove his badminton racket 3a 物主代词是用来表示______关系的代词，它包括___________________和___________________。 所属关系用__________提问，意为“__________”。 形容词性物主代词 名词性物主代词 所属 whose 谁的 3 Let’s learn. 人称  物主代词 形容词性 ...的 名词性 ...的某物 第一人称 我的 my 我的某物 mine 我们的 our 我们的某物 ours 第二人称 你的 your单 你的某物 yours 单 你们的 your复 你们的某物 yours 复 第三人称  他的 his 他的某物 his 她的 her 她的某物 hers 它的 its 它的某物 its 他们的 their 他们的某物 theirs 形容词性物主代词和名词性物主代词的用法有什么区别呢？ 4 Let’s learn. 形容词性物主代词：相当于_________，表示“……的”，后面要接_________，不可以单独使用。 名词性物主代词：相当于_________，表示“……的某物”，后面_________名词，单独使用。 This is my basketball. These are their ping-pong bats. This volleyball is hers. These running shoes are theirs. 形容词 名词 名词 不接 一、区分物主代词 5 Language points 人称  物主代词 形容词性 ...的 名词性 ...的某物 第一人称 我的 my 我的某物 mine 我们的 our 我们的某物 ours 第二人称 你的 your 你的某物 yours 你们的 your 你们的某物 yours 第三人称  他的 his 他的某物 his 她的 her 她的某物 hers 它的 its 它的某物 its 他们的 their 他们的某物 theirs 例句： 1.This is my book.= This book is mine. 这本书是我的。 2.These are our pens.= These pens are ours. 这些钢笔是我们的。 形容词性物主代词 名词性物主代词变化规律 1.完全变化：______变________. 2.无______结尾的加_______. 例：our-ours 3.有______结尾的_________. 例：his-his my mine s s s 不变 ________物主代词＋名词=_________物主代词 形容词性 名词性 口诀：有名则“形”，无名则“名” 物主代词使用口诀 无名则名， 有名则形。 (1)后面没有名词，则用名词性物主代词; (2)后面有名词，则用形容词性物主代词。 Complete the sentences and help Sarah and Tom find the owners. These are footballs. Those footballs aren’t . (their) The volleyball is . name is on it. (your) That is jump rope. This isn’t .(her) are over there. These are not exercise mats.(our) This is not baseball glove. That one is .(his) Look! The tennis racket is and tennis ball is here, too. (my) their theirs yours Your her hers Ours our his his mine my 口诀：有名则“形”，无名则“名” 1. A: Dad, where are my tennis shoes? And Tom’s? B: Yours are right here. ________ are over there. 2. A: Whose badminton racket is that? It looks just like mine! B: It’s Sarah’s. It’s not ________. 3. A: Who does this T-shirt belong to? Is it yours? B: Yes, it’s ________. Thanks! 4. A: Are these our baseballs? B: No, they’re not ________. They belong to Emma and Ella. They’re ________. Complete the conversations with the correct pronouns. His yours mine ours theirs His tennis shoes your badminton racket my T-shirt our baseballs their baseballs 3b 无名则名 belong to十名词= be十名词性物主代词/所有格 Rewrite synonymous sentences(同义句) as an example: This is my pencil. This pencil is mine. 1.This is her schoolbag. _________________. 2. Is that your watch? _________________? 3. These are his keys. ________________. 4. Are those her books? _________________? 5. They are my erasers. ________________. This schoolbag is hers Is that watch yours These keys are his Are those books hers The erasers are mine 3a Circle the adverbs of frequency and put them in order. 频率副词 频率副词又称频度副词，用来表示事情发生的频率，即某事多长时间发生一次，通常用于______________的句子中。 用___________对频率提问，意为“___________”。 一般现在时 how often 多久一次 _________ > _________ > ____________ /______________ > ________ usually often hardly ever seldom never 10 总是，一直 通常 常常 有时 几乎不 从不 never hardly sometimes often usually always 0% 5% 20% 50% 80% 100% 频率副词 频率副词常放在_________ 之前，______________________之后，有时为了强调可放在句首或句末。 。 e.g. I never play football. He is always late for school. She can hardly say a word. I doesn’t always eat breakfast. 实义动词 be动词、情态动词、助动词 Mon Tue Wed Thu Fri Sat Sun 31 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 1 2 3 once a week twice a week three times a week four times a week 频率短语 e.g. I play basketball every day. I play ping-pong twice a month. I play football three times a year. 频率短语一般放句子______。 末尾 • 一次：once • 两次：twice • 三次及以上：“基数词+times” 次数表达 Summary 一、频率的表述 1.频率副词： always，_______,_______,____________,______________,_______. usually often sometimes hardly ever never I never play baseball . I play ping-pong twice a week. 2. 次数+一段时间 一天三次：______________________ 一周两次：———————— • 一次：once • 两次：twice • 三次及以上：“基数词+times” 次数表达 three times a day twice a week 3. every+单数名词：每天_____________,每周______________. every day every week 二、对频率的提问：_____________ How often 三、频率的表述在句中的位置：频率副词常放_______,频率短语一般放_______ 句末 句中 3c Complete the passage with always, usually, sometimes, seldom, or never. I love jogging! I jog in the park near my home in the morning. The air is clean, and I can hear birds singing. I jog in the evening after work, but I__________________ jog when I'm tired. I ________ jog in the afternoon on working days because I'm busy then. It's easy to go jogging. You just need running shoes. I jog three times a week or more. I'm______________ full of energy after jogging. Keeping fit is not that hard! always/usually sometimes seldom/never never always/usually love doing sth 热爱（做）某事 hear sb doing sth 听到某人正在做某事 be full of 充满 Exercises: 单项选择。 1.This isn’t my schoolbag. _____ is over there. A. His B. Hers C. Mine D. Yours 2. — Is this Tom’s Bing Dwen Dwen (冰墩墩)? — No. _____ is on the sofa. A. Hers B. His C. Yours D. Mine 3. Tina gets up early every morning, so she is ______ late for school. A. often B. always C. never D. usually 4. — Would you like some coffee? — No, thanks. I ________ drink coffee. A. seldom B. often C. only D. always 15 Exercises: 根据要求改写句子。 1. 每天锻炼能使我保持健康。 Exercising every day can _________ _________ _________. 2. 玲玲每周锻炼两次。 Lingling ___________ twice a week. 3. 这本书是林涛的，因为上面有他的名字。 The book _________ _______ Lin Tao because his name is on it. 4. 劳驾，你能告诉我去公园的路吗? _______ ________, can you tell me the way to the park? 5. 生活中充满了许多欢乐和苦恼。 Life _____ _______ _______ much happiness and sadness. make me fit exercises belongs to Excuse me is full of 16 Exercises: 根据汉语提示完成句子。 1. Mrs Black does sport twice a week. (对画线部分提问) Mrs Black sport? 2. My mother goes jogging three times a week. (对画线部分提问) your mother jogging? 3. Are these your mobile phones? (改为同义句) these mobile phones ? 4. I always want to get up early in the morning. (改为否定向) I want to get up early in the morning. How often does go Are yours never How often does do 17 It’s Your Turn. How do you keep fit? Use frequency adverbs to talk about your ways of keeping fit. always usually often sometimes seldom hardly ever never Keeping fit is ... I like ... I usually ... I never ... $