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

该初中英语课件聚焦物主代词（形容词性与名词性）及频度副词核心知识点，通过体育中心学生对话情境导入，先引导翻译练习感知代词用法，再结合表格梳理语法规则，过渡到频度副词问答及排序活动，搭建从情境感知到规则理解再到应用实践的学习支架。 其亮点在于融合语言能力与思维品质培养，通过“翻译-指代分析-语法表格”递进练习强化代词辨析，用“频率副词排序+具体短语表达”构建频率概念体系。设置语法竞赛、小组健身调查等活动，激发学习兴趣，提升语言运用与合作探究能力，助力教师高效落实语法教学，促进学生主动建构知识。

Unit 3 Keep Fit Section A 3a-3d Some students are in the sports center. Let’s see what they are talking about. 这个篮球是你的吗？ 是的，是我的。谢谢 Try to translate them into English. Is this basketball yours? Yes, it’s mine. Thanks. 我认为是韩林的。 他的上面有“HL”。 这个是谁的羽毛球拍？ I think it’s Han Lin’s. His has “HL” on it. Whose badminton racket is this? Try to translate them into English. 是的，我一星期打三次球。 你经常打乒乓球吗？ Yes, I play three times a week. Do you often play ping-pong? Try to translate them into English. 我一周踢两次，通常在周末。 你多久踢一次足球？ I play twice a week, usually at weekends. How often do you play football? Try to translate them into English. (1) “yours” refers to “_______________”. “mine” refers to “_______________”. (2) “His” refers to “__________________”. 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. your baseball glove my baseball glove his badminton racket Read the sentences. Decide what the pronouns in bold refer to. 3a 7 物主代词（Possessive Pronouns） 物主代词是表示所有关系的代词。分为形容词性物主代词和名词性物主代词两种，有人称和数的变化。 形容词性物主代词指事物的拥有者，放在名词前面修饰该名词；名词性物主代词指代提及过的人或事物，具有名词的性质，后面不接名词，在句中可作主语、宾语或表语。 e.g. —This is my basketball. Yours is in the box. Do you know hers? —Oh, I think that one is hers. 代词 人称代词主格 人称代词宾格 形容词性物主代词 名词性物主代词 人称 单数 复数 单数 复数 单数 复数 单数 复数 第一人称 I we me us my our mine ours 第二人称 you you you you your your yours yours 第三人称 he they him them his their his theirs she her her hers it it its its 代词（Pronouns） _____ shoes are too small for me. Can I try _____ ?(he, you) "Whose ping-pong bat is this?" "It's not _____. Maybe it's _____."(I, she) I often borrow _____ badminton racket because _____ is broken(坏的).(you，I) 4. ______ sports center is as big as ______.(we, they) Let's have a try. His yours mine hers your mine Our theirs Complete the conversations with the correct pronouns. What do they refer to? 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 are _______. His yours mine ours theirs look like 看起来像 belong to sb. 属于某人 3b 11 Read the sentences. Circle the adverbs of frequency and put them in order from the least to the most often. Do you often play ping-pong? Yes, I play once / twice / three times a week. How often do you play football? I play it twice a week, usually atweekends. I seldom / hardly ever play it. I never do. 3a always often seldom never 100% 80% 60% 20%-40% 20% 5% 0% usually sometimes hardly ever 12 "How often" ：询问动作发生的频率（多久一次）。 一、基本结构： How often + 助动词 + 主语 + 动词原形/其他成分？ 1. How often do you exercise? （你多久锻炼一次？） 2. How often does it rain here? （这里多久下一次雨？） adverbs of frequency（频度副词） 二、回答方式 1. 频度副词（Adverbs of Frequency） 副词 含义 例子 always usually often sometimes seldom hardly never 总是（100%） 通常（80%） 经常（60%） 有时（30%） 很少（10%） 几乎不（5%） 从不（0%） I always brush my teeth. She usually walks to school. They often watch TV. We can sometimes eat out. He seldom plays games. I hardly (ever) play tennis. I am never late for training. 观察并思考： 频度副词的位置一般放在哪里？ 频度副词一般放在实义动词前，be 动词、助动词或情态动词等之后。 adverbs of frequency（频度副词） 2. 具体频率短语（Specific Time Phrases） every day/week once/twice a week three times a month on weekends I read books every day. He plays basketball twice a week. We visit our grandparents 3 times a month. They go hiking on weekends. adverbs of frequency（频度副词） 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! usually sometimes seldom never always 3c 16 I love jogging! I usually jog in the park near my home in the morning. The air is clean, and I can hear birds singing. I sometimes jog in the evening after work, but I seldom jog when I’m tired. I never 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 always full of energy after jogging. Keeping fit is not that hard! 在工作日 hear sb. doing sth. 听见某人正在做某事 It’s + adj. for sb. to do sth. 做某事对某人来说怎么样 go jogging 慢跑 be full of .... 满是 ... 动名词(v.ing)做主语, 谓v.用单数形式 Read it again, pay attention to language points and take notes. In groups, ask one another how you keep fit. Take notes and give a report. Name What sport / exercise do you do? How often do you do it? Lin Tao jogging badminton every day twice a week In our group, many students like to do sport and exercise. Lin Tao jogs everyday. 3d 1．—Is the pink coat ________?  —No, it belongs to ________. A．him; mine B．his; mine C．him; me D．his; me 2．I enjoy reading very much, so I ________ read books in my free (空闲的) time. A．sometimes B．always C．seldom D．never 3．This is not my pencil. It is ________. A．he        B．him            C．himself         D．his B D D 4．—How often do you play the game, Wang Fei? —________. I don’t like it at all, and I think playing it is a waste of time. A．Twice a week  B．Never C．Every day D．Sometimes 5．The garbage storing (垃圾分类) is popular now. So we can ________ see four bins in different colors in many cities. A．often B．seldom C．hardly ever D．never 6．—Peter, the watch looks cool. Is it ________? —Yes. This is my birthday present. A．his B．ours C．hers D．yours D B A 7．—Is this _______ eraser, Bob?  —No. It is _______. A．you; Tom   B．you; Tom’s     C．your; Tom   D．your; Tom’s 8．The two bags aren’t _______. They are _______. A．ours; Lucy and Lily’s B．our; Lucy and Lily’s C．our; Lucy’s and Lily’s D．ours; Lucy’s and Lily’s 10．—Betty, is this ________ bag on the desk?   —No, it isn’t. ________ is over there. A．yours; Mine   B．yours; My C．your; Mine D．your; My C D D 11. —_____do you visit your grandparents? —Usually twice a month. A. How long B. How often C. How far 12. —Does your younger brother play computer games? —No, he ____ plays them. He always reads books about science. A. sometimes B. often C. never D. usually B C 二. Complete the sentences and help Sarah and Tom find the owners. Tip : Complete the answers by judging if there is a noun after the blanks. 通过判断空后有无名词 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 三、用适当的物主代词填空 1. —Mary, is this your sister’s smart watch? —No, ______ is pink. 2. —I left my dictionary at home. —You can use______. Here you are. 3. —Amy, there is a book on the floor. Is it________? —No, it’s not______. My book is on the desk. hers mine yours mine 4. I can't find _______ (I) pencil. Can I use _______ (you)? 5. Both Jack and I have a dog. _______ (I) dog and _______ (he) often fight (打架). 6. Mr and Mrs Green and a friend of _________ (they) are coming to see us. 7. The red bike is ______ (she) and the blue one is ______ (I). 8. Alice and I share one bedroom. ________ (we) bedroom is clean. my yours My his theirs hers mine Our 9. Look at Tina. _______ cap, dress and schoolbag are all blue. 10. This is my brother’s (哥哥的) desk and my desk is next to _______. 11. _______ parents (父母) do a lot for us, and we should (应该) thank them. 12. They are Jack’s and Andy’s maps. I can see _______ names on them. 13. These are my sister’s CDs. Those books are _______, too. 14. —Jimmy, I can’t find _______ eraser. Can I use (使用) _______? —OK. Here you are. Her his  Our their hers my yours 四. 用适当的人称代词或物主代词补全对话 A: Hello. Are 1. _______ a new student? B: Yes. 2. _______ name is Nick. I’m in Class Two. A: I have a good friend in 3. _______ class. She is Betty. B: I know 4. _______. She sits (坐) next to me. A: I find a coat. Is this your coat? B: No, it isn’t. 5. _______ is on my desk. I think 6. _______ is David’s. A: Oh. Do you know 7. _______? B: Yes, he is my brother. Please give it to 8. _______. A: Well, here you are. B: Thanks. you  My  your her Mine it  him  me 五. 将下列句子改为同义句。 1. That is my blue T-shirt. ____________________________________________________ 2. Are those CDs yours? ____________________________________________________ 3. The name of it is Kiki. ____________________________________________________ 4. Is this his telephone? ____________________________________________________ 5. These rulers are ours. ____________________________________________________ That blue T-shirt is mine. Are those your CDs? Its name is Kiki. Is this telephone his? These are our rulers. 六. 根据中文提示，用always、usually或never完成英语句子 1. 杰克总是穿着他的蓝色夹克。 Jack ________ wears his blue jacket. 2. 埃里克通常放学后和朋友们打篮球。 Eric ________ plays basketball with his friends after school. 3. 我们都喜欢布朗先生，因为他的课总是很有趣。 We all like Mr. Brown because his classes are ________ interesting. 4. 安妮从来不把她的工作留到第二天。 Annie ________ leaves her work for the next day. 5. 这家衣服店通常在周五有大减价活动。 The clothes store ________ has a big sale on Fridays. always usually always never usually 七.Match the questions and answers. How often does he play soccer? Do you drink milk? How often do they stay up late? Does Sue eat a healthy breakfast? How often do you eat apples? Do your parents play sports? A : Yes. She usually does. B : Hardly ever. I don’t like them. C : He plays at least twice a week. D : No, they don’t. They’re too busy. E: Never. They always go to bed early. F : Yes, I do. Every day. 八. 改写句子 1. My grandmother goes to bed before nine o’clock. (seldom) __________________________________________________ 2. I eat bread in the morning. (never) __________________________________________________ 3. They read books in the library. (often) ___________________________________________________ 4. Kate plays ping-pong with her friends. (always) ___________________________________________________ 5. When does your father have lunch? (usually) ____________________________________________________ My grandmother seldom goes to bed before nine o’clock. I never eat bread in the morning. They often read books in the library. Kate always plays ping-pong with her friends. When does your father usually have lunch? 1. Review the new words and phrases. 2. Make five sentences with possessive pronouns and adverbs of frequency. 3. Talk about how you keep fit with your friends. Homework $