Unit 3 Keep Fit (第3课时) Section A 3a-3d.pptx

1、Unit 3 Keep FitSection A How often do you do sport or exercise?七下英语七下英语RJ第第3课时课时(Section A 3a-3d)Learning goals1.学习名词性物主代词的用法。2.学习频度副词的用法。3.掌握并正确运用词汇：belong to,full of,energy等。Warming upIs this your ping-pong bat?Yes,its mine.How often do you play ping-pong?I play it twice a week.Your PE teacher wan

2、ts to know your exercise habits.Can you answer some of his questions?What sport do you like?What sports items do you have?How often do you do sport?Warming upGrammar Focus3a Read the sentences.Decide what the pronouns in boldrefer to.Circle the adverbs of frequency and put them in order from the lea

3、st to the most often.Is this baseball glove yours?Yes,thats mine.Thank youWhose badminton racket is this?I think its Han Lins.His has“HL”on it.your baseball glovemy baseball gloveHan Lins badminton racket一、名词性物主代词一、名词性物主代词 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。名词性物主代词的形式如下：Grammar Focus单数单数复数复数第一人称第二人称第

4、三人称第一人称第二人称第三人称mine 我的yours 你的his 他的hers 她的its 它的ours 我们的yours 你们的theirs 他/她/它们的1.名词性物主代词在句子中独立使用，相当于“形容词性物主代词+名词”，其后不能接名词。There is something wrong with my computer.Could I use yours?我的电脑出问题了。我可以用你的吗？Grammar Focus2.名词性物主代词在句中可作主语、宾语、表语等。作主语时，谓语动词的单复数形式由名词性物主代词所指代的名词的数来决定。My tennis shoes are right he

5、re.His are over there.我的网球鞋就在这里，他的在那边。Grammar FocusGrammar FocusDo 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 at weekends.I seldom/hardly ever play it.I never do.3a Read the sentences.Decide what the pronouns in bol

6、drefer to.Circle the adverbs of frequency and put them in order from the least to the most often.neverhardly ever/seldomoftenusually 0%100%Grammar FocusGrammar Focus二、频度副词二、频度副词1.语法概述语法概述 频度副词表示某一动作或状态出现的频率，即在一定时间内某一动作或状态重复出现的次数，常用来回答how often引导的特殊疑问句。2.频度副词的种类频度副词的种类Grammar Focus不表示具体次数的频度副词（按频率从高到

7、低排列）alwaysalmost alwaysusuallyoftensometimeshardly ever(seldom)never We often play basketball after school.我们经常放学后打篮球。He is never late for class.他上课从不迟到。Grammar Focus2.频度副词的种类频度副词的种类表示具体的频率时，通常用once a week(一周一次)、twice a month(一个月两次)、three times a year(一年三次)等。I use the Internet twice a week.我一周使用两次互联

8、网。Li Ming and his parents go to the park three or four times a month.李明和他的父母一个月去公园三四次。Grammar Focus3.频度副词的位置频度副词的位置 频度副词一般放在实义动词之前，系动词be、助动词、情态动词之后。有时为了表示强调，频度副词也可位于句首。She doesnt always go to school by bus.她并不总是乘公共汽车去上学。Im always happy to see her.我见到她总是很开心。I can never forget it.我永远不会忘记这件事。Usually we

9、 have lunch at school.我们通常在学校吃午饭。Grammar Focus3.频度副词的位置频度副词的位置【拓】【拓】never、hardly ever、seldom等表示否定意义的词（组）位于句首时，句子要用倒装语序。Never again will he return here.他将再也不会回到这里。Seldom does he go out for dinner.他很少出去吃晚饭。Grammar Focus4.对频度副词的提问对频度副词的提问 对频度副词进行提问常用how often，表示“多久一次”。How often does he come here？他多久来一次

10、这里？Once a week.一周一次。【特别提醒】how many times意为“多少次”，对次数进行提问。答语常为“Once./Twice./基数词（大于2）+times.”3b Complete the conversations with the correct pronouns.1.A:Dad,where are my tennis shoes?And Toms?B:Yours are right here.are over there.2.A:Whose badminton racket is that?It looks just like mine!B:Its Sarahs.I

11、ts not !Grammar FocusHisyours3b Complete the conversations with the correct pronouns.3.A:Who does this T-shirt belong to?Is it yours?B:Yes,its .Thanks!4.A:Are these our baseballs?B:No,theyre not .They belong to Emma and Ella.Theyre _.Grammar Focusmineourstheirs3c Complete the passage with always,usu

12、ally,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 Im tired.I _ jog in the afternoon on working days because Im busy then.Its easy to go jogging.You just need r

13、unning shoes.I jog three times a week or more.Im _ full of energy after jogging.Keeping fit is not that hard!neveralwaysusuallyseldomGrammar Focussometimes充满3d In groups,ask one another how you keep fit.Take notes and give a report.In our group,many students like to do sport and exercise.Lin Tao jog

14、s every day.He likes badminton,too.He plays badminton twice a week.Grammar FocusNameWhat sport/exercise do you do?How often do you do it?Lin Taojoggingevery daybadmintontwice a weekbelong to 属于（某人）后接表示“人”的名词或人称代词的宾格形式。后接团体或组织时，意为“是的成员”。Success belongs to the hard-working people in the end.成功最终属于努力的人

15、。I belong to the tennis club.我是这个网球俱乐部的成员。1.Who does this T-shirt belong to?(教材P21 3b)Language points【拓】“belong to+名词/人称代词宾格”通常可与“be+名词所有格/名词性物主代词”进行同义转换。The hat belongs to me.=The hat is mine.这顶帽子是我的。Language pointsworking/wk/adj.工作的 通常只用于名词前作定语。working hours/day/week 工作时间/日/周 Our company has flexi

16、ble working hours.我们公司实行弹性工作时间。We should finish this task within two working days.我们需要在两个工作日内完成这项任务。2.I never jog in the afternoon on working days because Im busy then.(教材P21 3c)Language pointsenergy/endi/n.精力；能量（1）不可数名词精力；能量 强调活动、工作等所需的力量、能力或热情。Our new teacher is full of energy.我们新来的老师精力充沛。3.Im alw

17、ays full of energy after jogging.(教材P21 3c)Language points（2）可数名词精力；力量常用复数形式，强调付出的脑力或体力。She put all her energies into her work.她把全部精力都投入到了工作中。Language points【拓】energetic形容词精力充沛的；充满活力的 He feels that young people are more energetic.他认为年轻人精力更充沛。Exercises一、用适当的物主代词填空1.Mary,is this your sisters smart wat

18、ch?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,its not_.My book is on the desk.hersmineyoursmine1._do you visit your grandparents?Usually twice a month.A.How long B.How often C.How far 2.Does your younger brother play computer games?No,he _ plays them.He always reads books about science.A.sometimes B.often C.never D.usuallyBC二、单项选择ExercisesSummaryGrammar1.名词性物主代词2.频度副词Key wordsworking,energyExpressionsbelong to,full ofHomework用本节所学内容写一段话介绍你的运动习惯，不少于70词。