八年级英语Unit2Howoftendoyouexercise教案.docx

Unit 2 How often do you do exerciseLanguage GoalTopic : Free time activitiesTarget language: What do they usually do on weekendHow often do you / does she study I often study / She often studies.Functions: Talk about how often you do thingsTeaching aims of this unit:1.Vocabulary: always usually often sometimes hardly ever never ,once a day ,twice a week ,three times a month, my eating habits ,healthy /unhealthy lifestyle , keep in good health, junk food ,eat less meat, the same as, be different from ,the difference betweenand, of course ,look after, be good /bad for, sleep nine hours every night all /most /some /no students ,maybe, although exercise =do/play sports 2.Ask and answer : What do you usually do on weekends I often watch TV on weekends. How often do you watch TV I watch TV twice a week. How long do you sleep every night I sleep nine hours every night. What are the differencesDifficult :Talk about how often you do thingsAims of emotion: Get the messages from the others successfully.3.Language functions: Wh-questions, What do , How often ,Adverbs of frequency, All/most/some/none课时支配5课时Period One: Section A (1a2c)Period Two: Section A (2d3c)Period Three: Section B (1a1e)Period Four：Section B (2a2e)Period Five: Self check and Revision (3a-self check)Period OneAims:1. Learn to talk about how often do you do things 2. To learn the words of the adverbs of frequency.Difficult:1.words: exercise, skateboard, hardly, ever, shop, once, twice, time, surf, internet, program.2.phrases: how often, on weekends, go to the movies, exercise, go skateboarding, always , usually , often , never , hardly ever , sometimes .Important :1: What does she /he do on weekends She often goes to the movies .2: How often do you shop Once a week / Twice a week ··· .Teaching Aids: Tape recorder; Multi-Media.Teaching Procedures:Step 1 ：Greeting.1.Welcome back: Talk about their holidays.2.Encourage Ss to share their holidays with the whole class.Step 2 ：Leading in1. Do you like watching TV Yes ,I do. Do you watch TV every day Yes, I do. How often do you watch TV I watch TV every day. I watch TV twice a week.2.Introduce the key vocabulary.Ask the students to say what they see in the thought bubbles.Check the answers on the board.2. 3. Name each activity.Repeat reading the following: watch TV, read, shop, go skateboarding, exercise, draw 4. Look at each picture in 1c.Tell what the person does on weekends. Check the Ss orally.1) Make sure what they will hear and do .2) Read these adverbs and explain.5.Play the tape twice .Write the letters on the line.Ask Ss: Well, do you still remember your last vacationHow did you spend itWas it the same as this summer vacationSo what do you often do in your summer vacation Then show some phrases for Ss to practice. Then present as following: always>usually>often>sometimes>hardly ever(几乎没有) >neverand let them understand their differences at the first time.Step 3 ：Guessing Presentation and Practice.Encourage Ss to tell us about themselves,using always, usually, often, sometimes, hardly ever(几乎没有) or never.Do it like that with some activities. And during this part, present surf the net exercise and go skateboarding.Step4 ：.Do a survey:ActivitiesHow oftenTake a showerWash your hairexerciseClean your roomAsk and answer: How often do you take a shower How often does he take a showerLet Ss ask and answer in pairs, using always, usually, often, sometimes, hardly ever(几乎没有) or never.Step 5: Homework1.Do exercises on pages 1-2 of the workbook to practice the language presented in this unit.2.Remember what we learn today.Period TwoTeaching Aims:1. Students can learn to talk about activities and how often to each other 2. Students can listen, talk ,read and write these words correctlyTeaching Difficulties:1. Words: high school, most, no, result, active, for as, for about2. Phrases: for as, for about3.Sentence patterns: How often do you shop I shop once a month. How often does Cheng watch TV He watches TV.Teaching Aids: Tape recorder; Multi-Media.Teaching Procedures:Step One ：Greeting.Step Two ：Leading inDrills:T: What do you usually do on weekends S1: I usually play soccer .T: How often do you play soccer S1: I play soccer twice a week .T: How often does he play soccer The other Ss: He plays soccer twice a week .Repeat for three times .Step Three ：Pre-taskReview the grammar box .Step Four ：While-task1. Call attention to the survey .2. Make sure the Ss understand the chart .T: What activity do ninety-five percent of Green High students do every day 3. Ss answer .If necessary , give them help .4. Review the information in the green box with Ss .5. Read the article first by the Ss .6. Check the answers .7. Practise reading .Step Five ：Post-task1.T: What can you do to improve your English (e.g. read English books, practice reading and speaking ) How often do you ··· 2.Think of more things you can do to improve your English and write them here .3.Ask several Ss each question .4.See: Who is the best English students in the class Step Six: Homework:1.Revise the new words .2. Preview the next sectionPeriod ThreeTeaching Aims:Learn to talk about how often they do things to keep healthy.Teaching Difficulties:1.Words:junk food, milk, coffee, chips, cola, chocolate, drink, health, how many, interviewer.2.Phrases: how many, be good for, be bad for, every day.3.Sentence patterns: How often do you drink milk, Liu FengHow many hours do you sleep every nightShe says its good for my health.Teaching Aids: Tape recorder; Multi-Media.Teaching Procedures:Step 1 ：Greeting.Step 2 ：Warm-up 1.Enjoy an English song.2.Free talk. Talk with Ss about the following questions:Do you like fruit vegetablesYes, I do.I love it/ them. Its/Theyre delicious. And its /theyre healthy food. Its/Theyre good for our health. Or No, I dont. Its awful. I cant stand it.Ask Ss: How often do you eat fruit vegetablesStep 3: Presentation1.Teach milk. Do you like milk Do you drink milk every day Why /Why not2.Then teach chip /cola/chocolate/coffee in the same way. Dont forget to ask them Are they/Is it healthy food /drink Theyre /Its healthy/unhealthy/ junk food. Dont eat /drink them /it too often.Step 4: Pair workSs make a similar conversation by themselves.A: How often do you eat drinkB : I eat/drink every day/.A: Do you like it B: Yes, I do. Its good for my health./No, I dont. But my mother wants me to eat/drink it.Step5 : PresentationThe teacher asks Ss other questions:How often do you exercise/watch TV/read English/play computer gamesHow many hours do you exercise/watch TV/read English/sleep/play computer gamesStep 6: Pair workGet Ss to make a long conversation by themselves.Step 7: Listen (work on 2a)Get the Ss to listen and circle the answers to each question .Later check the answers.Step 8: Work on 2b Listen again and fill in the blanks in the survey. Then check the answers.Step 9 .Group workRole play. Student A is the interview. Student B is Katrina. Student C is Bill. Try to act the conversation out .They can use their own words.Step 10.Task Get the Ss to ask their classmates as many questions as they can about their lives. The questions above (2b) can help them. After that they can give a report in front of the class.Step 11. Homework :1. Finish the exercise in this period.2. Write the report in the exercise book.Period Four:Teaching Aims:1. Learn following expressions: 2. Learn to write ones own habits.Teaching Difficulties:1.Words: habit, try, lifestyle, grade, better, same, as, different, difference, maybe, although, for, keep, must.2.Phrases: eating habits, look after, healthy lifestyle, unhealthy lifestyle, good grades.3. Main task: How to write a composition of ones habits.Teaching Aids: Tape recorder; Multi-Media.Teaching Procedures:Step1: Revision1. Free talk: 2.Ask and answer How often do you exercise How often do you eat vegetables/fruit/junk food How often do you drink milk/coffee/tea How many hours do you sleep every day Use he/she/they ask and answer these questions. Group worksStep 2.Presentation and Practice1. Free talk. What is a healthy lifestyle. After that, T can show a picture with healthy lifestyle and unhealthy one: eat fruit never eat vegetables/fruit vegetables drink coffee/wine too much drink milk never drink milk sleep 9 hours sleep 5 hours do exercise never do exercisehealthy lifestyle unhealthy lifestyleT: And you know: Healthy lifestyle can help us get good grades. Good food and exercise help us to study better. My student Katrina has a good lifestyle. Lets see it.Step 3.Read 3a.Compare the passage with yourselves.Explain: of course , pretty healthy/good ,unhealthy ,a healthy lifestyle, try to do sth., look after, help sb. to do sth., study better, the same as, be different fromGive more examples.Step 4. Finish 3b. Sep 5.Homework: Read the text for many many times. And correct your composition referring to it.Period FiveStep1 Greetings & free talk .Step2 Discussion Work in groups, discuss which kind of life is healthy. Do a report according the discussion. We think we should eat fruit and vegetables Step3 Self checkFill in each blank with the correct word given.Then make your own sentence with each word.1. wants 2.exercises 3.help 4.try 5.haveStep3 Key vocabulary1.ever adv. 曾经 2. onceadv. 一次 3. twice adv. 两次4.internetn.互联 5. program n. 节目单，（电脑）程序6. hilltopn. 山顶 7. resultn. 结果，成果8. key . 提示，提示，线索，答案 9. translatev. 翻译10. song n. 歌曲 11.junkn. 垃圾，破烂物，废弃的旧物12. milkn. 牛奶 13. interviewern. 采访者 14.habitn.习惯，习性15.differencen. 不同，差异，区分 16.graden. 分数，成果，年级17. althoughconj. 虽然，即使，纵然18. unhealthy adj.不安康的，不益安康的19.skateboarding n.溜滑板运动Step4 Key phrases:1. how often 多久一次 2. as for至于，关于3. junk food垃圾食品 4.eating habit 饮食习惯5.of course当然 6.look after 照看， 照看7. start with 以开场 8. make a difference使得结果不同，有重要性9. go shopping去购物 10.have a party 聚会11. go to the movie去看电影 12. once a week每周一次13. hardly ever 很少 14. twice a week 每周两次15. three times a week每周三次 16. watch TV 看电视17.on weekend 在周末 18. do homework 做作业19. a lot of很多 20. try to do试图（努力）做某事 21. help sb (to) do sth.扶植某人做某事 22. the same as与一样23.keep in good health 保持身体安康Step 5 Grammar 1.驾驭句型： 1)What do you usually do on weekends I often go to the movies. What does she do on weekends ？ She often goes to the movies.What do you usually do on weekends I often go to the movies.(watch TV、read books 、exercise 、clean、skateboard、 play basketball、wash clothes、go shopping、 go to movies)How often do you exercise/ Task one “Find my group members.”2)在规定 时间内填完活动表格，再向四周同学开场询问，找出与自己课外活动大致一样的同学请他或她在每项活动后面签名。ActivityName3) Do a survey “What does she /he do on weekends ”NameActivityHow often2. Presentation and drill（1）老师指着屏幕说：“ Now lets see my activities on weekends. How often屏幕上出现各项活动的图片并介绍。 I always read books at 6:00 in the morning. Then I usually run at 6:30. I often clean my house in the afternoon. Sometimes I watch TV, but I never watch TV too much. I hardly ever go to the movies.（2）点击鼠标屏幕上出现频率副词及相关的百分比。always(100%) usually(80%) often (30-50%)sometimes(20%) hardly ever(5%) never(0%)领读频率副词，让学生快速认读。（3）分别点击活动图片，每个图片正面出现一个频率副词。老师依次提问： What do you do on weekends引导学生用图片中的活动及副词答复，如：I usually run.（4）Task: Making cards 每个学生把自己的课外活动做成卡片，再把频率副词做成卡片，然后一个学生问What do you do on weekends 另一个学生分别拿一张活动卡片与频率卡片并用其进展答复。(5)常见的频度副词有never(从不), sometimes(有时),often(常常),usually (通常), always(总是).从0%(never)到100%(always)可以这样排序:0%100%never sometimes often usually always(6) 留意频率副词在句中有不同的位置.在 be 动词之后:Im usually ill on planes.Are you usually at home on MondayHe isnt usually ill on planes.在实意动词之前:I usually work on Friday.I sometimes go to London.3. all, most , some与none的用法。留意：all与none用法一样。跟单数名词，用单数动词；跟复数名词，用复数动词。 教学反思：