新目标(Go for it)版八年级上 Unit 2 How often do you exercise?Section A（2a-2d）课件

课件17张PPT。Unit 2 How often do you exercise?Section A2a-2dExercises英汉互译1. 去看电影 _____ 2. 运动 _____ 3. 看电视 _____ 4. 读英语书 _____ 5. 上网 _____ 6. 购物 _____ 7. 多久一次 _____ 8. every day _____go to the movieswatch TVread English booksexerciseuse the Internetshophow often每天一次????once，?两次????twice， 三次或三次以上用“基数词＋times”表示。 three?times, five?times, one?hundred?times. 表示“……几次”的表达方法是： once a day / a week / a month / a year??? twice a day / a week / a month / a year three times a day / a week / …“次数”的表达方法对频率提问 How often …? 回答 次数+范围 once/ twice/ three times a weekHow often_____do you do your homework?I do my homework …every day.How often_____do you go to the movies?I go to the movies …once a week.How oftendo you go shopping?I go shopping …twice a week.How oftendo you exercise?I exercise…three times a week.How often_____ do you use the Internet?I use the Internet…four times a month.2a Listen and Number the activities you hear. Activities a. go to the movies b. 1 watch TV c. shop d. exercise e. red2345 How often every day once a week twice a week three times a week once a month twice a month 2c How often do you do these activities? Fill in the chart and then make conversations. How often do you watch TV?I watch TV every day. What’s your favorite program?Animal world.How often do you watch it?Twice a week.2d Role-play the conversation. Jack: Hi, Claire, are you free next week? Claire: Hmm…next week is quite full for me, Jack. Jack: Really? How come? Claire: I have dance and piano lessons. Jack: what kind of dance are you learning? Claire: Oh, swing dance. It’s fun! I have class once a week, every Monday. Jack: How often do you have piano lessons? Claire: Twice a week, on Wednesday and Friday. Jack: Well, how about Tuesday? Claire: Oh, I have to play tennis with my friends. But do you want to come? Jack: Sure! 1.How come ? 为什么呢？ 这是英语中的一个口语，相当于汉语的“为什么”、“怎么会”等，既可以独立使用，也可在后接句子，来询问事情的缘由或状况。 例如： How come the sky is blue today? 今天天怎么会这么蓝？ A： I didn’t even eat lunch today. 我今天甚至没吃午饭。 B: Really? How come? 是吗？怎么会呢？ 2．How about…？(＝What about…？)意为“……怎么样？”用来委婉地向对方征询意见或提出建议。 【注意】How about…？/What about…？后跟名词、代词或动名词形式。 eg：It is Sunday tomorrow.How/What about going swimming? 明天是星期天。去游泳怎么样？ ?【辨析】have to与must ①have to意为“不得不，必须”，强调客观原因。有人称、数和时态的变化，进行各种句式的转换时要借助于助动词do/does/did。 ②must意为“必须”，强调主观原因，为情态动词，没有人称和数的变化。 问题探究1. How often 与 How many times 的用法区别 1）你多久上一次钢琴课？ How often do you have piano lesson? 2）你一周上几次钢琴课？ How many times do you have piano lessons? How often + 助动词 do (does 或 did) + 主语 + do sth. ? 是对频率（多久一次）进行提问。疑问词 how often (在这里助动词 do, does, 或 did 是起疑问的作用) 与一般现在时或一 ... ...