人教版八年級英語上冊《How often do you exercise?》SectionA PPT教學課件(第2課時)，共34頁。
Objectives
To learn to talk about how often people do things.
To learn new words: once, twice, Internet, program, full, swing ...
Revision
What do you usually do in your free time ?
How often do you …？
Pairwork
Look at 2b. Make conversations like this：
--How often does Cheng Tao watchTV?
--He watches TV twice a week.
How often do you do these activities?
Fill in the chart and then make conversations.
A: How often do you watch TV?
B: I watch TV every day.
A: What’s your favorite program?
B: Animal World.
A: How often do you watch it?
B: Twice a week.
Language points
1.本課時我們學習的主要語法點是由wh- 和how 引導的特殊疑問句以及其對應的答語。
如：What do/does …?
How often do/does …? 等。
e.g. What do you usually do on weekends?
你通常周末做什么？
I usually listen to music. 我通常聽音樂。
e.g. How often do you go to the factory?
你多久去一次工廠？
I go to the factory twice a week. 我兩周去一次。
How often do you exercise?
你（你們）多久鍛煉一次身體？
How often + 助動詞 do (does 或 did) + 主語+ do sth.?
疑問詞 how often 是問頻率（多久一次）,（在這里助動詞 do /does/did是起幫助構(gòu)成疑問的作用）與一般現(xiàn)在時或一般過去時連用, 回答一般是表示頻率的副詞或短語。
如： always, sometimes, quite often, never, every day,
once a week, twice a month, three times a month, three or four times a month 等。
�？家詇ow 引導的疑問短語
how often “多久一次 ”用于提問always ,once a day等。
how old “多大年齡”用于提問ten years old 等。
how soon “多久以后”用于提問將來時中的in+時間段。
how long “多長時間 ”用于提問一段時間。
how many “多少” 用于提問可數(shù)名詞的數(shù)量。
how much “多少 ” 用于提問不可數(shù)名詞的數(shù)量或提問價格。
2. exercise
exercise v. 鍛煉；exercise n. [U]運動；[C]練習
e.g. Let’ s do our exercises. 讓我們做練習吧。
Walking is a good exercise. 散步是很好的運動。
Doing morning exercises is good for our health.
晨練有助于我們身體健康。
3. three times a week
表示次數(shù)的詞或短語：once,twice,three times,four times...
對次數(shù)提問使用 how many times
區(qū)分表示頻率的短語：once a day,twice a week,three times a month...
對頻率提問用how often
4. Next week is quite full for me. 我下周比較忙。
full 忙的；滿的；充滿的
同義詞--busy
e.g. I’ve got rather a full week next week.
我下周會非常忙。
My father has a very full life .
我父親的生活很忙碌。
拓展：adj.飽的
5. How come? 為什么呢？
這是英語中的一個口語，相當于漢語的“為什么”、“怎么會”等，既可以獨立使用，也可在后接句子，來詢問事情的緣由或狀況。
e.g. How come the sky is so blue today?
今天天怎么會這么藍？
A: I didn’ t even eat lunch today. 我今天甚至沒吃午飯。
B: Really? How come? 是嗎？怎么會呢？
Summary
1.What do you usually do on weekends?
I always exercise…
2. How often do you…?
Once a month / …
Homework
1. Recite the conversation of 2d.
2. Preview the new words we will use in the next lesson.
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關鍵詞：How often do you exercise? PPT課件免費下載，.PPTX格式；
