八年级英语上册学案
Unit 1 How often do you exercise？
Section A
一、教师寄语
A bold attempt is half success.（勇敢的尝试是成功的一半）
二、学习目标
知识目标：
Words: always, usually , often, sometimes , hardly , ever, never., once , twice ,
Phrases: how often three times a week every day. twice a week
Sentences:
What do you usually do on weekends? I sometimes go to the beach.
How often do you eat vegetables? Every day.
Most students do homework every day.
能力目标:会使用频率副词及短语；能描述课余时间的活动安排；
情感目标: 培养学生良好的学习和生活习惯
三、教学重、难点
频度副词：always, usually, often, sometimes, hardly和never的应用
疑问词how的用法
四、学习过程
1预习导学或自测
Ⅰ.Look at the picture (学生识图).
What do you usually do on weekends? I sometimes go to the beach..
I sometimes去滑板
看书 看电视
做运动购物
Ⅱ. 看图写出相应的頻度副词：
______ ____ ______ ______ ______
2．自主学习Pairwork.
How often do you eat vegetables? Every day.
Activities | How ofen |
a. go to the movies | Every day |
b. watch TV | Once a week |
c. shop | Twice a week |
d. exercise | Three times a week |
e.read | Once a week |
Twice a week | |
3．合作探究
Ⅰ.maybe / may be
.The baby is crying she is hungry.
.The woman a teacher .
maybe 是副词，意为“大概， 可能，或许”，一般用于句首。May be是情态动词，意为“可能是..，也许是..，大概是..”.
Ⅱ、a few / few / a little / little
. people can live to 100,but people can live to 150.
. There is time left, I don’t catch the first bus.
. Could you give me milk?
a few (少数的，几个，一些) | a little (一点儿，少量) | 表示肯定 |
few (很少的，几乎没有的) | little (很少的，几乎没有的) | 表示否定 |
修饰可数名词 | 修饰不可数名词 | |
Ⅲ、hard / hardly
. The ground is too to dig
. I can understand them.
. It’s raining ,the people can go outside.
hard作形容词，意为“困难的，艰苦的，硬的”；作副词，意为“努力地，猛烈地”。Hardly意为“几乎不”。
4．拓展创新 疑问词how的用法
（1）怎样，用什么手段，方法。 How did he do it?
I don’t know how to swim.
（2）情况如何（指身体健康状况） How are you?
How’s it going with Tom?
（3）how many，how much表示“多少”
（2）情况如何（指身体健康状况） How are you?
How’s it going with Tom?
（3）how many，how much表示“多少”
how many后接可数名词复数，how much接不可数名词。
How many times do you go to the park?
How many tickets do we need?
How much water do we need every day?
How much are those pants?
（4）how often是对动作发生的“次数”提问,询问的是频率“多久一次”
（4）how often是对动作发生的“次数”提问,询问的是频率“多久一次”
回答可以是：Every day./ Once a week./Three times a week./ Often./ ...
eg：How often do you play tennis?
How often do you surf the internet.
(5) ? 询问的是时间长短“多长时间”
回答可以是：About one hour./ Three hours. / Thirty minutes./...
How long do you usually watch TV? 你通常看多长时间电视？
5. 梳理归纳 Section A 词组归纳：
1. go to the movies 去看电影 2. look after = take care of 照顾
3. surf the internet 上网 4. healthy lifestyle 健康的生活方式
5. go skate boarding 去划板 6. keep healthy=stay healthy 保持健康
7. exercise=take(much)exercise=do sports锻炼 8. eating habits 饮食习惯
9. take more exercise 做更多的运动 10. the same as 与什么相同
11. be different from 不同 12. once a month一月一次
13. twice a week一周两次 14. make a difference to 对什么有影响
15. how often 多久一次 16. although = though虽然
17. most of the students=most students 18. shop=go shopping=do some shopping 购物
19. as for至于 20. activity survey活动调查
21. do homework做家庭作业 22. do house work做家务事
23. eat less meat吃更少的肉 24. junk food垃圾食物
6．达标检测 根据句意填词.
1.How o_________ do you come to school late? Never.
2. Farmers milk some m _________from cows.
3. J________ food isn’t good for your health.
4. Do you have a healthy lifestyle if you e_________ every day?
5. I eat fruit three t_________ a week.
6. Does he drink juice every morning? No, hardly e_________.
7. Here is a program, you may find out the r_________.
8. We are in Class 1, G_________ 2.
9. My father is very busy. He only plays basketball o______ a week.
10. I can’t do it by myself. Can you h_________ me?
五、典型例题解析
1. How often do you exercise? 你（你们）多久锻炼一次身体？
How often + 助动词do(does或did) + 主语 + do sth.? 疑问词how often是问频率(多久一次),（在这里助动词do(does或did) 是起帮助构成疑问的作用）与一般现在时或一般过去时连用，回答一般是用表示频率的副词，如：once, twice, three times…, sometimes, often, quite, often, never, every day, once a week , twice a month , three times a month , three or four times a month 等。
翻译：
你们多久到工厂去一次？每星期两次。healthylifestyle ?
他多久去购一次物？”“一个月一次。 ?
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