Unit2 How often do you exercise Section A 3a-3c 学案（无答案）人教版八年级英语上册

Unit 2 How often do you exercise
Period 3 Section A (3a—3c)
【学习目标】
1. 掌握下列重点词汇：maybe, least , at least, stay up late
2. 掌握下列重点句型：He plays at least twice a week.
3. 语法：进一步学习一般现在时的特殊疑问句及回答。
【重难点】
1.教学重点：How often问句的使用及其回答
2.教学难点：学会描述课余时间的活动安排
一、【预学】
（一）情境创设：
（二）目标导引：
独立预学展示
1.熬夜 2.垃圾食品
3.有好习惯 4.也许一月一次
5.至少 6.读英语书————————————————
7.—你通常周末做什么 —写作业。
8.你多久看望一次祖母？一周两次。
二、【研学】
（三）合作探究
一、重点单词与短语
1. maybe 作副词，意为“大概；或许；可能” 。
【辨析】maybe和may be
maybe 副词，“也许；可能”，在句中作状语，相当于perhaps，常位于句首。
may be may是情态动词，be 是动词原形，两者构成完整的谓语形式，与主语形成系表结构，意为“也许是；可能是”。
【跟踪训练】
(1) 或许我们的生活会越来越好。
Our life_________ __________better and better. = __________ our life__________ better and better.
(2) He _________ _________(或许) in the office. = __________ he __________ in the office.
2. stay up “熬夜”
【拓展】常见的up短语：
get up“起床”； turn up“ 出现”； clean up“打扫除”；put up “张贴，搭建”
take up“占据”； show up“露面”
【跟踪训练】
(1) 我们熬到半夜等着新年的到来。We _______ _______ _______ midnight to see the New Year in.
3. least 作副词，意为“最少；最小”。作形容词或代词，意为“最小的；最少的”。
【拓展】 the last but not the least 最后的但并不是最不重要的
few —fewer—fewest little—less —least many/much —more—most
few, many 修饰可数名词；little, much 修饰不可数名词。
at least 意为“至少；不少于；起码”。反义词：at most 最多（不超过）
【跟踪训练】
(1) 我最不爱那个。 I like that ___________ of all.
(2) 教室里至少有四十个学生。There are __________ __________ forty students in the classroom.
(3) 她最多25岁。 She’s ___________ ___________ 25 years old.
二、重点句型和语法
1. How often 引导的一般现在时的特殊疑问句，其结构为：How often + 一般疑问句。意为“多久一
次” ，提问频率，即单位时间内动作的完成次数。可以用表示频率的副词回答如：
always, usually, often, sometimes, never等。也可以用表示频率的词组如：
every day, each week, once a week, twice a day, four times a month等
2.与how 有关的其他特殊疑问句：
①how 用于询问动作执行的方式、手段等,译为“怎样”.如：
—How do you usually go to school 你通常怎样去上学. —On foot.步行.
②how 用于询问动作的执行程度,译为“怎样”.如：
—How do you like China 你觉得中国怎么样 —I like it very much.非常喜欢.
③how 用于询问身体健康状况,译为“怎么样”.如：
—How are you —I’m fine, thank you.我很好,
④how 用在第一次见面的问候语中.如：How do you do
⑤how about 用于询问或征询意见等,相当于 what about ,后接名词、代词或动词的 -ing形式,译为
“……怎么样”、“……好不好”。如：I like playing football. How about you 我喜欢踢足球。你呢
⑥how many 用于询问人或物品的数量,后接可数名词的复数形式,译为“多少”.如：
—How many students are there in your class 你们班有多少名学生
—There are sixty-five.六十五名.
⑦how much 既可询问物品数量,后接不可数名词,译为“多少”；又可询问物品价格,译为“多少钱”.
⑧how old 询问年龄,译为“多大”.如：
—How old are you 你多大了 —I’m twelve.我十二岁.
⑨how far 用于询问距离,译为“多远”.如：
—How far is it from here to the station 从这里到车站有多远
—About three hundred meters.大约三百米.
⑩how long 既可询问时间,译为“多久”,又可询问物品的长度,译为“多长”.如：
How long is the river 这条河有多长
How long does it last 这要持续多久
（四）交流展示
1.阅读Grammar Focus部分, 完成句子。
2.Group-work 探究乐园（总结归纳知识点）。
3.3a match the questions and answers.
4.3b ask and answer the questions in pairs.
5.3c Group-work. Work in small groups.
三、【评学】
（五）积累巩固
一、单项选择
( ) 1. —What ______ your sister _______
—She usually goes to the swing dance club.
A. is; doing B. did; do C. do; do D. does; do
( ) 2. He is a good boy and he often ______ me ______ my English.
A. helps; with B. helps; to C. asks; for D. asks; about
( ) 3. —__________ do you hang out with your friends — Once a week.
A. How long B. How many C. How soon D. How often
( ) 4. — Where is Xiao Ling — She ______ in her bedroom, but I am not sure.
A. must be B. can’t be C. maybe D. may be
( ) 5. —Tony likes basketball very much.
— Certainly. He plays basketball ______ three times a week.
A. at first B. at most C. at least D. at last
( ) 6. The box is too heavy. It’s _______ of books.
A. full B. filled C. fill D. all
( ) 7. —May I ask you _________ questions — Of course.
A. that B. much C. some D. a little
( ) 8. He tries ____ English, and he practices _____ English every day.
A. to learn; to speak B. learning; speaking
C. to learn; speaking D. learning; to speak
( ) 9. I’m very tired. I can __________ run.
A. always B. usually C. hardly D. sometimes
( ) 10. I learn ________ English ________.
A. everyday; every day B. everyday; everyday
C. every day; every day D. every day; everyday
二、用所给单词的适当形式或根据汉语提示填空
1. How often____________ your father__________ (drink)wine
2. His mother ___________(come)to see him once a week.
3. Her sister____________(not stay)at home on Sundays.
4. Our English teacher wants us___________ (read)English books every day.
5. My father likes reading ______________ (magazine) after supper.
三、句型转换
1. Jim uses Internet three times a week. (对划线部分提问)
_____________ _____________ does Jim use the Internet
2. My favorite program is Animal World. (对划线部分提问)
________________ ______________ favorite program
3. My father always watches TV in the evening.(否定句)
My father __________ __________ TV in the evening.
4. My father sleeps six hours every night. (对划线部分提问)
______________ ______________ does your father sleep every night
5. My books are not the same as Tom’s. (改为同义句)
My books are ______________ ______________ Tom’s.
（六）延伸拓展
一、完形填空
It is very important to stay healthy. I have a neighbor. She is 1 old lady. She can do all the housework, 2 newspapers, watch TV and search on the Internet to learn 3 . I often see 4 do taijiquan in the morning and dance in the evening. She looks young and beautiful 5 she is over seventy. Last week a reporter from a magazine interviewed her and asked 6 she kept so young and healthy. She replied 7 a smile.
I have a secret(秘诀) of staying young and healthy. It is quite 8 to keep your mind active，take an interest in the world 9 you, and learn at least one new thing every day. Try to do different kinds of housework and do sports as 10 as you can. Don’t think you are too old to go back to 11 . I know a man who entered a medical(医学的) college when he was 70 years old. He studied there for 6 years and now he is a 12 . Another man went to a tennis school at the 13 of 71 and now he is good at 14 tennis. Some people may say staying young is easy only for those who live in the future. In fact, no matter how old you are, you can make it.
Please tell the story to your family. It would be a good start to 15 the Lady’s example. I hope all people will stay young and healthy.
( ) 1. A. the B. an C. a D. /
( ) 2. A. look B. read C. see D. watch
( ) 3. A. anything new B. something new C. new anything D. new something
( ) 4. A. her B. him C. other D. others
( ) 5. A. than B. since C. though D. because
( ) 6. A. what B. why C. who D. how
( ) 7. A. for B. by C. with D. in
( ) 8. A. early B. dear C. easy D. late
( ) 9. A. under B. around C. above D. between
( ) 10. A. soon B. busily C. hardly D. often
( ) 11. A. place B. song C. school D. dance
( ) 12. A. teacher B. doctor C. worker D. driver
( ) 13. A. hobby B. price C. age D. interest
( ) 14. A. buying B. losing C. sending D. playing
( ) 15. A. follow B. give C. make D. bring