Unit2 How often do you exercise section A Grammar Focus -3c 课件(共22张PPT) 人教版英语八年级上册

(共22张PPT)
Unit 2
How often do you exercise
Section GF-3C
能掌握一般现在时的一般疑问句和特殊疑问句中助动词的变化规律。
1
能掌握频度副词always，usually，often，sometimes，hardly ever，never及频度词组once a week，twice a month等的用法。
2
Free talk
What do you usually
do on weekends
I usually do...
How often do you
do... on weekends
I always/usually/often/
sometimes...
分组朗读并观察下列句子。
What do you usually do on weekends I always exercise.
What do they do on weekends They often help with housework.
What does she do on weekends She sometimes goes shopping.
How often do you go to the movies I go to the movies maybe once a month.
How often does he watch TV He hardly ever watches TV.
Do you go shopping No, I never go shopping.
1.一般现在时态的含义:
一般现在时态表示　
　　。
经常反复发生的动作,也可以表示主语具备的性格和能力
2.一般现在时态的疑问句和否定句:
①肯定句:They are often at home on Sunday.
一般疑问句:
否定句:
Are they often at home on Sunday
They are not often at home on Sunday.
②肯定句:The boy goes out with his parents at night.
一般疑问句:　 　 the boy 　 　 out with his parents at night
否定句:The boy 　 　 　 　 out with his parents at night.
Does
doesn't
go
go
3.动词第三人称单数的变化规则:
①一般情况下在词尾加s。如:play—　 　;think—　thinks　。
②以字母s, x, sh, ch, o结尾的动词通常在词尾加es。如:watch—　 　;brush—　 　。
③以辅音字母加y结尾的动词,把y变i再加es。
study—　 　;carry—　 　。
plays
studies
brushes
watches
carries
知识拓展
　 I go to the movies maybe once a month. 我大概每月去看一次电影。
go to the movies意为“去看电影”, 相当于go to the cinema。如:
She went to the movies with her best friend yesterday. 昨天她和她最好的朋友去看电影了。
2.小组讨论how often的用法。
how often 意为“　 　”,用于对某一动作或事情发生的　 　进行提问。回答时用频度副词或短语(twice a week等)。当对这些表频率的词汇提问时,用how often即可。频度副词一般位于　 　动词之前,　 　动词、助动词或情态动词之后。
3.完成课本3a和3b的任务。
多久一次
be
实义
频率
知识拓展
　 How often do they stay up late 他们多久熬一次夜
stay up 意为“熬夜”, 常与late, long或all night 搭配使用。如:
It is bad for you to stay up late. 熬夜对你不好。
You can't stay up long. 你不能熬夜太久。
How often do you......
Remember :
对频度副词的提问用how often ，意为多久
do housework
go to the
movies
play tennis
I always…
How often do you......
I usually\often…
Remember :
对频度副词的提问用how often ，意为多久
exercise
go
shopping
play the piano
How often do you......
I sometimes…
Remember :
watch TV
read a book
use the
Internet
对频度副词的提问用how often ，意为多久
I hardly ever…
Remember :
play football
go fishing
How often do you......
对频度副词的提问用how often ，意为多久
重点探究
1. How often ______ he play soccer
2. ______ you drink milk
3. How often ______ they stay up late
4. ______ Sue eat a healthy breakfast
5. How often ______ you eat apples
6. ______ your parents play sports
a. Yes. She usually does.
b. Hardly ever. I don’t like them.
c. He plays at least twice a week.
d. No, they don’t. They’re too busy.
e. Never. They always go to bed early.
f. Yes, I do. Every day.
does
Do
do
Does
do
Do
3a Complete the questions with do or does. Then match the questions and answers.
Questions
1. ____________________________
(how often / help with housework)
2. ____________________________
(what / usually / do / weekends)
3. ____________________________
(how often / best friend / exercise)
4. ____________________________
(what / usually / do / after school)
My partner’s answers
_________________________
_________________________
_________________________
_________________________
3b Use the words given to write questions. Then ask and answer them with a partner.
How often do you… Names Frequency
Read English books Lin Ying twice a week
3c What can you do to improve your English Add more things to the chart.Then ask your classmates the questions and find the best English student.
What can you do to improve your English
read some English books
watch English program
Group Work
Interview
How often do you …
read English books
sing English songs
watch English programs
listen to English tapes
join the English corner
chat with foreigner
A: How often do you read the English book
B: I like reading. I read English books about twice a week.
read English books
sing English songs
write English letters
see English movies
have English parties
have English lectures
How often do you …
once a week
twice a week
three times a week
1、丽莎经常在6：40起床。
Lisa_______ ______ ____at_____ _______.
2、杰克的房间总是干净整洁的。
Jack's room_______ ______clean and_______.
3、安娜晚上从来不吃晚餐。
Anna_____ _____ _______ ____night.
4、你通常什么时候锻炼身体？(翻译句子)
__________________________________________
5、他周末经常做什么？
What does he_______ _____ ____ ____ __________
often gets up
six forty
is always tidy
never eats dinner at
What time do you usually exercise
always do on the weekend
Fill in the blanks