Unit 2 How often do you exercise Section A Grammar Focus 3a-3c课件(共26张PPT，含内嵌视频)人教版八年级上册

(共26张PPT)
Unit 2 How often do you exercise
(Section A Grammar Focus 3a-3c)
Learning objects
By the end of the class, you will be able to …
1. Grasp the usage of the adverbs of frequency.
2. Talk about the daily activities freely.
3. Learn the ways of improving English and know
more about each other.
Let’s chant and dance.
How often do you brush your teeth
I always brush my teeth.
Let’s answer
How often do you use chopsticks
I usually use chopsticks.
Let’s answer
How often do you take out the trash
I often take out the trash.
Let’s answer
How often do you wash your cloth
I sometimes wash my cloth.
Let’s answer
How often do you make dinner
I rarely/hardly ever make dinner.
Let’s answer
How often do you drive a car
I never drive a car.
Let’s answer
Remember
always
usually
often
sometimes
hardly ever
never
0 %
100 %
频度副词 (Adverbs of Frequency)
1. 频度副词的含义：
（1）表示动作发生的频率的副词称为频度副词。常用的频度副词按频率发生的
高低依次为:
Remember
once
twice
three times
four times
five times
1 2 3 4 5
1 2 3 4 5
1 2 3 4 5
1 2 3 4 5
1 2 3 4 5
(2)表示具体的次数或者频率时可以用once a week，twice a week, three times a week 等具体的次数来表示。
值得注意的是:once, twice表示一次、两次，
其他的次数用:
数次+times。
(3)有时也可用every +时间来表示（every day/week/month……)
2.频度副词的位置
放在实义动词前面。
放在情态动词、助动词、系动词be的后面。
有时为了表示强调，可以放在句首或句尾。
次数构成的频度副词则放句尾。
Remember
3. 对频度副词的提问：
常用How often, 表示“多久一次”。
1. —How often do you go to the cinema
—________. I only watch movies at home.
A．Always 　　　B．Usually C．Never
2.Uncle LI______ eats out because his wife always makes delicious food for him.
A．hardly ever 　　　B．sometimes C．often
3.—Where shall we eat tonight
—Let's call Jack. He ________ knows the best places to go.
A．hardly ever B．always C．only
4. My brother has a healthy living habit. He ________ stays up late, and
he is an early bird.
A．usually 　　　 B．hardly ever C．often
5. — do you usually go to work by subway
—Never. I always take a bus, because there is no subway in this city.
A．How much 　　 B．How many C．How often
Grammar Foucs
What do you usually do on weekends I always exercise
What do they do on weekends Then 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 watchTV He hardly ever watches TV.
Do you go shopping No, I never go shopping.
Let’s read and circle the auxiliaries(助动词)
一般现在时中什么时候用do或does
Does
Do
Grammar Foucs
What do you usually do on weekends I always exercise
What do they do on weekends Then 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 watchTV He hardly ever watches TV.
Do you go shopping No, I never go shopping.
在一般现在时疑问句中，当主语为第三人称单数时，则助动词用does;
在一般现在时疑问句中，当主语为第二人称或第三人称复数时，则助动词用do.
Complete the questions with do or does.
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
does
Do
do
Does
do
Do
3a
熬夜
Don’t stay up too late!
Match the questions and answers.
1. How often does he play soccer a. Yes. She usually does.
2. Do you drink milk b. Hardly ever. I don't like them.
3. How often do they stay up late c. He plays at least twice a week.
4. Does Sue eat a healthy breakfast d. No, they don't. They're too busy.
5. How often do you eat apples e. Never. They always go to bed early.
6. Do your parents play sports f. Yes, I do. Every day.
3a
How often do you help with housework
What do you usually do on weekends
How often does your best friend do exercise
What do you usually do after school
1.What+do/does+sb. +频度副词+do+时间状语？
2.How often+do/does+sb.+do sth.
Share my ways of learning English
Free talk
sing English songs
watch English movies
read English books
keep diaries in English
What can you do to improve your English Add more things
to the chart.
How often do you... Names Frequency
3c
提高
I read English books to improve my English.
How often do you read books
Lin Ying
I read English books about twice a week.
What can you do to improve your English
You can use the following sentence patterns to ask and answer. Then report who is the best student in your group.
A: What can you do to improve your English
B: …
A: How often do you …
B: Once a week／Every day/ Twice a month/
Hardly ever/ Never/ Sometimes/ …
Report: In our group, Lin Ying reads English books twice a week. …I think … is the best English learner in our group. We all should learn from him/ her.
Good way for half effort and double results,and good habits will benefit you the whole life.
好方法事半功倍，好习惯受益终身。
Let’s chant and dance again
Homework
详见作业单
Let’s chant and dance again.