Unit 2 How often do you exercise? Section A Grammar focus-3c 课件 人教版八年级英语上册（32张PPT）

(共32张PPT)
Unit 2
How often do you exercise
Grammar Focus-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.
A:What do/does ... do on weekends
B: I/He/She/They…
A: How often do/does...
B: I/He/She/They…
read( a book)
watch TV
go shopping
exercise=do sports
go to the movies
use the Internet
help with housework
always
every day
usually
5 times a week
often
4 times a week
sometimes
twice a month
often
every weekend
hardly ever
once a year
never
1. 一周一次
2. 一周三次
3. 一个月一次
4. 一年两次
5. 每天
6. 你多久锻炼一次？我每天都锻炼。
7.你多长时间去看电影？我每个月去看两次。
8. 你最喜欢的节目是什么？我最喜欢的节目是《动物世界》。
once a week
three times a month
once a month
twice a year
every day
How often do you exercise I exercise every day.
How often do you go to the movies
I go to the movies twice a month.
What’s your favorite program
My favorite program is Animal World.
复习检测：汉译英
Mark the auxiliary verbs before the subjects in the left column
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.
Grammar Focus
一般现在时
疑问句中人称主语与助动词的搭配
当主语是第三人称单数时
当主语不是第三人称单数时
一般疑问句：Does+主语+动词原形+其它
Does he often watch TV
特殊疑问句：特殊疑问词+一般疑问句.
What does he often do in the evening
一般疑问句： Do+主语+动词原形+其它？
Do you play basketball
特殊疑问句：特殊疑问词+一般疑问句.
What do you do on weekends
语法秘籍：
学习目标
1. 概念 : 频度副词是用来表示动作发生频率的词，常用来表示不确定时间，主要包括always, usually, often, sometimes, hardly ever, seldom, never等。
always 意为“总是，永远”，表示频度最高。
usually 意为“通常”，即很少有例外，多用于一般现在时。
often 意为“经常”，在频度上不如usually那么频繁。
sometimes 意为“有时，偶尔”。
hardly ever 意为“几乎不，很少 ”，表示否定意义。
never 意为“从来没有，绝不”，表示否定意义。
以上几个频度副词所表示的频度，从低到高为：
never
0%
hardly ever
5%
sometimes
30%
often
60%
usually
80%
always
100%
2. 频度副词在句中的位置：
(1)一般位于be动词、助动词或情态动词之后，实义动词之前。
(2)有时为了强调，频度副词也可位于句首。
例：我有时起得早。
Sometimes I get up early.
I will always love you.
It’s always hot in summer.
语法秘籍：
学习目标
be后
助实间
频率副词
He always helps others.
实动前
2. 频度副词在句子中的位置
Mark the verbs in the right column
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.
一般现在时
肯定句中不同人称对应的动词变化
当主语是第三人称单数时
当主语不是第三人称单数时
主语+动词第三人称单数形式+其它.
She sometimes plays soccer.
主语+动词原形+其它.
I always go to the movies on Sunday evening.
一般现在时
当主语是第三人称单数时
疑问句中人称主语与助动词的搭配
一般疑问句： Do+主语+动词原形+其它？
特殊疑问句：特殊疑问词+一般疑问句.
一般疑问句：Does+主语+动词原形+其它
Does he often watch TV
What does he often do in the evening
当主语不是第三人称单数时
特殊疑问句：特殊疑问词+一般疑问句.
Do you play basketball
What do you do on weekends
how often 意为 “__________”，是用于提问表示 ____ 的特殊疑问词组。其答语应为表示 _____ 的副词或副词词组。句子的时态一般是_____________，也可以是一般过去时。
多久一次
3、对频率副词及短语提问 使用 how often.
频率
频率
一般现在时态
--- How often do you visit your grandparents
--- I visit them twice a month.
语法秘籍：
My brother has a healthy living habit. He _____ stays up late, and he is an early bird.
usually B. hardly
C. often D. always
中考链接
健康的生活习惯
B
通常
经常
几乎不
总是
熬夜晚睡
—How often do youusually go to work
by subway
—________. I always take a bus, because
there is no subway in this city.
A. Sometimes B. Often
C. Never D. Seldom
C
有时
从不
经常
很少
多久一次
没有地铁
Language points
always “总是”，表示动作的重复或状态的延续。
usually “通常”，表示很少有例外。
often “经常”，表示动作的重复，但不如 usually那么频繁，中间有间断。
sometimes “有时”，表示动作偶尔发生。
hardly “几乎不”，常和ever连用表示强调。never“从未”。
考点 频度副词
提示：频率副词在句中的位置是：实义动词之前，be动词，助动词或情态动词之后。
1. Frank usually listens to music in the evening.
(对画线部分提问)
_____ ____ Frank usually ___ in the evening
2. He goes fishing three times a week in summer.
(改为一般疑问句)
____ he __ fishing three times a week in summer
按要求完成句子,每空一词。
What
does
do
Does
go
3. I go to the movies once a week. (对画线部分提问)
_____ _____ do you go to the movies
4. My mother does the housework every day.
(改为否定句)
My mother _______ ____ the housework every
day.
How
often
doesn’t
do
① I sometimes go to the movies.
②I met him some times on the street last month.
有时候
几次
③ Will you come again sometime next week
在某个时候；某时
④ I will stay here for some time.
一段时间
点拨运用：辨析sometimes, some times, sometime, some time
Complete the questions with do or does. Then match the questions and answers.
3a
1. How often ______ he play soccer a. Yes. She usually does.
2. ______ you drink milk b. Hardly ever. I don’t like them.
3. How often ______ they stay up late c. He plays at least twice a week.
4. ______ Sue eat a healthy breakfast d. No, they don’t. They’re too busy.
5. How often ______ you eat apples e. Never. They always go to bed early.
6. ______ your parents play sports f. Yes, I do. Every day.
does
Do
do
Does
do
Do
My partner’s answers：
1. I never help with housework.
3. He exercises everyday.
2. I usually visit my grandparents on weekends.
4. I usually do my homework after school.
Use the words given to write questions. Then ask and answer them with a partner.
3b
Questions My partner's answers
1. __________________________________ _________________________
(how often/help with housework)
2. __________________________________ _________________________
(what/usually/do/weekend)
3. __________________________________ __________________________
(how often/best friend/exercise)
4. __________________________________ __________________________
(what/usually/do/after school)
How often do you help with housework
Three times a week.
What do you usually do on weekends
I usually visit my grandparents.
How often does your best friend exercise
He exercises almost every day.
What do you usually do after school
I usually help with cooking.
What can you do to improve your English
sing English songs
keep diaries in English
read English books
learn English grammar
watch English movies
talk with foreigners
Discussion
watch English programs on TV
listen to English news
sing English songs
read English books
…
What can you do to improve your English
1. at least，意为“至少；不少于”，是副词词组，
指数量的多少或程度；
2. at most，意为“至多；不超过”
e.g：你必须至少一周打扫你的房间一次。
You have to clean your house ____ ______
once a week.
e.g：校园里最多有16棵树。
There are ____ ____ sixteen trees in the school.
at least
点拨运用：at least, at most
at most
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.
How often do you... Names Frequency
read English books Lin Ying twice a week
A: How often do you read English books
B: I read English books about twice a week.
Group Work
What can you do to improve your English
read some English books
watch English program
1. —Can you understand me
—Sorry, I can ______ hear you clearly.
A. almost B. ever C. hardly D. nearly
2. —_____ do you go to the movies
—Once a week.
A. How long B. How soon
C. How often D. How much
3. _____ I’m not very healthy.
A. Maybe B. May be C. May D. Can
4. I have a ______ habit.
A. health B. healthy C. healthily
5. The students exercise every day and they try
_____ healthy.
A. keep B. keeping C. kept D. to keep
当堂训练
一、根据句意及汉语提示完成单词
1. 去看电影 ________________ 2. 在周末 ___________
3. 几乎不; 很少 _____________
4. 每周五次 ____________________
5. 每月两次 _______________ 6. 熬夜 ____________
7. 做运动 ______________ 8. 至少 __________
9. 去购物 _____________ 10. 看电视 _____________
Exercises
go to the movies
on weekends
hardly ever
five times a week
twice a month
stay up late
do sports
at least
go shopping
watch TV
Exercises
二、单项选择
1.—_________ do you go to the library
—Twice a week.
A. How soon B. How long C. How often D. How far
2. —Can you understand me
—Sorry, I can ______ hear you clearly.
A. almost B. ever C. hardly D. nearly
√
√
1. 至于作业，大多数学生每天都做。
2. 没有学生一周做一次或两次作业。
3. 他几乎从未逛过商店。
4. 你多久锻炼一次？
5. 她通常9点钟上床睡觉。
As for homework, most students do homework every day.
No students do homework once or twice a week.
He hardly ever goes shopping.
How often do you exercise
She usually goes to bed at 9 o’clock.
See you！