Unit 2 How often do you exercise?Section A (Grammar Focus-3c) 课件 2023-2024学年人教版英语八年级上册 (共28张PPT)

(共28张PPT)
Unit 2
How often do you exercise
Section A (Grammar Focus~3c)
How often do you do these activities
新课导入
How often do you help with housework
Every day
How often do you exercise
Three times a week
2
能掌握what, how often等引导的一般现在时句型中助动词的形式
1
能记住并能正确运用下列单词及短语:maybe, least, at least
预习检测
1.—Does she like to stay up late
—No, she ______stays up late.
A.often B.never C.usually D.always
2.—Do you want to learn swing dance
—________.
A.Yes, I like B.Yes, I want C.No, I can’t D.No, I don’t
3.I ________drink milk. I dislike it at all.
A.hardly ever B.always C.often D.sometimes
B
D
A
4.—________does she go to the library
—Four times a month.
A.What time B.How much C.How many D.How often 5.She ______ at home now.
A.may B.may be C.may is D. maybe
D
B
1. 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。
Grammar
多久一次
对频率提问
频率
频率
一般现在时态
知识梳理
2. 在一般现在时的一般疑问句中，当主语为第三人称单数或复数时，需要句子前加助动词Does或Do 。
e.g. 他们通常在周未锻炼吗？
________ they often ________ on weekends
她一周上网二次吗？
________ she ________ the Internet twice
a week
Do exercise
Does use
一般现在时的疑问句中助动词的形式
重点探究
Practice the conversation in Grammar Focus.
Pay attention to the pronunciation（语音） and intonation（语调）.
work in Pairs
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
询问业余活动
What do/does +主语…
Do/Does +主语…
How often
Can you tell me the functions of these sentence structures
询问活动的频率
当疑问句中的主语是I/we/you/they时，助动词用_____;
当疑问句中的主语是he/she/it时，
助动词用_____;
do
does
3a. First complete the questions with do or does. Then in pairs match the questions and answers. Finally check your answers with others.
Pair work
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
c
f
e
a
b
d
In groups of four, take turns to ask and answer the questions in 3b.
First use the words given to write questions. Then ask your group members and write down their answers next to the question. Finally check the answers in your group.
You can begin like this: How do you...
Group work
Can you write down the questions 1._____________________________________
( how often/help with housework)
2._____________________________________
(what / usually/ do /weekends)
3._____________________________________
(how often / best friend / exercise)
4._____________________________________
(what / usually / do/after school)
How often do you help with housework
What do you usually do on weekends
How often does your best friend exercise
What do you usually do after school
Now ask and answer these questions in groups of four. 1._____________________________________
A: I often help with housework ...
2._____________________________________
B: I usually ...
3._____________________________________
C: My best friend does exercise ...
4._____________________________________
D: I often ...
How often do you help with housework
What do you usually do on weekends
How often does your best friend exercise
What do you usually do after school
How can we improve our English
Read English books
Watch English movies
listen to English songs
join the English club
talk with foreigners
write e-mails to pen pal
Interview your classmates. Ask them how they improve their English. Write down their answers in the chart below.
How often do you... Names Frequency
read English book Lin Ying twice a week
Interview
Who is the best English student
Li Hua is good at English. He reads English books every day.And he reads English newspaper
three times a week. He also watches English movies
and keeps an English diary once a week. He writes an e-mail to his pen pal once a month. His good habits help him get good grades.
Report
活动小结
通过以上活动，我们知道：在一般现在时的疑问句中，当主语为第一、二人称及名词复数时，所使用的助动词为1. ；当主语为第三人称及名词单数时,所使用的助动词为2. _ 。
互动检测见DCF课件
do
does
maybe和may be的区别
Read the sentences below. Can you tell the difference between maybe and may be. Discuss in groups.
Maybe he is waiting for you now. 或许他现在正在等你。
I can’t find my watch. It may be in your pocket.我找不到我的手表了，它可能在你的口袋里。
How about these two sentences
1. Maybe he is in the classroom. I’m not sure.
2. He may be in the classroom. I’m not sure.
maybe 和 may be的区别：
1. maybe是_____词，意为“或许；大概”，表示推测，通常用于句首，在句中作状语；
2. 在may be结构中，may是_______词, be是_________，两者构成完整的谓语形式，意为“也许是；可能是”。
副
情态动
动词原形
活动小结
互动检测见DCF课件
通过以上活动，我们知道：maybe是1. 词，意为“或许；大概”，表示推测，通常用于句首，在句中作状语；在may be中,may是
2.____ 词，be是3. _____ ，两者构成完整的谓语形式，意为“也许是；可能是”。
副
情态动
动词原形
一、句型转换。
1.He watches TV twice a week .(提问)
________ _________ __________ he watch TV
2. Jack does his homework every day .(改为否定句)
Jack __________ __________ his homework every day.
3.He is talking to his father .(用usually改写句子)
He ___________ ___________ to his father.
当堂检测
How often does
doesn’t do
usually talks
4. My father often reads newspaper after supper .(提问)
______ ______ ______ father often __________ after supper
5.My favorite program is Animal World.
_________ ___________favorite program (提问)
6. They hardly ever play football.
_______ __________ ________they play football (提问)
What does your do
What’s your
How often do
重点单词和短语：
疑问句中助动词do的形式:
maybe和may be的区别：
当主语为第一、二人称及名词复数时，助动词为_______；
当主语为第三人称及名词单数时，助动词为_______。
maybe, least, at least
Unit 2
Section A
(Grammar Focus~3c)
1.maybe是______，意为“或许；大概”，表示推测，通常用于______，在句中作______。
2.在may be中,_____________________，两者构成完整的_______形式，意为“也许是；可能是”
课堂总结
do
does
副词
句首
状语
may是情态动词，be是动词原形
谓语