人教版八年级上册 Unit 2 How often do you exercise? Section A 2d-Grammar Focus课件(共37张PPT，内嵌音频)

(共37张PPT)
Unit 2
How often do you exercise
Listen and repeat.
2d
Jack: Hi, Claire, are you free next week
Claire: Hmm…next week is quite full for me, Jack.
Jack: Really How come
Claire: I have dance and piano lessons.
Jack: What kind of dance are you learning
Claire: Oh, swing dance. It’s fun! I have class once a week, every Monday.
Jack: How often do you have piano lessons
Claire: Twice a week, on Wednesday and Friday.
Jack: Well, how about Tuesday
Claire: Oh, I have to play tennis with my friends. But do you want to come
Jack: Sure.
Jim / once a week
Li Ming/ twice a week
Tony/ once a week
Bob /every day
Li Lei/ hardly ever
Peter/ never
Free talk
--How often does he/she...
--He/he...
1. 你通常在周末做什么？
______ ___ you ______ do on weekends
2. 我总是去运动。 I ______ _______.
3. 他们在周末做什么？
______ ___ they ___ on weekends
Grammar Focus
usually
What do
always exercise
What do
do
Complete the following sentences.
4. 他们经常帮助做家务。
They _____ help with __________.
5. 她在周末做什么？
What _____ she ___ on weekends
6. 她有时候去购物。
She _________ _____ ________.
often
does
do
sometimes goes shopping
housework
7. 你多久去看电影一次？
_____ _____ do you go to the ______
8. 我可能一个月去看一次。
I go to movies maybe ____ ___ _____.
9. 他多久看一次电视
____ ______ does he watch TV
10. 他几乎不看电视。
He ______ _____ watches TV.
How often
once a month
movies
hardly ever
How often
adv. 大概；或许；可能
11. 你去购物吗？
___ ____ go shopping
12. 不，我从不去购物。
No, I _____ ____ shopping.
Do you
never go
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。
多久一次
对频率提问
频率
频率
一般现在时态
翻译：
你多久去游泳一次？一个星期三次。
Three times a week.
How often do you go swimming
频度副词
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”。
“次数”的表达方法
一次 once， 两次 twice，
三次或三次以上用基数词加上 times,
three times, five times, one hundred times.
表示“……几次”的表达方法是：
once a day / a week / a month / a year
twice a day / a week / a month / a year
three times a day / a week / …
这些表次数的词后与一段时间连用，表示动作多长时间发生几次，即动作的频率。
100%
always
usually
often
sometimes
hardly ever
≥ 80%
never
0%
≥ 60%
≥ 20%
＜ 5%
e.g. It is always interesting to watch TV.
Why do people usually make resolutions
We sometimes see some birds.
They hardly ever watch TV.
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. 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
Note:主语为第三人称单数时，助动词用does；主
语为其他人称及第三人称复数时用do。
3a
Complete the questions with do or does. Then match the questions and answers.
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.
至少；不少于；起码
1. How often does he play soccer
2. Do you drink milk
3. How often do they stay up late
4. Does Sue eat a healthy breakfast
5. How often do you eat apples
6. Do your parents play sports
c. He plays at least twice a week.
f. Yes, I do. Every day.
e. Never. They always go to bed early.
a. Yes. She usually does.
b. Hardly ever. I don’t like them.
d. No, they don’t. They’re too busy.
Game
I usually play the guitar on weekends.
I sometimes play the guitar on weekends.
I always play the guitar on weekends.
比一比，看谁说得又快又好？
100%
≥ 80%
≥ 20%
I sometimes exercise on weekends.
I hardly ever exercise on weekends.
I never exercise on weekends.
≥ 20%
0%
＜ 5%
sometimes: adv. 有时，句首居中均可。
some times是名词词组，意为“几次，几倍”。
sometime是副词，意为“在某个时候”，“某时” 。
some time是名词词组,意为“一段时间”,做时间状语.
I watched TV for some time last night.
I sometimes go to school by bus.
I will go to America sometime this year.
I have been to the Great Wall for some times.
Do you know their difference
1. I go to the movies maybe once a month.
maybe “大概；或许；可能”，是副词，常位于句首或句中。
e.g. 或许他们将去海滩度假。
______ they are going to the
beach for vacation.
Maybe
【辨析】 maybe与may be
maybe是副词，在句子做状语。may be 是情态动词may与动词原形be一起构成句子的谓语动词意为“可能是”，有时也可互换。
e.g. 或许它们在你的书包里。
_______ they are in your schoolbag.
They _______ in your schoolbag.
Maybe
may be
2. He plays at least twice a week.
at least “至少，不少于；起码”，副词词组，指在数量或程度上。
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.
at least
1. How often do you exercise
exercise
e.g. 我每天都锻炼。
我爸爸总是做运动。
我们每天都做早操。
I exercise every day.
My father always does exercise.
We do morning exercises every day.
v. 锻炼
n. 运动、锻炼，为不可数名词
习题、体操，为可数名词，常和动词 do 搭配使用，做“体操”讲时多用复数。
常用词组：
take/do exercise 做运动；
do morning exercises 做早操；
do eye exercises 做眼保健操
2. hardly用作副词，“几乎不”，表示否定概念，常和can, could等连用，位于动词be、情态动词或助动词后、行为动词前。
e.g. 他不太会说英语。 (翻译)
He can hardly speak English.
hardly ever 几乎从不
e.g. 彼得几乎不迟到。 (翻译)
Peter is hardly ever late.
hard也用副词，“努力地、刻苦地”，“猛烈地” 。
e.g. 他只在考试前努力学习。 (翻译)
He works hard only before exams.
辨析
3. once, twice, three times等次数的表达法。
1) 这三个词都表示____，once是
____，twice是____，除了一次，两
次，其他的次数都表达
___________。
如：三次是__________，五次是
_________。
一次
次数
两次
three times
数字 + times
five times
2) 这些表次数的词后与一段时间连用，
表示动作多长时间发生几次，即动作
的_____。
3) 翻译：
两周一次 ________________
一年两次 ________________
一个月两次 ________________
once two weeks
频率
once a year
twice a month
4. How often & How many times
e.g. 你多久上一次钢琴课？
你一周上几次钢琴课？
How often do you have piano lesson
How many times do you have piano lessons
How often + 助动词 do (does 或 did) + 主语 + do sth. 是对频率（多久一次）进行提问。疑问词 how often (在这里助动词 do, does, 或 did 是起疑问的作用) 与一般现在时或一般过去时连用，回答一般用表频率的副词 always, usually, often, sometimes, never 等或者是“数次 + 一段时间”，如 once/twice a month, three times a month, every year, every week 等。
How many times 对次数进行提问，其答语为 once, twice, three times 等表示次数的单词或短语。
5. Hmm…next week is quite full for me, Jack.
adj. “忙的”，其同义词为busy。
e.g. He had a full weekend.
“满的”，其反义词为empty (空的)。
e.g. The restaurant is full every day.
“吃饱了的”，其反义词为hungry。
e.g. I’m full, so I don’t want to eat
anything.
【拓展】充满
be filled with = be full of
e.g. 瓶子里装满了水。(翻译)
The bottle is full of water.
The bottle is filled with water.
Questions:
__________________________________
(how often / help with housework)
2. __________________________________
(what / usually / do / weekends)
How often do you help with housework
What do you usually do on weekends
Use the words given to write questions. Then ask and answer them with a partner.
3b
3. ___________________________________
(how often / best friend / exercise)
4. ___________________________________
(what/ usually / do /after school )
How often does your best friend exercise
What do you usually do after school
--How often do you/they…
--I always/usually/sometimes/never…
--How often does he/she…
--He/She often/hardly ever…
--He/She …once/twice/three times a month…