Unit2 How often do you exercise SectionA 2a-2d课件(共22张PPT)

(共22张PPT)
How often do you exercise
Unit 2
Section A (2A~2D)
人教新目标Go For It八年级英语上册
1. 掌握频率副词always，usually，often，sometimes，hardly ever，never及频
度词组once a week，twice a month等的用法。
2. 能够使用以how often引导的特殊疑问句询问活动频度，并用频度副词进行
回答。
3. 加深对一般现在时的了解与掌握，尤其第三人称单数的谓语动词和助动词
的运用。
4. 通过调查与讨论，了解更多闲暇活动，丰富课余生活。
重点
Teaching aims
频度副词
常用的频度副词有 always（总是），usually（通常），often（经常），sometimes（有时），seldom（很少），hardly（几乎不），never（从不）等；用法都是放在 be 动词和助动词后、行为动词前。
I always remember my first day at school.
Amy usually gets up at six in the morning.
Children often like chocolate.
Lucy is sometimes very busy.
Eric is seldom late for school.
I can hardly say a word.
Betty never goes to bed late.
usually
always
often
sometimes
seldom
hardly
never
Presentation
表示具体的频率、次数时，一次用once，两次用twice，三次及以上用“基数词+ times”。
对频度副词提问时，用how often。
We play football four times a week.
I watch TV once a week.
—Peter, how often do you exercise
—Hardly ever.
always一般不用于句首，但可用于祈使句中。
eg. Always remember this.
要时刻记住这一点。
注意
Presentation
Learn to walk before you run
read books
exercise
go shopping
go to the movies
listen to music
help with housework
climb the mountains
watch TV
visit grandparents
draw pictures
weekend activities
Warming up
A : What do you usually do on weekend
B : I usually …..
Learn to walk before you run
What do you do on weekends
I ...
Do you…
...
Learn to walk before you run
What do you do on weekends
I ...
Do you…
...
Learn to walk before you run
Reading Schedule Sun. Mon. Tues. Wed. Thurs. Fri. Sat.
√ √ √ √ √ √ √
—I read books ________.
every day
—How often do you read books
Learn to walk before you run
—He plays football ___________.
Exercise Schedule Sun. Mon. Tues. Wed. Thurs. Fri. Sat.
football running running
once a week
—He runs ___________.
twice a week
—How often does he play football
—How often does he run
Learn to walk before you run
Language points
频度副词
Learn to walk before you run
always
usually
often
sometimes
hardly ever
never
从不，从未
很少，几乎不
有时
经常，常常
通常，一般
总是
100%
0%
Learn to walk before you run
sometimes有时
sometimes频度副词，意为“有时”。同义短语为at times。e.g. I sometimes play computer games.
我有时候玩电脑游戏。
辨析：sometimes, some times, sometime与some time
sometimes：是频度副词，意为“有时”，表示动作发生的不经常性，多与一般现在时连用，它可位于句首、句中或句末，对它提问用how often。
Learn to walk before you run
some time是名词短语意为“一段时间”，表示“一段时间”时，句中谓语动词常为延续性动词。对它提问用how long。
some times是名词短语，意为“几次；几倍”，其中time是可数名词，对它提问用how many times。
sometime是副词，意为“某个时候”，表示某个不确切或不具体的时间，常用于过去时或将来时，对它提问用when。
Learn to walk before you run
__________ I get up very late. ?
I have read the story __________. ?
I’ll go to Shanghai __________ next week.
I will stay here for __________. ?
巧记 sometimes, some times, sometime与some time
“有时”相聚加s（sometimes）,
“几次”分开带s（some times）。
相聚为“某时（sometime）”，
分开“一段时间（some time）”。
Sometimes
some times
sometime
some time
sometimes some times sometime some time
Learn to walk before you run
Language points
— How often do you watch TV 你多久看一次电视？
— Twice a week. 每周两次。
(1) how often 多久一次
How often + 助动词 do (does 或 did) + 主语 + do sth.
用来询问（主语）多久进行一次某个（活动）的频率;
回答时可用once / twice / three times a day（每天一/两/三 次），sometimes（有时），never（从不），very often （经常）等。
Learn to walk before you run
How come 为什么呢？
这是英语中的一个口语，相当于汉语的“为什么”、“怎么会”等，既可以独立使用，也可在后接句子，来询问事情的缘由或状况。
e.g. (1)How come the sky is so blue today
今天天怎么会这么蓝？
(2) A: I didn’ t even eat lunch today. 我今天甚至没吃午饭。
B: Really How come 是吗？怎么会呢？
Learn to walk before you run
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!
……怎么样？
Learn to walk before you run
Summary
1.本课时我们学习的主要语法点是由wh- 和how 引导的特殊疑问句以及其对应的答语。
如：What do/does …
How often do/does … 等。
e.g. What do you usually do on weekends
你通常周末做什么？
I usually listen to music. 我通常听音乐。
Learn to walk before you run
e.g. How often do you go to the factory
你多久去一次工厂？
I go to the factory twice a week. 我两周去一次。
How often do you exercise
你（你们）多久锻炼一次身体？
How often + 助动词 do (does 或 did) + 主语+ do sth.
Learn to walk before you run
Ⅰ. 用所给词的适当形式填空。
1. Next week is quite ____ (full) for me.
2. Mother often goes ________ (shop) after work.
3. How often _____ he _____(do) his homework？
4. He watches TV _____ (two) a week.
full
shopping
does
do
twice
Learn to walk before you run
1.Cheng watches TV about ____________（一周两次）.
2.The reporter _____________________（每天读故事） at school.
twice a week
reads stories every day
根据汉语提示完成句子。
3.Cheng _________________（看电影）once a month.
4.The reporter exercises about _____________（每月两次）.
5.Cheng shops about _________________（每周三次）.
goes to the movies
three times a week
twice a month
Learn to walk before you run
中考链接
— ______ do you exercise, Tony
—Three times a week.
A. How often B. How soon
C. How long D. How much
一星期三次。
A
多久一次
多长时间
多久以后
多少（钱）