Unit 2 How often do you exercise? Section A (Grammar Focus~3c) 课件(共19张PPT) 人教版英语八年级上册

(共19张PPT)
Unit 2
How often do you exercise
Section A (Grammar Focus~3c)
Free talk
What do you usually
do on weekends
I usually do...
How often do you
do... on weekends
I always/usually/often/
sometimes...
能掌握一般现在时的一般疑问句和特殊疑问句中助动词的变化规律。
1
能掌握频度副词always，usually，often，sometimes，hardly ever，never及频度词组once a week，twice a month等的用法。
2
分组朗读并观察下列句子。
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.
1 组
2 组
3 组
4 组
Divide the whole class into 4 groups and
each group discusses one question.
Group 1：找出表格中的频度副词，并按照频率由高到低排序。
Group 2：表示具体的频率、次数时，该如何表达？
Group 3：观察表格中频度副词的位置，你有什么发现？
Group 4：what, how often等引导的一般现在时句型中助动词的形式有什么规律？
目标一: 能掌握频度副词及频度词组的用法
讨论时间过后，请第一、二、三组的同学派代表依次回答下面的问题，并欢迎其他组同学做补充。
Activity 1
Group 1：找出表格中的频度副词，并按照频率由高到低排序。
Group 2：表示具体的频率、次数时，该如何表达？
Group 3：观察表格中频度副词的位置，你有什么发现？
Summary 1
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.
频度副词always(总是), usually(通常), often(经常), sometimes(有时候), 还有hardly ever(几乎不), never(从不),谈论习惯性、经常性的动作或状态，常常与一般现在时连用。
always (100%)
usually (80%)
often (30-50%)
sometimes (20%)
hardly ever (5%)
never (0%)
从不，从未
很少，几乎不
有时
经常，常常
通常，一般
总是
100%
0%
Summary 2
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”。
We play football four times a week.
I watch TV once a week.
Summary 3
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.
频度副词的位置：频度副词一般用在实义动词之前
I’m never late for school. 我从不上学迟到。
I can hardly ever say a word. 我几乎说不出一句话来。
Usually my father gets up early. 我爸爸通常起得很早。
频度副词的位置：频度副词一般be动词、助动词或情态动词之后，有时为了强调，也可置于句首。
目标二: 能掌握一般现在时的一般疑问句和特殊疑问句中助动词的变化规律。
Activity 1
请第四组的同学派代表回答下面的问题，并欢迎其他组同学做补充。
Group 4：what, how often等引导的一般现在时句型中助动词的形式有什么规律？
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.
在一般现在时的特殊疑问句中，当主语为第一人称、第二人称或第三人称复数时，在疑问词后，主语之前加助动词do, 当主语为第三人称单数时，在疑问词后加助动词does, 其句型结构为：
①特殊疑问词+do+主语(第一人称，第二人称，第三人称复数)+动词原形+其他？②特殊疑问词+does+主语(第三人称单数)+动词原形+其他？
例如：How do they get to school What time does she get to school
Summary 4
特殊疑问句的答语句型结构为：
①主语(第一人称，第二人称，第三人称复数)+动词原形+其他。
②主语(第三人称单数)+动词原形加(s/es…)(三单形式)+其他。在一般现在时的一般疑问句中，助动词do/does要放在句首。
如：
Do they often exercise on weekends
他们通常在周未锻炼吗？
Does she use the Internet twice a week
她一周上网两次吗？
Activity 2
3a
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
do
does
Do
Does
do
Do
3a
Match the questions and answers.
1. How often dose he play soccer
2. Do you drink milk
3. How often do they stay up late
4. Dose Sue eat a healthy breakfast
5. How often do you eat apples
6. Do 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.
3b
Use the words given to write questions. Then ask and answer them with a partner.
Questions
1. ____________________________________
(how often / help with housework)
2. ____________________________________
(what / usually / do / weekends)
3. ____________________________________
(how often / best friend / exercise)
4. ____________________________________
(what / usually / do / after school)
My partner’s answers
_________________________
_________________________
_________________________
_________________________
How often do you help with housework
What do you usually do at weekends
How often does your best friend do exercise
What do you usually do after school
Activity 3
Activity 4
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.
watch English programs
watch English movies
write English diaries
sing English songs
学习目标
通过本堂课的学习，你学到了什么？
能掌握频度副词always，usually，often，sometimes，hardly ever，never及频度词组once a week，twice a month等的用法。
1
能掌握一般现在时的一般疑问句和特殊疑问句中助动词的变化规律。
2