初中英语人教版八年级上册Unit2 Section A Grammar focus.ppt

1、Unit 2 How often do you exercise?,Section A2 Gramar Focus-3c,1. 你通常在周未做什么？ _ _ you _ do on weekends? 2. 我总是去运动。 I _ _. 3. 他们在周未做什么事情？ _ _ they _ on weekends？,Grammar Focus,usually,What do,always exercise,What do,do,根据课本内容，完成下列句子。,4. 他们经常帮助做家务。 They _ _ with housework. 5. 她在周未做什么？ What _ she _ on wee

2、kends? 6. 她有时候去购物。 She _ _ _.,often help,does,do,sometimes goes shopping,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 _ _ a _. 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,maybe once month,movies,hardly ever,How often,11. 你去购物吗？ _ _ go shopping?

3、 12. 不，我从不去购物。 No, I _ _ shopping.,Do you,never go,Explanation,1. maybe 意为“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”，它们有时也可互换。,e.g. 或许它们在你的书包里。 _ they are in your schoolbag.

4、 They _ _ in your schoolbag.,Maybe,may be,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,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?,复习：一般现在时 1.表示经常发生的动作或存在的状态。（常和always, usually, often, sometimes, every day等时间状语连用)

5、 We always help each other. 2.表示客观事实或普遍真理 The earth moves around the sun. 3.表示心理状态或感觉 I dont think you are right.,Grammar Focus,否定句结构： 主语+ dont +动词原形 +其他 doesnt+ 动词原形,肯定句结构： 主语+ 动词原形 +其他 动词单三形式,一般疑问句结构：Do/Does+主语+ 动词原形+其它？,谓语是行为动词的一般现在时结构,特殊疑问句结构：特殊疑问词+do/does+主语+ 动词原形+其它？,2. 在一般现在时的一般疑问句中，当主语为第三人称单

6、数时，需要句子前加 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,助动词Do或Does ，则后面动词用原型 。,3a,Practice,Complete the questions with do or does. Then match the questions and answers.,How often _ he play soccer? _ you drink milk? How often _ they stay up

7、late? _ Sue eat a healthy breakfast? How often _ you eat apples? _ your parents play cards?,Yes. She usually does. Hardly ever. I dont like them. He plays at least twice a week. No, they dont. Theyre too busy. Never. They always go to bed early. Yes, I do. Every day.,3a. Complete the questions with

8、do or does. Then match the questions and answers. How often_ he play soccer?_ _ you drink milk? _ How often_they stay up late?_ _Sue eat a healthy breakfast?_ How often_ you eat apples?_ _ your parents play sports?_,does,Do,do,Does,do,Do,c,f,e,a,b,d,2. at least 意为“至少，不少于；起码”，是副词词组，一般指在数量或程度上。 e.g. 你

9、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,Practice,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 the

10、m 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 help with housework?,I,What do you usually do on weekends?,I ,Ask and answer.,How often does your best

11、 friend, Alice exercise?,She .,What does your cousin, do after school?,He .,Group work,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.,3c,How often do you read English books, Lin Ying?,I read English boo

12、ks about twice a week.,How often do you ?,.,write to a pen friend,watch English movies,go to English club,Su Lei,Hu Tao,once a week,Hu Tao,Ma Li,twice a week,Keep an English diary,once a day,twice a month,Lin Ying reads English twice a week. Hu Tao goes to English Club twice a week. Su Lei watches E

13、nglish movies once a month. Ma Li writes to a pen friend once a month. Hu Tao keeps an English diary. I think Hu Tao is the best English student.,Report,Exercises,句型转换,I usually go shopping on weekends. (变为一般疑问句) _ you usually _ shopping on weekends? 2. She often helps with housework at home. (同上) _ she often _ with housework?,Do go,Does help,They visit their grandparents once a month. (提问) _ _ _ they visit their grandparents? 4. She always watch TV after dinner. (提问) _ _ _ she _ TV after dinner?,How often do,How often does watch,Maybe your