人教版八年级英语上册第二单元SectionA.ppt

Unit 2 How often do you exercise?,1、How often 意为“多久一次，多长时间一次” 用来提问频率，回答时一般用表示频率的词或短语。 e.g. How often do you drink milk ? I drink milk every day.,Explaination,2. exercise v. 锻炼； n. U运动; C练习 e.g. Lets do our exercises. 让我们做练习吧。 Walking is a good exercise. 散步是一项很好的运动。,go to the movies,go shopping,watch TV,sleep,read,Weekend activities,play computer games,exercise,help with housework,What do you usually do on weekends? I usually / often ,频度副词,always意为 “总是”, 表示动作的重复或状态的延续。 usually意为 “通常”, 表示很少有例外。 often意为 “经常”, 表示动作的重复, 但不如usually那么频繁, 中间有间断。 sometimes意为 “有时”, 表示动作偶尔发生。 hardly意为 “几乎不”, 常和ever连用表示强调。 never意为 “从未”。,注意,一般现在时态中，频度副词不影响动词的三单变化。,2. hardly 只用作副词，其意思是“几乎不”，表示否定概念。 e.g. He can hardly speak English. 他不太会说英语。 hardly ever 几乎从不 e.g. Peter is hardly ever late. 彼得几乎从不迟到。,100%,always,usually,often,sometimes,hardly ever, 80%,never,0%, 60%, 20%, 5%,提示：频度副词在句中的位置是：实义动词之前, be动词、情态动词或助动词之后。,1、He hardly (have) breakfast at home. 2、The sun never (rise) in the west. 3、Linda is on time.(always) 4、You parents go out for a walk.(often) 5、Mike usually (exercise) on weekends. 6、She sometimes (go)shopping after work.,has,rises,Linda is always on time.,You parents often go out for a walk.,exercises,goes,always(100%) . usually . often . sometimes . hardly ever . never (0%) .,Listen and write the activities.,What do you usually do on weekends? I usually watch TV. Do you go shopping? Yes, I often go shopping. / No ,I never go shopping.,Practice the conversations,2. 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，其他的次数都表达成_。 如：三次是_ ，五次是_。 表示一天/周/月/年多少次, 可以用 . times a day/week / month / year,一次,次数,两次,three times,基数词 + 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 _ 一年一次 _ 一个月两次 _,once two weeks,频率,once a year,twice a month,Exercises,英汉互译,1. 去看电影 _ 2. 运动 _ 3. 看电视 _ 4. 读英语书 _ 5. 上网 _ 6. 购物 _ 7. 多久一次 _,go to the movies,watch TV,read English books,exercise,use the Internet,go shopping,How often,8. 一周两次 _ 9. 一年七次 _ 10.一个月一次 _ 一天三次 _ 摇摆舞 _ 上钢琴课 _ 怎么样？ _ 不得不做某事 _ 打网球 _,twice a week,seven times a year,once a month,three times a day,swing dance,have piano lessons,How about,have to do sth.,play tennis,.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。 例如： How come the sky is blue today? 今天天怎么会这么蓝？ A： I didnt even eat lunch today. 我今天甚至没吃午饭。 B: Really? How come? 是吗？怎么会呢？,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. They _ _ in your schoolbag.,Maybe,may be,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?,3a Complete the questions with do or does.,do,does,Do,Does,do,Do,Then 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 dont like them. c. He plays at least twice a week. d. No, they dont. Theyre too busy. e. Never. They always go to bed early. f. Yes, I do. Every day.,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 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,练习：补全单词,1. -What do you usually do on w_? -I often watch TV. 2. -How often does she shop? -O_ or t_ a week. 3. Grandpa is pretty healthy because he e_ every day. 4. Animal World is my favorite TV p_.,eekends,nce,wice,xercises,rogram,5. The weather here is so cold, I can h_ stand it. 6. These two pictures have no _(区别). 7. _ (虽然) Mr. White is very old, he goes to work every day. 8. Do you have a _(健康) lifestyle?,differences,healthy,Although,ardly,一、句型转换,1. She goes to the movies three times a month.（对划线部分提问） _ _ _ she go to the movies? 2. My mother wants me to play the guitar. (同义句转换) My mother_ _ me to play the guitar.,How often does,would like,练习：,3. We eat meat twice a week. (同义句) We _ meat two _ a week. 4. I always exercise after school. (变成完全否定句) I _ exercise after school. 5. I practice the piano every day. (对划线部分提问) _ _ do you practice the piano?,have,times,never,How often,二、单项选择,1. -Can you understand me ? -Sorry, I can _ hear you clearly. A. almost B. ever C. hardly D. nearly 2. He tries _ English. A. learn B. learning C. to learn 3. An apple a day is good _ your health. A. at B. with C. for D. in,C,C,C,4. -_ do you go to the movies ? -Once a week. A. How long B. How soon C. How often D. How much 5. _ Im not very healthy. A. Maybe B. May be C. May D. Can 6. I have a _ habit. A. health B. healthy C. healthily D. healthily,C,A,B,4. We watch TV _ seven _ Sunday evening. A. at, in B. at, on C. on, in D. on, on 5. The students exercise every day and they try _ healthy. A. keep B. keeping C. kept D. to keep,B,D,