人教版八年级英语上册第二单元SectionA.ppt

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1、Unit 2How often do you exercise?1、How often 意为意为“多久一次，多长时间一次多久一次，多长时间一次”用来提问用来提问频率频率，回答时一般用表示频率，回答时一般用表示频率的词或短语。的词或短语。e.g.How often do you drink milk?I drink milk every day.2.exercise v.锻炼；锻炼；n.U运动运动;C练习练习e.g.Lets do our exercises.让我们做练习吧。让我们做练习吧。Walking is a good exercise.散步是一项很好的运动。散步是一项很好的运动。go t

2、o the moviesgo shoppingwatch TVsleepreadWeekend activitiesplay computer gamesexercisehelp with houseworkWhat do you usually do on weekends?I usually/often 频度副词频度副词always意为意为“总是总是”,表示动作的重复或状态的表示动作的重复或状态的延续。延续。usually意为意为“通常通常”,表示很少有例外。表示很少有例外。often意为意为“经常经常”,表示动作的重复表示动作的重复,但不如但不如usually那么频繁那么频繁,中间有间断

3、。中间有间断。sometimes意为意为“有时有时”,表示动作偶尔发生。表示动作偶尔发生。hardly意为意为“几乎不几乎不”,常和常和ever连用表示强调。连用表示强调。never意为意为“从未从未”。注意 一般现在时态一般现在时态中，频度副词中，频度副词不不影响影响动词的三单变化。动词的三单变化。2.hardly 只用作副词，其意思是只用作副词，其意思是“几乎几乎不不”，表示否定概念，表示否定概念。e.g.He can hardly speak English.他不太会说英语。他不太会说英语。hardly ever 几乎从不几乎从不 e.g.Peter is hardly ever lat

4、e.彼得几乎从不迟到。彼得几乎从不迟到。100%100%alwaysusuallyoftensometimeshardly ever 80%80%never0%0%60%60%20%20%5%5%提示：频度副词在句中的位置是：提示：频度副词在句中的位置是：实义动实义动词之前词之前,be动词、情态动词或助动词之后。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.

5、(often)5、Mike usually (exercise)on weekends.6、She sometimes (go)shopping after work.hasrisesLinda is always on time.You parents often go out for a walk.exercisesgoesalways(100%)always(100%).usually usually .often often .sometimes sometimes .hardly ever hardly ever .never(0%)never(0%).Listen and writ

6、e the activities.What do you usually do on weekends?What do you usually do on weekends?I usually I usually watch TVwatch TV.Do you Do you go shoppinggo shopping?Yes,I often go shopping./Yes,I often go shopping./No,I never go shopping.No,I never go shopping.Practice the conversations2.once,twice,thre

7、e times 等次数的表达法。等次数的表达法。1)这三个词都表示这三个词都表示_，once是是_，twice是是_，除了一次，除了一次，两次，其他的次数都表达成两次，其他的次数都表达成_。如：三次是如：三次是_，五次是五次是_。表示一天表示一天/周周/月月/年多少次年多少次,可以用可以用 .times a day/week/month/year一次一次次数次数两次两次three times基数词基数词+timesfive times2)这些表次数的词后与一段时间连用，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，即动作表示动作多长时间发生几次，即动作 的的_.3)翻译：翻译：两周

8、一次两周一次 _ 一年一年一一次次 _ 一一个月个月两次两次 _once two weeks频率频率once a yeartwice a month英汉互译英汉互译1.去看电影去看电影 _ 2.运动运动 _ 3.看电视看电视 _4.读英语书读英语书 _5.上网上网 _ 6.购物购物 _7.多久一次多久一次 _go to the movieswatch TVread English booksexerciseuse the Internetgo shoppingHow often8.一周两次一周两次 _9.一年七次一年七次 _10.一个月一次一个月一次 _11.一天三次一天三次 _12.摇摆舞摇

9、摆舞 _13.上钢琴课上钢琴课 _14.怎么样？怎么样？_15.不得不做某事不得不做某事 _16.打网球打网球 _twice a weekseven times a yearonce a monththree times a dayswing dancehave piano lessonsHow abouthave to do sth.play tennis.How come?为什么呢？为什么呢？这这是英是英语语中的一个口中的一个口语语，相当于，相当于汉语汉语的的“为为什么什么”、“怎么会怎么会”等，既可以独立使用，也可在等，既可以独立使用，也可在后接句子，来后接句子，来询问询问事情的事情的缘

10、缘由或状况。由或状况。例如：例如：How come the sky is blue today?今天天怎么会今天天怎么会这这么么蓝蓝？A：I didnt even eat lunch today.我今天甚至没吃午我今天甚至没吃午饭饭。B:Really?How come?是是吗吗？怎么会呢？怎么会呢？1.maybe 意意为为“大概；或大概；或许许；可能；可能”，是，是副副词词，常位于句首或句中，常位于句首或句中。e.g.或或许许他他们们将去海将去海滩滩度假。度假。_ they are going to the beach for vacation.Maybe【辨析辨析】maybe 与与may b

11、e maybe是副是副词词，在句子做状，在句子做状语语。may be 是情是情态动词态动词may 与与动词动词原形原形be 一一起构成句子的起构成句子的谓语动词谓语动词意意为为“可能是可能是”，它它们们有有时时也可互也可互换换。e.g.或或许许它它们们在你的在你的书书包里。包里。_ they are in your schoolbag.They _ _ in your schoolbag.Maybemay be1.How often _ he play soccer？2._ you drink milk?3.How often _ they stay up late?4._ Sue eat a

12、 healthy breakfast?5.How often _ you eat apples？6._ your parents play sports?3a Complete the questions with do or does.dodoesDo Does doDo 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

13、 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 意意为为“至少，不少于；起至少，不少于；起码码”，是副，是副词词组词词组，一般指在数量或程度，一般指在数量或程度上上。

14、e.g.你必你必须须至少一周打至少一周打扫扫你的房你的房间间一一 次。次。You have to clean your house _ _ once a week.at least Questions:1._?(how often/help with housework)2._?(what/usually/do/weekends)How often do you help with houseworkWhat do you usually do on weekendsUse the words given to write questions.Then ask and answer them

15、with a partner.3b3._?(how often/best friend/exercise)4._?(what/usually/do/after school)How often does your best friend exerciseWhat do you usually do after school练习：补全单词练习：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 be

16、cause he e_ every day.4.Animal World is my favorite TV p_.eekendsnce wicexercisesrogram5.The weather here is so cold,I can h_ stand it.6.These two pictures have no _(区别区别).7._(虽然虽然)Mr.White is very old,he goes to work every day.8.Do you have a _(健康健康)lifestyle?differenceshealthyAlthoughardly一、句型转换一、

17、句型转换1.She goes to the movies three times a month.（对划划线部分提部分提问）_ _ _ she go to the movies?2.My mother wants me to play the guitar.(同同义句句转换)My mother_ _ me to play the guitar.How often doeswould like练习：练习：3.We eat meat twice a week.(同同义句句)We _ meat two _ a week.4.I always exercise after school.(变成完全否定

18、句成完全否定句)I _ exercise after school.5.I practice the piano every day.(对划划线部分提部分提问)_ _ do you practice the piano?havetimesneverHow often二、单项选择二、单项选择1.-Can you understand me?-Sorry,I can _ hear you clearly.A.almost B.ever C.hardly D.nearly2.He tries _ English.A.learn B.learning C.to learn3.An apple a da

19、y is good _ your health.A.at B.with C.for D.inC CC4.-_ 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.Can6.I have a _ habit.A.health B.healthy C.healthily D.healthilyC 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