专题2.3Grammar-八年级英语人教版(上册)

1、Unit 2 How often do you exercise?2.3 Grammar一、how often引导的特殊疑问句1 . how often意为”多久(一次)”，它引导的特殊疑问句用来询问某动作发生的频率。howoften通常是对一些表示频率的副词提问，如： always, usually, often , sometimes, never等，也可以对表示“多久几次" 之类的频率短语提问, 如 once a week, twice a year, three times a day 等。? How often do you go back home? 你多久回家一次 ？

2、Once a week/Often/Sometimes. 一周一次 /经常/有时。2 .特别提示：若仅对像 once, twice , threetimes这样只表示次数的词语提问，要用 how many times"多少 次"，不用 how often。? How many times have you been to Beijing? 你去过北京多少次 ？ Only once.仅仅一次。3 .注意how often与其他短语的区别(1) howlong主要用来提问动作延续了多长时间，答语通常含有“for+ 一段时间"、"since +时间点”或sin

3、ce引导的时间状语从句。问句和答语中的谓语动词通常为延续性动词。how long也可以用来询问长度。? How long can I keep this book? 这本书我能借多长时间 ？Fortwo weeks. 两周。? How long is the bridge? 这座桥有多长？About 1,000 meters.大约 1, 000 米。(2) howsoon用来询问“过多久”动作才发生，谓语动词常为终止性动词，时态多为将来时，答语通常 为“in+一段时间”。? How soon will you get here? 你还有多久能到这里 ？ In five minutes. 五分钟

4、以后。(3) howfar用来询问两地之间的距离“有多远”。? How far is it from your home to your factory?你家离你的工厂有多远 ？About twenty minutes ' walk.步行大约 20 分钟。一 does your father go to the fitness center?-He exercises there twice a week.A. How soonB. How oftenC. How long【答案】B【点拨】本题用寻找题眼法。由答语卬”ga 比k，可知问句是对频率提问口二、”比较法U学习频率副词相同点a

5、lways(100%)usually(80%左右)always , usually , often , sometimes, hardly ever, never 者B是频率副词，句中只有一个行为动词时，应位于动词之前；当有助动词、系动词、情态动词时，位于其后；谓语动词为多个时，放在个助动词或情态动词之后(有not时，放not之后)。(1) always表7K动作重复，状态连续，中间从来没有间断，表不频率最大，意思是"总是，一直，永远"。其反义词为never。(2) always与进行时态连用，并不强调动作正在进行，而是表示说话人的“赞叹、不满、厌烦”等情绪，带后强烈的感情

6、色彩，结构：be always doing sth。? She is always asking for leave.她老是请假。(表小不满)(3) always与not连用，表示部分否定，意思是"不总是"。? The rich are not always happy. 有钱人未必总幸福。? I do not always believe what he says.我并没始终相他所说的话。usually的频率仅次于 always,意为"通常"，表不通常如此，很少例外。其反义词为unusually。usually Ti情况下位于句中。? He usual

7、ly goes to bed at ten o 'clock.他通常在 10 点睡觉。? What do you usually do on Sundays? 你通常星期天T什么 ？often(50%左右)often"经常，常常“，强调经常性，表不动作重复，中1司有间断，它比always,usually语气弱，其反义词为 seldom。? They often go for a walk after supper.晚饭后，他们常常去散步。? She is often late for work.她上班常迟到。sometimes(30%左右)(1) sometimes表tk&q

8、uot;有时，不时，间或“，同义词组为at times,表示动作偶尔发生，中间间隔较大，频率比 often小。(2) sometimes有时为了对比或强调，也可位于句首或句末,但不引起倒装。? Sometimes he slept at home, sometimes he slept in the office. 他有时在豕睡觉， 有 时在办公室睡觉。hardly ever(1%-10% 左右)(1) hardly ever"几乎从不，很少“，所表示的频率已经很少了，相当于seldom。? He hardly ever goes to bed before midnight.他很少

9、在半夜前就寝。(2) hardly ever是具有否定意义的副词，不与 not连用。never(0%)(1) never表小"从来小，未曾，永不”，频率为零，表小动作或状态从没发生。(2)通常情况下，句子中用了never,就不再用含有否te忌义的not, no, nothing等词。(3) never位于句首时要用倒装语序。? Never have I met such a strange person.我从来没有碰见过这么怪的人。小提示(1)率的答every day, once a week, three times a day等。(2)对表不频率的副词和短语提问用how ofte

10、n。工方法技巧频度副词用法行前系后情助后，句首句末表强调。(行一行为动词；系一系动词 be;情一情态动词；助一助动词) Do you like going mountain climbing?B. oftenD. hardly ever Yes, I do it on weekends with my friends.A. seldomC. never【答案】B1解析】本题青宣却度副词的辨析口句意：你毒熟去爬山吗？是的j我和找的朋右周末经常去“Qdom很少：oMn经常3 口ever从来不：hard、盯k几乎从不了很少&故选I.单项选择1.（福建福州卷） is the nearest h

11、ospital from here?Er, it's about ten minutes' walk.C. How oftenA. How longB. How far2.（贵州黔西南卷）一will you come back?B. How long-I will come back in eighteen days.C. How soonA. How oftenD. How much3.（湖南长沙卷）will you fly to Beijing?In two days.A. How longB. How oftenC. How soon4.（江苏连云港卷）will the

12、6th Chinese Film Festival in France last?一From May 24th to July 19th.A. How oftenB. How soonC. How long5.（湖北荆州卷）-ID. How many eat vegetables.But they are good for your health! We should eat them every day.A. oftenB. usuallyC. alwaysD. seldom6. （广东佛山卷）Meals are very boring. He has the same thing to e

13、at every day.A. neverB. usuallyC. sometimes7. （广西崇左卷） Have you ever been to Guilin? No, . I hope I can go there next year.A. alwaysB. sometimesC. neverD. often8. （大连卷） There is lots of interesting work to do here, so I feel bored.A. alwaysB. oftenC. usuallyD. never9. （绥化卷） How often does Mike go to

14、the net bar? . He is so busy with his study.A. Almost every day B. AlwaysC. Hardly ever10. （泰安） do I need to feed the pet dog? Twice a day.A. How longC. How soonB. How muchD. How often11. （绥化 ） How often does Mike go to the net bar? . He is so busy with his study.A. Almost every day B. Always12. do

15、you play football? Never. I don t like that.C. Hardly everA. How farC. How oftenB. How manyD. How long13. How many hours do you exercise every day?A. Twice a dayC. TwoB. SecondD. Two times14. If my friends have any problems, my door is open to them.A. neverB. seldomD. alwaysC. sometimes15. I ride a

16、bike to school. But this morning, I walked to school.A. neverB. hardlyC. seldomD. usuallyII.根据要求完成下列各题1. I visited my friends in Beijing twice a month last year.（对画线部分提问）did you visit your friends in Beijing last year?2. Mike always plays computer games on school nights.（改为否定句） Mike computer games o

17、n school nights.3. I go to school five days a week.（对画线部分提问） do you go to school a week?4. She watches TV every day.（对画线部分提问） she watch TV?5. Mr. Zhang is teaching him English. （用 often 改写句子）Mr. Zhang him English.6. I often go shopping.（对画线部分提问） do you go shopping?7. She sleeps seven hours every day

18、.（对画线部分提问） does she every day?8. His shoes are fifty yuan.（对画线部分提问） are his shoes?9. She washes clothes every Sunday.（改为否定句） She clothes every Sunday.10. We often visit our grandparents on weekends.（对画线部分提问） you often on weekends?11. Many young people watch football matches on TV four or 巾ve times a

19、 week.（对画线部分提问）many young peoplefootball matches on TV?12. Jack usually does his homework at school.(改为一般疑问句) Jack his homework at school?III.完成句子，每空一词1 .你父亲周末经常做什么？ (usually)2 .你多久打扫一次你的卧室？ ( how often)3 .母亲说这对我的健康有益。(be good for)4 .你每晚睡几个小时？ ( how many)5 . 一些学生每周看电视 4到5次。(times)6 .夏天的下午我们通常在公园里玩。(

20、usually)7 .我妈妈上班从不迟到。(never)8 .你应该经常去看你的祖父母。(often)9 .不要总是待在家看电视。(always)10 .有时候我坐汽车去那里。(sometimes)IV.完形填空Ava was ill. She went to see a doctor. The doctor asked her to 1 her tongue (舌头)，and then hesaid, " OK. You can put your tongue back now. There's2 wrong with you, but I'm afraid you

21、 have aproblem, you never takeII"But, doctor," Ava said, " I don ' t think sO."Don' t 4 me what you think," the doctor said, " I see a lot of people 5 you. None of them get any exercise. They sit in offices all day and in front of the TV in the evening. You must

22、 walk quickly for at least 20 minutes a day."" Doctor, you don ' t understand. Ava said, " I take enough exercise every day."" I don ' t want to 6 any excuses," the doctor said, " You must find time 7 exercise. If you don ' t, you will get 8 and have he

23、alth problems.""But I walk every day. " Ava said." Oh, yes, and I know what kind of walking that is. You walk9 meters to the bus stop from yours not ahouse, from the bus stop to your office, and from your office to your dining- room for lunch and back. That real walk. I ' m t

24、alking about a walk by the lake or in the park for 20 minutes every day." Would you please 10 me, doctor?" Ava said, " I' m a postwoman. I walk for nearly seven hours every day."For a moment the doctor was silent, then he said, " Can I see your tongue again?"1. A. p

25、ut away2. A. somethingB. put downB. nothingC. put outC. some3. A. exercisesB. medicineC. exercise4. A. tellB. sayC. ask5. A. seemB. likesC. like6. A. hearB. sayC. find7. A. aboutB. forC. in8. A. thinB. strongC. fat9. A. littleB. a littleC. a few10. A. to hearB.hearC. listen toV.短文填空Now many children

26、 are getting fat because they do little e 1. Some of them spend too much time watching TV . O 2 have to spend a lot of time studying. So they don 't have e 3 time to exercise.A report says that many middle school students spend about 10 hours a day sitting down and more than 13 hours e 4 week wa

27、tching TV. And many students like eating sweet food. That also m 5 them fatter.Do you want to be healthy but don 't know h 6? It is very i 7 to exercise and eat the right food.You don't need to spend all day doing exercise to keep fit. In fact, you can exercise anywhere at any t8Walking to s

28、chool, c 9 the house or climbing stairs（ 楼梯）every day can h 10. Remember there areeasy ways to keep fit. Doing exercise can make you feel good. That also helps you do better at school.分科令果I.单项选择1. B【解析】句意：一一最近的医院离这里多远？一一嗯，步行大约十分钟的路程。how long多久，多长时间，提问时间；low far多远，提问路程；how often多久一次，提问频率。由答语可知问的是路程 的

29、长度，故选Ao2 C【解析】句意二 你多快会回来？一我在18天后会回来口 howgen多久一况 向频率副词提问j hoKlmg多长f多久，问时间的长度；hok soon多快，问动作多快会发生最howmudi多少，问不可 数名词的数量。由答语可知这里问的是多快,故选C&3. C 【解析】句意：你多久会飞回北京？2天后。How long多长时间；How often多久一次；Howsoon还要过多久，与将来时连用。故选 Co4. C【解析】句意：一一法国的中国第6届电影节持续多长时间？一一从5月24日到7月19日。How often多久一次；How soon还要过多久；How long多长，

30、对时间段提问；How many多少，对可数名词的数量提问。故选Co5. D 【解析】句意：一一我很少吃蔬菜。一一但是它们对你的健康有好处！我们应该每天吃它们。often经常；usually 经常；always 总是；seldom 很少；根据 But they are good for your health!可知此处表示 转折关系，虽然它们有利于健康，但是他吃得少，故用副词seldom,故选D。6. B【解析】句意：他的饮食很单一， 每天通常吃同样的东西。never从不，绝不；usually通常；sometimes有时。故选Bo7. C 【解析】句意：一一你曾经去过桂林吗？一一没有，从没去过。

31、我希望明年能去那里。这四个选项都是频率副词，always总是，一直；sometimes有时，偶尔；never从不，从来不；often经常。根据否Co定回答及后文说希望明年能去，说明从来没有去过，故选always总是，一直；often经常;8. D 【解析】句意：这儿有许多有趣的事情做。因此我从不感到无聊。usually通常；never从不，绝不。因为有许多有趣的事，所以从不无聊。故选 D。9. C 【解析】almost every day 几乎每天；always 总是；hardly ever 几乎从不。由"He is so busy with his study." 可知C

32、项为正确答案。10. D【解析】句意：我多久需要喂宠物狗一次？ 天两次。how long多长时间；how much多少（钱）；how soon多久；how often多久一次。根据答语可知询问频率，故选 D。11. C【解析Llmosi even day几乎每天冠砧-野行总是由亚山丁 ever几乎从不口由"He is so busy 口油his study " 可知C项为正碉答案c12. C【解析拨】how fax多远；how many多少；how often多久一次,how long多长时间口由Never可知是 对频率进行提问，所以选心13. C【解析】句意：你每天运动多

33、少个小时？两个小时。由问句中的How many hours可知这里是问运动的时长，故选Co14. D【解析】本题用句意分析法解题。句意：如果我的朋友有任何问题，我的门总是会为他们敞开。never从不；seldom 很少；sometimes有时；always总是。故选 D项。15. D【解析】句意：我通常骑自行车去学校。但是今天早上我步行去的学校。never从不；hardly几乎不；seldom很少；usually通常，结合句意可知要选D。II .根据要求完成下列各题1. How often5. often teaches9. doesn't wash2. never plays6. H

34、ow often10. What do; do3. How many days7. How many hours ; sleep11. How many times do ; watch4. How often does8. How much12. Does; usually doIII .完成句子，每空一词1. What does your father usually do on weekends?2. How often do you clean your bedroom?3. Mother says it ' gsod for my health.4. How many hou

35、rs do you sleep every night?5. Some students watch TV four or five times a week.6. We usually play in the park in the afternoon in summer.7. My mother is never late for work.8. You should often go to see your grandparents.9. Don ' t always watch TV at home.10. Sometimes I go there by car.IV.完形填空

36、【文章大意】Ava生病了去看医生，医生检查了她的舌头之后，建议她要多做运动，多走动。不然就会变胖或者会有健康方面的问题。建议她每天至少走二十分钟的路。Ava说她是邮递员，每天至少要走七个小时。最后医生提出再次检查她的舌头。1. C【解析】考查动词短语及语境的理解。句意：医生让她伸出舌头。put away放好，储存；put down记下，放下；put out伸出，扑灭； put up建造，举起。故选 Co工R 解析拷查不定代词及语境的理解句意:你身体没有什么问题?根据but Im ait aid you have a problem, you never take exer ciseo但是我很担

37、心你有一个问题，你从没有参加救炼。故选B。3. C【解析】考查名后及语境的理解口句意:但是我很担心你有一个问题,你从没有梦加锻炼口 tike Exercise 锻炼?ukEmwl证汕亡吃药*邙就出广为锻炼的意思时为不可数名词，故选C©4. A【解析】考查代词及语境的理解。句意：不要告诉我你在想什么。say、talk、tell、speak都是"说"的意思。say+内容及say sth to sb;"用英语说"翻译为 say it in English ,"给某人讲故事"tell sb. a story, tell sb sth

38、/tell sth to sb。talk 交谈，聊天 talk to sb/talk sb about sth。speak"说"、"讲"、"演 讲u。作及物动词时，宾语常是表示语言的词。故选 Ao5. C【解析】考查动词及语境的理解。句意：我知道有很多人像你一样。seem似乎，像是，不及物动词，不能直接加sb,通常为seem like,看起来像。like像一样，介词。故选 C。6. A【解析】考查动词及语境的理解。句意：我不想听任何的借口。hear听；say说；find找到；look for寻找。故选A。7. B【解析】考查介词及语境的理解。句意：你必须要有锻炼的时间。find time for sth抽时间做某事。故选B。8. C【解析】考查形容词及语境的理解。句意：如果你不这样做，你就会变胖还会有健康问题。thin瘦；strong强壮；fat胖；healthy健康。根据题意，如果不锻炼就会变胖。故选 C。9. C【解析】考查形容词及语境的理解。句意：从你的家到汽车站就只有几米。little、a little用来修饰不可数名词。排除 A、B。a few一些。故选 C。10. C【