How 用法详解how的用法较活，含义丰富。
现就how在句中的用法作一小结，以便同学们在学习中能更好地理解和掌握它。
1. 表示感叹。
如：How cold it is today！今天好冷啊！How hard they are working！他们在多么辛勤地劳动啊！How fast he runs！他跑得多快啊！2. 表示问候。
如：How do you do？你好！How are you？你（身体）好吗？3. 表示某种方式、手段或方法。
如：How do you spell it？你怎样拼写它？How did he go to school yesterday？他昨天是怎样去上学的？How do you know about it？你怎么知道这件事的？4. 表示爱好、程度、看法等。
如：How do you like the music？你觉得这首乐曲如何？How is your Chinese？你的汉语如何？How do you like China？你认为中国怎么样？5. 问天气。
如：How is the weather in Beijing？北京的天气怎么样？How is the weather in winter？冬天的气候怎样？6. 问路。
如：Excuse me， how can I get to the train station？请问去火车站的路怎么走？7. 问年龄。
如：How old are you？你多大了？8. 问数量。
如：How many players are there in a team？一个队有几名队员？How much bread is there on the table？桌子上有多少面包？9. 问价钱。
如：How much is this coat？这件外套多少钱？How much are these apples？这些苹果多少钱？10. 问高度。
如：How high is the mountain？这座山有多高？How tall is the girl？这女孩儿有多高？11. 问距离。
如：How far away is his home from the school？他家离学校有多远？How long is the Yellow River？黄河有多长？12. 问时间。
如：How long were you away from school last year？去年你缺课多长时间？How soon will they come back？他们将何时回来？How often do the buses run？公共汽车多长时间开一班？how long用来提问“多长时间”，对“一段时间的长短”提问时用，与延续性动词连用；how often用来提问某动作或状态发生的频率，对“一段时间内发生了几次活动”（always，usually，often，never或twice a day等表示频度的词或短语）提问时用；how soon用来提问某人要“多快”能做好某事，或某事要“多快”能完成，对“过多少时间（就能……）”（in短语）提问时用，常用于将来时。
13. 征询对方的看法、意见或向对方提出建议、请求等。
如：How about Friday？星期五怎么样？How about going out for a walk？出去散散步好吗？I'm from Shanghai. How about you？我是上海人。
你呢？练习题：1. Our P.E teacher has been at this school since he came.（划线提问）______ ______ ______ our P.E teacher been at this school?2. She writes to her parents once a week.（划线提问）_______ ______ ______ she write to her parents?3. Li Ping spent twenty yuan on the dictionary.（划线提问）_____ ____ ____ Li Ping _____ on the dictionary?4. It'll take them three weeks to finish the work.（划线提问）______ ______ _______ it take them to finish the work?5. It's about two kilometers from here to the country.（划线提问）______ _____ _____ _____ from here to the country?6. Jane and her brother will finish the work in two hours. （划线提问）_____ _____ _____ Jane and her brother finish the work?7. ______ did he call you the day before yesterday?Twice.A. What timeB. How many timesC. How muchD. How long8. I've worked in that factory for two years. （划线提问）______ _____ _______ you worked in that factory?9. I paid fifty yuan for the sweater.______ ______ did you pay for the sweater?10. It is windy .__________________________________ 11. I am getting on well with it.__________________________________.12. ______ is a ticker for the film Hacker He?About forty yuan .A. How oldB. How manyC. How muchD. How often13. _____ tea did you have?Two cups.A. How manyB. How muchC. How soonD. Which14. ______ a year does your school have sports meetings?Twice a year.A. How oftenB. How soonC. How longD. How many times15. ______ will your father be back? .A How longB how oftenC How soonD How wide16.They will come back in a month．will they come back？17. I study English by asking the teacher for help.________________________________用how many, how, how much, how often, how long,how old 填空1.A:_____ _____ students are there in the classroom?B: There are 15 students in the classroom.2.A:_____ _____ do you take a bath?B: I take a bath twice a week.3.A:_____ _____have you been learning English?B: I have been learning English for 2 years.4.A:_____ _____stars are there in the sky?B: There are many stars in the sky.5.A:_____ are you? B: I am fine.6.A:_____ does your mother go to Beijing?B: My mother goes to Beijing by train.7.A:_____ _____ days are there in a week?B: There are seven days in a week. 8.A:_____ _____ is your bag?B: My bag is 50 dollars.9.A:_____ _____ is your grandma?B: My grandma is 60 years old.。