Unit2 How often do you exercise?一、短语归纳help with housework帮助做家务 on weekends在周末 how often多久一次 hardly ever几乎从不 once a week每周一次 twice a month每月两次 every day每天 be free有空 go to the movies去看电影 use the Internet用互联网 swing dance摇摆舞 play tennis打网球 stay up late熬夜；睡得很晚 at least至少 have dance and piano lessons上舞蹈课和钢琴课 go to bed early早点睡觉 play sports进行体育活动 be good for对有好处 go camping去野营 notat all一点儿也不 in ones free time在某人的业余时间 fifteen percent of the students 百分之十五的学生 the most popular最受欢迎的 such as比如；诸如 old habits die hard积习难改 go to the dentist去看牙医morn than多于；超过 less than少于 help sb. with sth.帮助某人做某事 How about? .怎么样？/ 好不好？ want sb. to do sth.想让某人做某事 How many+可数名词复数+一般疑问句？ 有多少?主语+find+that从句. 发现 spend time with sb.和某人一起度过时光Its+ adj.+ to do sth. 做某事的的。 ask sb. about sth.向某人询问某事by doing sth. 通过做某事 Whats your favorite?你最喜爱的是什么？the best way to do sth.做某事的最好方式二、语法讲解1. exercise （v/n）的用法1）（动）:锻炼. 如： He exercises every day.2) (可数名词)：“.操;练习”. 如：do morning/ eye exercises; do math exercises(不可数名词):“锻炼;运动”讲：如： We often do / take exercise on weekends.练习：1、Theoldmanisverywellbecauseheoften_. A.drinksB.exercisesC.sleepsD.plays2. -How often do you usually go shopping? Sometimes/Twice a week. 有时候/一周两次.1) go shopping 意为“去购物”。 Go+ v- ing : 表示进行某项活动。如：Go swimming/ shopping/skating/skiing/fishing/climbing/hiking2)频率副词：always=all the time,usually, often, sometimes=at times,hardly ever, never它们用来表示动作发生的频率，频度副词放在be动词、情态动词和助动词之后，实义动词之前，在程度上有所区别，频率由高到低依次是：always usually sometimes seldom hadly ever never 100% 80% 60% 30% 10% 0% (1).sometimes: 有时候；sometime：某时；some times：许多次/倍; some time: 一段时间(2). hardly(adv): 几乎不 hard 硬的；eg: The stone is hard.困难的；严厉的；勤奋的 a hard writer 努力地； 猛烈地 study/rain hard练习 1、 The ground is too to dig 2、I can understand them. 3、Its raining ,the people can go outside. 4、Howwastheweatheryesterday?Itrained_.Peoplecould_goout. A.hardly;hardB.hardhardC.hardly;hardlyD.hardhardly3）how often表示“多久一次”，是对动作的频率进行提问。频率副词： always, usually, often, sometimes, hardly ever, neverhow often 次数时间段: 如：once or twice a weekevery 时间段: every day (每天) 区别：everyday（每天的；日常的）注意：表示“一次或两次”时，一般用once和twice表示。如：once a month(一个月一次)而表示“三次或以上”时，则用“数词times”结构。如：five times a year (一年五次)4）由how构成的疑问词组的用法 “多少” howmany+ 可数名词复数 如：how many programshowmuch+不可数名词 如：how much coffee但how much=whats the price of.? 还有“多少钱”的意思 如：Howmucharethosepants? how many times: “多少次”. 其答语表示次数。如：once ,twice，three times等 How old.? 询问年龄 如：How old are you? I am five. how long 多久(时间) 常用 for two days，for three hours等回答。 多长（某物的长度） 如：-How long is the river? - 10 kms. how soon 用来询问过多久，多久以后，其答语是in two hours，in three days等。 如：How soon wil he come back？ In an hour。练习：1、 -_ is it from your home to school? -Three miles. A. How far B. How much C. How soon D. How long2、_do they play basketball?Every day.AHow soon BHow much CHow many DHow often3、_ do you do your homework? - Every day.A.When B. How often C. How many times D. What time4、I visit my grandparents _a month.A. two times B. second time C. the second time D. twice5、_ milk do you drink?A. How many B. How much C. How often D. How soon6、He_goestothemovies. A.sometimeB.sometimeC.sometimesD.sometimes7、Howoftendoyoudance?Idance_aweek. A.onceandtwicetimes B.twoandthreetimes C.oneortwoD.onceortwice3. free 1) “空闲的”：Are you free tonight? 2)be free “自由的”： a free country freedom(n) 3)“免费的”： work for free. 4.full 1) “满的；饱的” be full of : The bottle is full of water. 瓶子里装满了水。2) “忙的”=busy He had a full life5.She says its good for my health. 她说那对我的健康有益。(1）be good for：“对有好处”。 如：Doing exercise is good for our health.（2）be good at：“擅长于” 如：He is good at playing football.(3) be good to sb./sth: “对好” 如：The old woman is good to us.(4) be good to do sth.: “适合；宜于” 如：The water is good to drink. (5) be good with: “与相处好” 如： The teacher is good with his students.练习：1、Eating fruit and vegetables _ our health. A. is good to B. is good C. is good for D. is well for6go online = use the Internet ：上网 练习 1、WhatdoesMarydoonweekends?Sheusually_theInternetathome. A,use