Unit2How-often-do-you-exercise知识讲解及练习

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1、•、重点短语helpwithhousework帮助做家务hardlyever儿乎从不befree有空swingdance摇摆舞gotobedearly早点睡觉gocamping去野营themostpopular最受欢迎的gotothedentist去看牙医atleast至少二、句型荟萃helpsb.withsth.帮助某人做某事wantsb.todosth.想让某人做某事主+find+that从句发现It's+adj.+todosth.做某事是的。onweekends在周末onceaweek毎周一次gotothemovies去看电影playte

2、nnis打网球playsports进行体育活动not...atall一点儿也不....suchas比如；诸如morethan多于；超过howoften多久一次twiceamonth每月两次usetheInternet用互联网stayuplate熬夜；睡得很晚begoodfor对有好处inone'sfreetime在某人的业余时间oldhabitsdiehard枳习难改lessthan少于bydoingsth.通过做某事thebestwaytodosth.做某事的最好方式三、单元语法havedanceandpianolessons上舞蹈课和钢琴课

3、Howabout...?怎么样？/好不好？Howmany+可数名词复数+-•般疑问句？...有多少…?spendtimewithsb.和某人一起度过时光asksb.aboutsth.向某人询问某事What'syourfavorite?你最喜爱的…是什么？频度副词1.频度副词：表示动作发牛.间隔（既频率）的I制词。它们冇：always;usually;often;sometimes;seldom:hardlyever;never等。2.howoften意为“多久一次”，用來提问在某一段时间内进行某个动作的频率。其回答通常是often>someti

4、mesnever>hardlyever>always>onceaday>onceaweek等等表示频率的副词或是短语。例：…ShehardlyeverwatchesTV.（划线提问）…HowoftendoesshewatchTV?例句理解：1.--Whatdoyouusuallydoonweekends?—Ioftengotothemovies.2.-—Howoftendoyoushop?—Ishoponceaweek・3.频度別词：表示频率不确定[r都用howoften进行提问频率短语表示频率确定J表示确定的频率短语onceaweek每周一次

5、everyday/week/month/year每天/周/刀/年twiceaweek每周两次twiceamonth一月两次threetimesaday—天三次注：三次或三次以上一般用“基数词+times”表示。（3）在句中位置：频度副词在句中通常放在be动词.助动词.情态动词之辰，在实义动词之迪1。例:Sheisoftenlateforschool.Healwayshelpsme.课堂巩固练习：一、对划线部分提问1)Healwaysplaysbasketballafterschool.doeshealwaysafterschool?2)They

6、hardlyeverplayfootball.theyplayfootball?二、单项选择D・did)1.■一HowoftenA.dosheexercise?B.does——Twiceaweek.C.doing)2.1_A.notliketodrinkmilk.B.doesn'tC.don'tD.no()3.--doyougoswimming?A.HowoftenB.Howlong()4.KatrinawatchesTVonceweek.A.aB.the知识扩展：——Sometimes.C.howmanyD.HowoldC.anD.l.ho

7、wlong.多久（用来提问有多长时间）回答通常是morethantwoweeks、foraweek>tenyears等表示•段时间的状语。例：一HowlongdidyoustudyEnglishinChina?——Forthreeweeks.2.howsoonJ4J來提问“需要多长时间才会J指某一动作要多长时间以后才能完成或发生。回答通常是％+—段时间例：一Howsoonwillyoucomeback?——Inaweek.【活学活用】丿］Jhowfanhowoften,howlong填空。1)doessheusuallyexercise?1)i

8、sitfromyourhometotheschool?3）haveyoubeenawayfrom（离开）yourhometown?1.【区别】Howo