英语人教版八年级上册课件一.ppt

Unit2Howoftendoyouexercise?,SectionA1a-2d,1a.Lookatthepicture.Makealistoftheweekendactivities.,1._2._3._4._5._,helpwithhousework,read,exercise,watchTV,goshopping,1bListenandwritethelettersfromthepictureaboveonthelinesbelow.always(100%)_usually_often_sometimes_hardlyever_never(0%)_,exercise,read,helpwithhomework,watchTV,goshopping,watchTV,goshopping,always,usually,often,sometimes,hardlyever,never,从不,从未,很少,几乎不,有时,经常,常常,通常,一般,总是,100%,0%,1cTalkaboutthepeopleinthepictureabove.Whatdotheydoonweekends?,A:Whatdoeshedoonweekends?B:HeusuallywatchesTV.A:Doeshegoshopping?B:No,henevergoesshopping.,2aListenandNumbertheactivitiesyouhear.,Activitiesa.gotothemoviesb.1watchTVc.shopd.exercisee.red,2,3,4,5,Howofteneverydayonceaweektwiceaweekthreetimesaweekonceamonthtwiceamonth,2cHowoftendoyoudotheseactivities?Fillinthechartandthenmakeconversations.,本课时我们学习的主要语法点是由wh-和how引导的特殊疑问句以及对应的答语。如:Whatdo/does?Howoftendo/does?等。Whatdoyouusuallydoonweekends?你通常周末做什么？Iusuallylistentomusic.我通常听音乐。,Howoftendoyougotothefactory?你多久去一次工厂？Igotothefactorytwiceaweek.我两周去一次。Howoftendoyouexercise?你（你们）多久锻炼一次身体？Howoften+助动词do(does或did)+主语+dosth.?,Sun.MonTues.Wed.Thurs.Fri.Sat.,read,read,read,read,read,read,read,Ilikereading.,Shereadsbookseveryday.,Shealways(总是)readsbooks.,疑问词howoften是问频率(多久一次),（在这里助动词do(does或did)是起帮助构成疑问的作用）与一般现在时或一般过去时连用,回答一般是用表示频率的副词。如：once,twice,threetimes,sometimes,quite,often,never,everyday,onceaweek,twiceamonth,threetimesamonth,threeorfourtimesamonth等。,Sun.Mon.Tues.Wed.Thurs.Fri.Sat.,TV,TV,TV,TV,Heoften(常常)watchesTV.,HewatchesTVfourtimesaweek.,IlikewatchingTV.,Ilikedoingexercise.,Sun.Mon.Tues.Wed.Thurs.Fri.Sat.,do,do,Hesometimes(有时)doesexercise.,Hedoesexercisetwice(两次)aweek.,Sun.Mon.Tues.Wed.Thurs.Fri.Sat.,Idontlikeswimming.Ilikeeating.,Henever(从不)goesswimming.,Healwayseats.,2dRole-playtheconversation.,Jack:Hi,Claire,areyoufreenextweek?Claire:Hmmnextweekisquitefullforme,Jack.Jack:Really?Howcome?Claire:Ihavedanceandpianolessons.Jack:whatkindofdanceareyoulearning?Claire:Oh,swingdance.Itsfun!Ihaveclassonceaweek,everyMonday.Jack:Howoftendoyouhavepianolessons?Claire:Twiceaweek,onWednesdayandFriday.Jack:Well,howaboutTuesday?Claire:Oh,Ihavetoplaytenniswithmyfriends.Butdoyouwanttocome?Jack:Sure!,1.exerciseexercisev.锻炼；exercisen.U运动;C练习如:Letsdoourexercises.让我们做练习吧。Walkingisagoodexercise.散步是很好的运动。,Languagepoints,2.threetimesaweek,time次数timeandtimeagain千万次的threeorfourtimesaweek一周三四次表示一周/月/年多少次,可以用.timesaweek/month/year，注意有两个词有单独的表示法，“一次”用“once”,“两次”用“twice”。,sometimes与几个形似的词的区别a.sometime是副词,“在某个时候”,“某时”Willyoucomeagainsometimenextweek?Shewastheresometimelastyear.b.sometime是名词词组,意为“一段时间”，做时间状语用。Iwillstayhereforsometime.Heworkedonthetroubleforsometime.,c.sometimes是名词词组,意为“几次,几倍”。Imethimsometimesinthestreetlastmonth.Thefactoryissometimeslargerthanthatone.,.Howcome?为什么呢？这是英语中的一个口语，相当于汉语的“为什么”、“怎么会”等，既可以独立使用，也可在后接句子，来询问事情的缘由或状况。例如：Howcometheskyisbluetoday?今天天怎么会这么蓝？A：Ididnteveneatlunchtoday.我今天甚至没吃午饭。B:Really?Howcome?是吗？怎么会呢？,练习：补全单词,1.-Whatdoyouusuallydoonw_?-IoftenwatchTV.2.-Howoftendoessheshop?-O_ort_aweek.3.Grandpaisprettyhealthybecausehee_everyday.4.AnimalWorldismyfavoriteTVp_.,eekends,nce,wice,xercises,rogrammes,5.Theweatherhereissocold,Icanh_standit.6.Thesetwopictureshaveno_(区别).7._(虽然)Mr.Whiteisveryold,hegoestoworkeveryday.8.Doyouhavea_(健