山西省大同市人教版八年级英语上册课件Unit-2-How-often-do-you-exercise

-版权所有教学任务1.完成二单元教学重难点的讲解(频率副词）2.完成二单元考试重点的讲解（共计27个）3.完成练习册习题的讲解4.完成一单元词汇笔记的听写-单元的单词、笔记检测-含义：表示次数、频率的副词。2.常见的频度副词按频率发生的高低依次为：alwaysusuallyoftensometimeshardlyevernever。3.表示具体的频率、次数时，一次once，两次twice，三次以上“基数词+times”。4.句中位置：实意动词之前，be动词、助动词、情态动词之后。eg:Wenevereatjunkfood.Lucyissometimesverybusy.5.对频度副词提问，用howoften。eg:-Howoftendoyouexercise?-Hardlyever.-版权所有考点讲解：1.Whatdoyouusuallydoonweekends?onweekends在周末,泛指每个周末ontheweekend在周末，在这个周末，特指某个周末（英国英语中用at）eg:Ihavepianolessonsonweekends.Iwillgoshoppingontheweekend.2.helpwithhouseworkhelpwithsth.帮助做某事helpsb.withsth.=helpsb.(to)dosth.帮助某人做某事eg:Mybrotheroftenhelpswithhouseworkathome.housework,不可数名词，“家务劳动，家务事”。-版权所有考点讲解：3、辨析sometimessometimesometimessometimesometimes,有时，频率副词，表示动作发生的不经常性，多与一般现在时连用，可位于句首、句中或句末。sometime,某个时候，副词，表示某个不确切或不具体的时间，常用于过去时或将来时，对它提问用when。sometimes,名词短语，几次，几倍。time是可数名词，对它提问用howmanytimes。sometime,名词短语，一段时间。句中谓语动词长为延续性动词。对其提问用Howlong。-版权所有考点讲解：eg:SometimesIgetupverylate.IwillgotoShanghaisometimenextweek.Ihavereadthestorysometimes.Iwillstayhereforsometime.4.hardlyever几乎从不本身具有否定意义，不能再使用其他否定词。相当于hardly,ever起强调作用。hardly,副词，几乎不（没有），相当于almostnot。almost,副词，几乎，差不多。置于实意动词前，系动词、助动词、情态动词后，不能放在句末。eg:Shehardlyevereatsanything.-版权所有考点讲解：5、-HowoftendoyouwatchTV?-Twiceaweek.1)howoften,多久一次,用来提问频率。eg:-Howoftendoyouplaysports?-Threetimesaweek.辨析：Howoften,多久一次，用来提问动作发生的频率。Howlong,多长，用来询问多长时间，也可询问某物有多长Howfar,多远，用来询问距离，指路程的远近。eg:HowlongdoesittaketogettoShanghaifromhere?Howfarisitfromheretothepark?2）twiceaweek一周两次-版权所有考点讲解：6、usetheInternet用互联网1）use,及物动词，“使用，运用”usesth.todosth.用某物做某事eg:Iuseaknifetocutbread.2)Internet,名词，互联网，因特网ontheInternet在因特网上7、What'syourfavoriteprogram?What’syourfavorite...?=What...doyoulikebest?你最喜欢的...是什么？eg:What'syourfavoriteanimal?=Whatanimaldoyoulikebest?-版权所有考点讲解：8、Howcome？怎么回事？表示某件事情很奇怪，有点想不通；可单独使用，也可引导问句相当于疑问词why。但howcome开头的特殊疑问句使用的仍是陈述语序。eg:Whydidn'tyoutellmeaboutit?=Howcomeyoudidn'ttellmeaboutit?-版权所有考点讲解：9、Igotothemoviesmaybeonceamonth.1)gotothemovies去看电影=gotothecinema=gotoamovie2)maybe副词，作状语，”或许，大概，可能“。maybe情态动词+be动词，可能是。eg:Maybeyouareright.Youmayberight.做题关键：看句子中是否有谓语动词。10、Heplaysatleasttwiceaweek.atleast至少反义短语：atmost最多-版权所有考点讲解：11、Shesaysit'sgoodformyhealth.1)begoodfor,对...有益”，反义词，bebadfor。eg:Eatingvegetablesisgoodforyourhealth.辨析：begoodat,擅长，后接名词，代词和动名词。eg:I'mgoodat(playing)basketball.begoodwith,“和...相处得好”。(你和你同班同学相处的好吗？）begoodto对……友好相当于befriendly/kindto…eg:Areyougoodwithchildren?2)health,不可数名词，健康。beingood/poor/badhealth形容词，healthy,健康的。behealthy/keephealthyeg:Theoldmanisveryhealthy.Weshouldeatmorevegetablestokeephealthy.-版权所有考点讲解：12、Lastmonthweaskedourstudentsabouttheirfreetimeactivities.ask:asksbaboutsth.问某人关于某事的情况asksb.todosth.要求某人做某事asksb.nottodosth.要求某人不要做某事eg:Iaskmyteacherabouttoday'shomework.Mymotherasksmetogohomeontimeeveryday.13、Herearetheresults.here位于句首，句子要倒装。1）完全倒装，主语为名词。eg:Hereisaletterforyou.2）部分倒装，主语为代词。eg:Hereitis.-版权所有考点讲解：14、Wefoundthatonlyfifteenpercentofourstudentsexerciseeveryday.1)“find+that从句”结构，从句用陈述句语序。eg:Ifoundthatthejobwasveryinteresting.2)percent,百分之...表达结构：基数词+percent(percent没有复数形式，作主语时，根据它所修饰的名词来判断谓语的单复数。）eg:Fortypercentofthestudentsinourclassaregirl.Thirtypercentoftimepassed.15、...Twentypercentdonotexerciseatall!not...atall,“一点儿也不；根本不”。eg:Idon'tknowaboutitatall.-版权所有考点讲解：对比：notatall,不客气“，相当于Youarewelcome.eg:-Thankyouforyourhelp.-Notatall.16、Theanswerstoourquestionsaboutwatchingtelevisionwerealsointeresting.theanswerstothequestions,这些问题的答案to,介词，“指向，对于，针对”。eg:thekeytothedoorCanyoufindouttheanswerstothequestions?17、Althoughmanystudentsliketowatchsports,gameshowsarethemostpopular.1)although,连词，“虽然，尽管”。-版权所有考点讲解：eg:Althoughmygrandpaisold,helooksverystrongandhealthy.注：but,表示“然而，但是”，但不能与although/though出现在同一个句子中。（because,so)eg:Shekeptonworkingalthoughshewastired.2)themostpopular是popular的最高级，“最受欢迎的”。17、ItisgoodtorelaxbyusingtheInternetorwatchinggameshows.butwethinkthebestwaytorelaxisthroughexercise.Itis+adj.(forsb.)todosth.（对某人来说）做某事是......的。eg:Itisveryimportanttolistencarefullyinclass.-版权所有考点讲解：18、Exercisesuchasplayingsportsisfun,andyoucanspendtimewithyourfriendsandfamilyasyouplaytogether.1)suchas,比如；诸如。用来列举人或事物。2)spend,及物动词，“度过”，“花费（时间、金钱等）”。spend..on..在某方面花费时间或金钱spend..(in)doingsth.花费金钱或时间做某事eg:Hedidn'tspendmuchtimeonhishomework.Healwaysspendshistimeplayingsoccer.19、oldhabitsdiehard积习难改die,及物动词，也可作不及物动词。“死亡，消失”。dead,形容词，死亡的。death，名词，死亡。eg:Hediedthreeyearsago.-版权所有考点讲解：19、SheusuallywatchesTVformorethantwohoursaday...morethan,超过；多于；不仅仅。相当于over。反义短语：lessthan,不到，少于。eg:Hesleepslessthansevenhourseverynight.20、Shesayssheisafraid.afraid,形容词，“担心的，害怕的”。1)beafraidtodosth./beafraidofdoingsth.害怕做某事eg:I'mafraidtotravelbyplane.Don'tbeafraidofaskingquesti