八年级英语上册Unit2Howoftendoyouexercise短语语法知识点汇总新版人教新目标

Unit2Howoftendoyouexercise一、必背短语。1.去看电影gotothemovies2.多久一次howoften3.几乎从不hardlyever4.在周末ontheweekend/onweekends5.一周一次onceaweek6.一周两次twiceaweek7.一个月三次threetimesamonth8.使用互联网usetheinternet9.充满befullof10.上钢琴课havepianolessons11.不得不做某事havetodosth.12.帮助做家务helpwithhousework13.最少atleast14.至多atmost15.保持健康keephealthy/keepingood16.的结果theresultofhealth17.百分之二十twentypercent18.对有利begoodfor19.对有害bebadfor20.垃圾食品junkfood21.多少个小时howmanyhours22.做运动play/dosports23.在某人安闲时间inone’sfreetime24.根本不；一点也不notatall25.咨询对于askabout26.熬夜stayuplate27.一个16岁的男孩a16-year-oldboy28.超出、多于morethan29.少于lessthan30.放松的最好方式thebestwaytorelax【教材内容解析】SectionA1.Whatdoyouusuallydoonweekends?(P.9)onweekends意为“在周末”，泛指每个周末，ontheweekend则表示“在这个周末”，特指某个周末；在英式英语中，在周末也可以用attheweekend或许atweekends。Ilikegoingfishingonweekends.Hewantstodosomethingspecialontheweekend.2.helpwithhomework(P.9)help表示“帮助”时，常用的句型为：helpsb.withsth.帮助某人某事；helpsb.(to)dosth.帮助某人做某事。Canyouhelpmewithmyhomework?Heoftenhelpshismothercleandohousework.sometimes(P.9)sometimes是频度副词，意为“有时”，相当于attimes。Isometimesplaycomputergamesonweekends.【拓展】辨析sometimes,sometimes,sometimesometimes有时sometimes几次、几倍sometime某时sometime一段时间

与sometimeSometimeshehadlunchatschool.I’vebeentothemuseumsometimes.IwillvisitDamingsometimethissummervacation.Shehaslivedhereforsometime.4.hardlyever(P.9)hardly作副词，表示“几乎不”；hard用作副词表示“努力地、强烈地”，作形容词表示“硬的、困难的”。Hehardlyworks.Heworkshard.Thisisahardwork.5.HowoftendoyouwatchTV?(P.9)howoften意为“多久一次”用来发问频次，常用表示频次的副词或许短语往返答，如twiceaweek,sometimes,everyday,always等。-Howoftendoyouplaysports?-Threetimesaweek.【拓展】辨析howlong,howsoon和howoften---Howlongdidyoustaythere?howlong“多长时间”，发问for和since引出的时间状语---Forabouttwoweeks.howsoon“多久”发问“in+一段时间”---Howsoonwilltheycomeback?---Intwoweeks.howoften“多久一次”，发问动作发生的频次---Howoftendoyougohome?---Onceaweek.---Howfarisitfromyourhometohowfar“多远”，发问距离的远近school?---Threekilometres.6.usetheInternet(P.10)Internet作名词，表示“互联网、因特网”，常用的短语为：ontheInternet“在互联网上”；surftheInternet“上网”。YoucanfindmuchusefulinformationontheInternet.MostofthestudentslikesurfingtheInternet.7.Hi,Claire,areyoufreenextweek?(P.10)free作形容词表示“安闲的、有空的”，befree相当于havetime。Iwillbefreenextweek.=Iwillhavetimenexttime.【拓展】free作形容词，还可以表示“免费的、自由的”，befreetodosth.“自由地做某事”。Theticketsarefree.Youarefreetocomeandgo.Howcome?(P.10)Howcome意为“为何呢、怎么回事”，用于咨询某事为何会发生，可以独自使用也可以后接陈述句。Howcomeyoudidn’twaitformeforawhile?9.Well,howaboutTuesday?(P.10)Howabout相当于whatabout意为“怎么样”，用来征采对方建议或许咨询状况，后接名词或许动名词。It’ssunnytoday.How/Whataboutplayingtennis?10.Oh,Ihavetoplaytenniswithmyfriends.(P.10)haveto表示“不得不、一定”，重申客观需求；must重视主观上自己以为有必需做某事。Itisgettingdark.Ihavetogohomenow.Wemustcareforourparents.11.Igotothemoviesonceamonth.(P.11)maybemaybe作副词，表示“可能、或许”，经常放在句首，可以与maybe互相变换。Maybeheisaforeigner.=Hemaybeaforeigner.12.Howoftendotheystayuplate?(P.11)stayup意为“熬夜”，表示“为熬夜”时，用“stayupforsth.”。Itisabadhabittostayuplate.13.Heplaysatleasttwiceaweek.(P.11)atleast表示“最少”，反义词为atmost“最多”。Thereareatleast10,000studentsinourschool.Hecancarrythreeboxesatmost.SectionB1.Shesaysit’sgoodformyhealth.(P.12)(1)begoodfor意为“对有利”，反义词是bebadfor“对有害”。Doingsportsisgoodforyou.(2)health是不行数名词，意为“健康”，ingoodhealth表示“很健康”，形容词为healthy，副词是healthily。Tokeephealthy,youshouldeathealthily.2.Lastmonthweaskedourstudentsabouttheirfreetimeactivities.(P.13)asksb.aboutsth.意为“咨询某人某事”。SomeoneisaskingLucyaboutthewonderfulbuilding.3.Herearetheresults.(P.13)here和there置于句首，谓语动词是be动词或许come,go等不及物动词时，主语为名词时，用倒装构造，即主谓调动地点，若主语是代词时，主谓不倒装。Herecomesthebus.Therehegoes.4.Wefoundthatonlyfifteenpercentofourstudentsexerciseeveryday.(P.13)percent表示“百分之”，常用“基数词+percent+of+名词”，“percentof+名词”作主语时，谓语动词的单复数取决于名词的单复数。Seventypercentoftheboyslikeplayingcomputergames.Ninetyoftheworkisfinished.5.Andtwentypercentdonotexerciseatall!(P.13)not...atall意为“一点儿也不、根本不”；notatall表示“没关系、不用谢”。Idon’tknowaboutitatall.---Thankyouverymuch.---Notatall.6.Weallknowthatmanystudentsoftengoonline...(P.13)此处online用作副词，表示“在线、联网”，也可以用作形容词，意为“在线的、联网的”。Manypeoplelikebuyingthingsonline.7.Theanswerstoourquestionsaboutwatchingtelevisionwerealsointeresting.(P.13)名词answer后常跟介词to，表示“的答案”，近似的名词还有key，solution，ticket。Youranswertothequestionisright.8.Althoughmanystudentsliketowatchsports,gameshowsarethemostpopular.(P.13)although用作连词，表示“固然、即便”，相当于though，用来指引退步状语从句。在英语中，although/though和but不可以同时出现。Althoughitrainedheavily,theboysplayedoutside.=Itrainedheavily,buttheboysplayedoutside.9.ItisgoodtorelaxbyusingtheInternetorwatchinggameshows,butwethinkthebestwaytorelaxisthroughexercise.(P.13)by可以用来表示方式，意为“经过”，后接名词或许动名词短语。Heusuallygoestoworkbybus.Themanmakesalivingbysellingnewspapers.(2)way表示“方法”时，后常接动词不定式或许ofdoing作定语。Canyouthinkoutawaytoopenthedoor/ofopeningthedoor?10.Exercisesuchasplayingsportsisfun,andyoucanspendtimewithyourfriendsandfamilyasyouplaytogether.(P.13)suchas一般用于列举同一类人或物中的一个例子，但一定数目少于前面所说起的总数，只好放在所列举的名词前；forexample一般用于列举一个例子，后边经常加上一个句子，地点很灵巧，可位于句首、句中，于被列举的案例之间用逗号分开。Ilikefruit;forexample,Iofteneatbananasintheevening.Heknowsseverallanguages,suchasEnglishandChinese.(2)sb.spend+时间/金钱+onsth.“在某事上花销多长时间也好多少钱”；sb.spend+时间+(in)doingsth.“花销多长时间做某事”Themanspentthewholedayonhisspeech.Thefamilyspent10,000dollarsontheirtrip.Theboyhasspenttwohoursplayingthecomputergames.【拓展】辨析spend,pay,take和costspend主语是人spend...onsth./spend...(in)doingsth.pay主语是人payforsth./pay+金钱.forsth.take主语是itIttakessb.+时间+todosth.11.Janeisa16-year-old

cost主语是物sth.costssb.+金钱16-year-oldhighschoolstudentintheUnitedStates.(P.15)意为“16岁的”，此中的名词用单数形式，在句中作定语，16yearsold

表示“16

岁”，在句中作表语。LiBoisaseven-yearoldboy.=LiBoissevenyearsold.12.However,shehassomebadhabits,too.(P.15)however作副词，表示“可是、可是”，常位于句首，后边经常跟有逗号分开。(2)also,too,aswell与either都可以表示“也”，可是用法不同样。also放在句中行为动词前，be动词、助动词和神态动词今后。Healsowantstogo.too用于一定句中，放在句尾，前面用逗号分开。Hewantstogo,either.aswell用于一定句中，放在句尾，前面不用逗号分开。Hewantstogoaswell.either用于否认句句末。Hedoesn’twanttogo13.Shesayssheisafraid.(P.15)

eitherbeafraidof意为“惧怕、不敢”，后接名词、代词或许动名词。Sheisafraidofsnakes.Iwasafraidofgoingthroughthewoods.[拓展]1.beafraidtodosth.意为“胆怯不敢做某事”。Hewasafraidtogooutatnight.2.beafraidthat...意为“担忧、惧怕”。Hewasafraidthathewouldlose.3.I’mafraid表示“惟恐”。-Canwegothereontime?-Iamafraidnot.14.(P.16)Nonenone表示“没有一个（人或物）”，是all“全部的人