人教版八年级上册英语第二单元知识点梳理Howoftendoyouexercise?【语言目标】●Whatdoyouusuallydoonweekends?Isometimesgotothebeach.●Howoftendoyoueatvegetables?Everyday.●Moststudentsdohomeworkeveryday.【重点词汇】●always,usually,often,sometimes,hardly,ever,never.●howoften,once,twice,threetimesaweek,everyday.【应掌握的词组】1.gotothemovies2.lookafter=takecareof4.healthylifestyle3.surftheinternet6.keephealthy=stayhealthy7.exercise=take(much)exercise=dosports8.eatinghabits9.takemoreexercise10.thesameas11.bedifferentfrom12.onceamonth13.twiceaweek14.makeadifferenceto15.howoften16.although=though17.mostofthestudents=moststudents18.shop=goshopping=dosomeshopping19.asfor20.activitysurvey21.dohomework22.dohousework23.eatlessmeat24.junkfood25.begoodfor26.bebadfor27.wanttodosth28.wantsbtodosth29.trytodosth30.comehomefromschool31.ofcourse=certainly=sure32.getgoodgrades33.someadvice34.hardly=notnearly/almostnot35.keep/beingoodhealth36.bestressedout37.takeavacation去度假48.Get【应掌握的句子】1.Howoftendoyouexercise?你(你们)多久锻炼一次身体。Howoften+助动词do(does或did)+主语+dosth.?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,often,quite,often,never,everyday,onceaweek,twiceamonth,threetimesamonth,threeorfourtimesamonth等。2.“Whatdoyouusuallydoonweekends?”“Iusuallyplaysoccer.”“周末你通常做什么?”“我通常踢足球。”第一个do为助动词,在这起帮助构成疑问的作用;而第二个do则是实义动词。翻译:Whatdoyouusuallydoonweekends?Ioftengotothemovies.Whatdoessheusuallydoonweekends?Shesometimesgohiking.3.“What’syourfavoriteprogram?”“It’sAnimalWorld.”=Whatprogramdoyoulikebest?“你最喜欢什么节目?”“动物世界。”4.Asforhomework,moststudentsdohomeworkeveryday.asfor...意思是“至于;关于”,常用于句首作状语,其后跟名词、代词或动词的-ing形式(即动名词)。如:Asforhim,Ineverwanttoseehimhere.至于他,我永远不希望在这里见到。Asforthestory,you'dbetternotbelieveit.关于那故事,你最好不要相信。翻译:至于我自己,我现在不想去。(Asformyself,Idon’twanttogonow.)至于那个人,我什么都不知道。(Asfortheman,Iknownothingabouthim.)5.Momwantsmetogetupat6:00andplayping-pongwithher.wanttodosth.意思是“想要做某事”;wantsb.todosth.意思是“想要某人做某事”。如:Doyouwanttogotothemovieswithme?你想和我一起去看电影吗?Theteacherdoesn'twantustoeathamburgers.老师不想让我们吃汉堡包。6.Shesaysit’sgoodformyhealth.begoodfor...表示“对……有益(有好处)”;其反义为:bebadfor...。(这里for是介词,后跟名词、代词或动名词)如:It'sgoodforustodomorereading.多读书对我们有好处。Readinginbedisbadforyoureyes.在床上读书对你的眼睛有害。7.Howmanyhoursdoyousleepeverynight?8.Iexerciseeveryday,usuallywhenIcomehomefromschool.9.Myeatinghabitsareprettygood.这里pretty相当于very。10.Itrytoeatalotofvegetables,usuallytentoeleventimesaweek.trytodosth.表示“尽力做某事”,不包含是否成功的意思而trydoingsth.表示“(用某一办法)试着去做某事”。如:You’dbettertrydoingtheexperimentinanotherway.你最好试试用另一种方法做这个试验。11.Myhealthylifestylehelpsmegetgoodgrades.helpsb.(to)dosth.帮助某人做某事12.Goodfoodandexercisehelpmetostudybetter.这里better是well的比较级,而不是good的比较级13.Isherlifestylethesameasyoursordifferent?=Isherlifestylethesameasyourlifestyleorisherifferentfrom…14.Whatsportsdoyouplay?15.Alotofvegetableshelpyoutokeepingoodhealth.keepingoodhealth=keephealthy=stayhealthy16.Youmusttrytoeatlessmeat.trytodosth.表示“尽力做某事”,不包含是否成功的意思,less是little的比较级thatsoundsinteresting.17.这是“主语+系动词+表语”结构的简单句。sound(听起来),look(看起来),smell