人教版八年级上册英语unit2单元知识整理

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1、Unit2Howoftendoyouexercise?一、核心短语helpwithhouseworkonweekendshowoftenhardlyeveronceaweektwiceamontheverydaybefreegotothemoviesusetheInternetswingdanceplaytennisstayuplateatleastgocampinghavedanceandpianolessonsgotobedearlyplaysportsbegoodfornot…atallinone’sfreetimethemostpopularsuchasoldhabitsd

2、iehardgotothedentistmornthanlessthanhelpsb.withsthHowabout…?wantsb.todosth.二、核心语法1.exercise（v/n）的用法(1)（动）:锻炼.如：Heexerciseseveryday.(2)(可数名词)：“...操;练习”.eg:domorning/eyeexercises;domathexercises(不可数名词):“锻炼;运动”讲：eg:Weoftendo/takeexerciseonweekends.2.--Howoftendoyouusuallygoshopping?—Sometimes/Twi

3、ceaweek.有时候/一周两次.(1)goshopping意为“去购物”。Go+v-ing:表示进行某项活动。如：Goswimming/shopping/skating/skiing/fishing/climbing/hiking(2)频率副词：always=allthetime,usually,often,sometimes=attimes,hardlyever,neveralways>usually>sometimes>seldom>hadlyever>never100%80%60%30%10%0%.sometimes:有时候；sometime：某时；sometimes：许多

4、次/倍;sometime:一段时间.hardly(adv):几乎不eg：Ihardlygotowalkafterhavinglunch.硬的；eg:Thestoneishard.hard困难的；严厉的；eg:Theyareahardteamtobeat.努力地；猛烈地,勤奋的eg:Youshouldstudyhard.(1)Thegroundistootodig(2)Icanunderstandthem.(3)It'sraining,thepeoplecangooutside..howoften表示“多久一次”，是对动作的频率进行提问。频率副词：always,usually,oft

5、en,sometimes,hardlyever,neverhowoften次数＋时间段:回答：onceortwiceaweek注意：表示“一次或两次”时，一般用once和twice表示。如：onceamonth(一个月一次)，而表示“三次或以上”时，则用“数词＋times”结构。如：fivetimesayear(一年五次)every＋时间段:everyday(每天)区别：everyday（每天的；日常的）(3) 由how构成的疑问词组的用法“多少”how many+可数名词复数eg:howmanyprogramshow much+不可数名词eg:howmuchcoffeeeg:Ho

6、w much are those pants?.howmanytimes:“多少次”.其答语表示次数。如：once,twice，threetimes等Howold...?询问年龄如：Howoldareyou?Iamfive.“howlong…?”多久(时间)常用fortwodays，forthreehours等回答。多长（某物的长度）如：---Howlongistheriver?--10kms.④.howsoon用来询问过多久，多久以后，其答语是intwohours，inthreedays等。eg:Howsoonwilhecomeback？Inanhour。3.“空闲的”：Arey

7、oufreetonight?free“自由的”：afreecountryfreedom(n)“免费的”：workforfree.full4.“满的；饱的”…befullof…:Thebottleisfullofwater.“忙的”=busyHehadafulllife5.Shesaysit’sgoodformyhealth.她说那对我的健康有益。(1）begoodfor：“对……有好处”。eg:Doingexerciseisgoodforourhealth.（2）be