八年级下unit3单元复习

Unit3Couldyoupleasecleanyourroom?一重点短语1.gooutfordinner出去吃饭2.stayoutlate在外面待到很晚3.gotothemovies去看电影4.getaride搭车5.workon从事6.finishdoingsth.完成做某事7.cleanandtidy干净整洁8.dothedishes洗餐具9.takeouttherubbish倒垃圾10.foldyour/theclothes叠衣服11.sweepthefloor扫地12.makeyour/thebed整理床铺13.cleanthelivingroom打扫客厅14.noproblem没问题15.welcomesb.欢迎某人16.comehomefromschool/work放学/下班回家17.throwdown扔下18.comeover过来19.takesb.forawalk带某人去散步20.allthetime一直;总是21.shoutback大声回应22.walkaway走开23.insurprise惊讶地24.hangout闲逛25.passsb.sth.把某物传给某人26.lendsb.sth.把某物借给某人27.getsth.wet使某物弄湿28.hatetodosth.讨厌做某事29.dependon依赖;依靠30.helpsb.(to)do/withsth帮助某人干某事31.invitesb.toaparty邀请某人参加聚会32.makesb.dosth.使某人做某事33.inorderto为了34.developchildren’sindependence发展孩子的独立性35.getgoodgrades取得好成绩36.minddoingsth.介意做某事37.doone’spartin(doing)sth.做某人分内的事38.lookafter/takecareof照顾；照看二、知识点1.Couldyoupleasedosth?请你（做）......好吗？用于提出请求，希望得到对方的肯定回答，说话的语气比较客气委婉。Could不是can的过去式，是委婉、礼貌的说法。回答用can.【常用答语】肯定回答：Sure./Ofcourse./Certainly./Noproblem.否定回答：Sorry,Ican’t2.takeout取出（v+adv）【注】:跟代词做宾语，代词放中间；跟名词做宾语，可放在中间，也可放在后边【短语】takeoutthetrash倒垃圾takeawalk散步takeaway拿走，取走takeback收回takeplace发生takeoff脱下；起飞Thegiftisinthebox.Youcantakeitout.3.dothedishes洗碗dothe+名词：dothedishes/laundry洗餐具/衣服dothe+动词-ingdothecleaning打扫卫生doone’s+名词doone’shousework/homework做家务/家庭作业dosome+动词-ingdosomereading/shopping读写书/购物4.atleast至少，多指数量或程度上的最低限度。(反)atmost至少，不超过Nowallofusexerciseatleastanhouradayandoutsideschool.5.finishv结束；完成finishdoingsth做完某事—Canyoufinish__reading__thesebooksbefore10o'clock?—Yes,Ican.6.twohoursofTV表示时间、距离、金额、度量等词语作主语时，通常被视作整体，谓语动词用单数形式。Howtimeisflies!Threeyears_______(be)reallyashorttime.7.enough表示足够的，充分的（在句中作定语或表语）eg：Theriverisdeepenoughforswimming.【记】Mr.Smithhasenoughmoney,butheisn’tkindenoughtohelpothers.【注意】enough修饰名词时，置于名词前；修饰形容词时，置于形容词之后。8.【解析】takeout拿出；取出take的用法：Pleasetakesomebookstotheclassroom.Takethismedicinethreetimesaday.Ittakesmetwohourstodomyhomeworkeveryday.9.theminute=assoonas“一......就......”Pleasewritetometheminuteyougetthere.10.infrontof指在物体外部的前面Thereisabikeinfrontoftheclassroom.inthefrontof指在物体内部的前面Ourteacherisstandinginthefrontoftheclassroom【记】Thedriversat________________thecar.Thepolicemanstood___________thecar.【注意】有the无the区别大：attable吃饭；进餐inhospital住院atthetabel在桌边inthehospital在医院（不一定看病）11.comeover过来【拓展】come短语：comeacross（偶然）发现comeback回来comeupwith想出cometrue实现comedown下来comefrom=befrom来自,出生于comein/into进入,进来comeon赶快,加油comealong走吧,过来,快点comeandgo来来去去comeup上来comeout出来，(花)开，(照片)冲洗出来12.allthetime=always一直；总是【拓展】与time相关的短语：ontime按时intime及时atthesametime同时attimes有时lasttime上次nexttime下次fromtimetotime偶尔thefirsttime第一次timeandtimeagain一再；经常13.as...as...和......一样......【注】比较级倍数表达句型为：倍数+as+形容词、副词原级+as+比较对象14.neither+助动词/系动词/情态动词+主语“某人（主语）也不”⑴neither两者都不neither…nor…既不…也不…,连接两个词做主语，谓语动词由后一个主语确定NeitherTomnorJimisastudent⑵表达“…也不……”则用“Neither/Nor+be/V助/V情+主”15.find+宾语+宾语补足语【注】find→found→foundv寻找(1)findsb.doingsth发现某人做某事(2)findit+adj.+todosth发现做某事很……◆finditdifficult/hardtodosth发现做某事很困难16.insurprise惊奇地；吃惊地surprisev使吃惊→surprisingadj.令人吃惊的→surprisedadj.吃惊的toone’ssurprise使某人吃惊的是insurprise吃惊地besurprisedat对……感到吃惊17.need(1)v需要用于肯定句，是实义动词。人做主语，sb.needtodosth某人需要做某事物做主语，sthneeddoingsth=sthneedtobedone①Studentsneed___tohave_______(have)agoodrestinstudying.②Thewatchneeds__mending___(mend).(2)用于否定句或疑问句，是情态动词needn’t=don’thaveto没有必要need,must引导的一般疑问句，肯定会的用must,否定回答用needn’t—MustIgotherenow?—Yes，youmust/No,youneedn’t18.sharesth分享或共用某物sharesthwithsb.与某人分享某物19.hangout闲逛hangup把......悬挂/挂起20.pass⑴v给；递；走过；通过passsb.sth把某物递给某人Passon传递Pleasepassthepaperontotheotherstudents.⑵v通过；路过Ipassyourhome.⑶v通过（考试）；及格Tomcanpasshismathexam.21.borrowCouldyoulendmesomemoney?你能借我一些钱吗？【解析】borrow/lend/keep(1)borrow借入,与from连用，尤指主语“【借进来”】borrowsthfromsb.从某人那里借某物Youcanborrowthebookfromthelibrary.(2)lend借出,与to搭配【指借出去】lendsbsth=lendsthtosb把某物借给某人Hedoesn’twanttolendhisbooktoothers.(3)keep保留，保存（延续动词，可以与表示一段时间的状语连用）【指借一段时间】【记】Iwantto__________abikefrommyfriendbuthedidn’t____ittome,BecauseTomhad_____itfortwodays.22.try(not)todosth努力（不）做某事。tryv试图，设法，努力【拓展】(1)tryon试穿(2)trytodosth努力做某事【侧重尽力做】(3)trydoingsth试图做某事【侧重尝试做】(4)tryone’sbesttodosth=doone’sbesttodosth尽某人最大努力做某事23.hatetodosth讨厌做某事,表示某次具体行为或动作。hatedoingsth不愿意做某事表示经常或习惯性行为或动作。Shehatessmokinginherroom.Ihatetotroublehim.24.asksb.todosth要求某人做某事。askfor请求，要某物asksb.aboutsth向某人询问关于某事(1)asksb.forhelp向某人请求帮助(2)asksb.(not)todosth请求某人做某事ask构成的短语：短语含义asksb.todosth请某人做某事asksb.nottodosth不让某人做某事asksbforsth向某人要某物askforhelp寻求帮助25.helpv帮助→helpfuladj.有帮助的(1)helpsb.dosth.=helpsb.withsth.帮助某人做某事(2)withthehelpofsb.=withone’shelp在某人的帮助之下(3)withoutthehelpof没有在…的帮助之下26.invitev→invitationn邀请(1)invitesb.todosth邀请某人做某事(2)invitesb.to+地点邀请某人去某地（3）invitesb.toSp.邀请某人去某地Youshouldrefusehis__________(invite).Heisreallyfriendly.①Weinvitedhim_______(join)ustopracticespeakingEnglish.②Heinvitedalotoffriends_________(come)tohisbirthdayparty.27.makesb.dosth让某人做某事make→made→madev.做，制作，使得(1)makesb/sth+形容词“让某人或某物…”makeyouhappy(2)makesb/sthdosth使某人做某事makemelaugh.【make短语】:makesure确信makeadialogue编对话maketea沏茶makemoney赚钱makeadecision作出决定makeamistake犯错误(bymistake由于疏忽)makeanois