新版八年级英语下册第三单元知识点归纳Word文件下载.docx

1、【结构3】doones+名词dooneshouseor/hoeor做家务/家庭作业【结构4】dosoe+动词-ingdosoereading/shopping读写书/购物couldIatleastfinishatchingthissho?至少让我看完这个节目可以吗？】couldIdoasth?我可以做.吗？用于表达请求，语气比较委婉。couldIgooutithyclassatethiseeend?】atleast至少，多指数量或程度上的最低限度。atost至少，不超过Noallofusexerciseatleastanhouradayandoutsideschool.】finishv结束；完

2、成finishdoingsth做完某事canyoufinish_reading_theseboosbefore10ocloc?yes,Ican.IthintohoursofTVisenoughforyou!我觉得你看两个小时的电视已经足够了。】tohoursofTV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。Hotieisflies!Threeyears_is_reallyashorttie.足够的，充分的【解析2】enoughIdonthaveenoughoneyithe.足够；充分Theriverisdeepenoughforsiing.【记】r.Sith

3、hasenoughoney,butheisntindenoughtohelpothers.【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。couldyoutaeouttherubbish,foldtheclothesanddothedishes?你能把垃圾倒了。把衣服叠好，再把碗洗了吗？【解析】taeout拿出；取出tae的用法：Pleasetaesoeboostotheclassroo.Taethisedicinethreetiesaday.taeTheyusuallytaethebustoor.Ittaesetohourstodoyhoeoreveryday.【拓

4、展】tae构成的短语：taeaal去散步taearest休息taecareof照顾taeoff脱下；起飞taeup占据taedon拿下taeonestie不急；慢慢来taeonesteperature量体温TheinuteIsatdoninfrontoftheTV,yocaeover.我刚坐在电视机前面，我妈妈就过来了。【解析1】theinute=assoonas“一.就.”Pleaseritetoetheinuteyougetthere.【解析2】infrontof指在物体外部的前面Thereisabieinfrontoftheclassroo.【辨析】指在物体内部的前面ourteacher

5、isstandinginthefrontoftheclassroo【记】Thedriversat_inthefrontof_thecar.Thepoliceanstood_infrontof_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【解析3】eover过【拓展】e短语：eacross发现ebac回来eupith想出etrue实现edon下来efro=befro来自,出生于ein/into进入,进来eon赶快,加油ealong走吧,过来,快点eandgo来来去去eup上来eout出来，

6、开，冲洗出youatchTVallthetieandneverhelpoutaroundthehouse!你总是看电视，从不帮忙做家务！allthetie=alays一直；总是Ijustastiredasyouare!我和你一样累！【解析】as.as.和.一样.Foroneee,shedidnotdoanyhouseorandneitherdidI.一周的时间，她不做任何家务，我也不做。【解析】neither+助动词/系动词/情态动词+主语“某人也不”neither两者都不neithernor既不也不,连接两个词做主语，谓语动词由后一个主语确定NeitherTonorjiisastudent表

7、达“也不”则用“Neither/Nor+be/V助/V情+主”Thefirstoneasntbad.Neitherasthesecond.0.Thenextday,yocaehoefroortofindthehousecleanandtidy.第二天，妈妈下班回到家后发现房间很干净、整洁。【解析】find+宾语+宾语补足语【注】findfoundfoundv寻找findsb.doingsth发现某人做某事findit+ad+todosth发现做某事很finditdifficult/hardtodosth发现做某事很困难Shefound_it_hardtofinishtheorbyherself

8、.1.Sheasedinsurprise.她吃惊地问道。【解析】insurprise惊奇地；吃惊地surprisev使吃惊surprisingad令人吃惊的surprisedad吃惊的toonessurprise使某人吃惊的是insurprise吃惊地besurprisedat对感到吃惊Toysurprise_人做主语，sb.needtodosth某人需要做某事物做主语，sthneeddoingsth=sthneedtobedoneStudentsneed_tohave_agoodrestinstudying.Theatchneeds_ending_.用于否定句或疑问句，是情态动词neednt

9、=donthaveto没有必要need,ust引导的一般疑问句，肯定会的用ust,否定回答用needntustIgothereno?yes，youust/No,youneednt【解析2】share分享；共用sharesth分享或共用某物sharesthithsb.与某人分享某物borro借入,与fro连用，尤指主语“【借进来”】borrosthfrosb.从某人那里借某物youcanborrotheboofrothelibrary.lend借出,与to搭配【指借出去】lendsbsth=lendsthtosb把某物借给某人Hedoesntanttolendhisbootoothers.eep

10、保留，保存【指借一段时间】【记】Iantto_borro_abiefroyfriendbuthedidnt_lend_ittoe,becauseTohad_ept_itfortodays.IcutyfingerandItryingnottogetitet.我的手指割伤了，伤口不能弄湿。【解析】trytodosth努力做某事。tryv试图，设法，努力【拓展】tryon试穿trytodosth努力做某事【侧重尽力做】trydoingsth试图做某事【侧重尝试做】tryonesbesttodosth=doonesbesttodosth尽某人最大努力做某事Ihatetodochores.我讨厌做家务。

11、hatetodosth讨厌做某事,表示某次具体行为或动作。Ihatetotroublehi.hatedoingsth不愿意做某事表示经常或习惯性行为或动作。Shehatessoinginherroo.couldIasyoutohelpeithsoechoresthen?那我能请求你帮我做些杂活吗？【解析】assb.todosth要求某人做某事。asfor请求，要某物assb.aboutsth向某人询问关于某事assb.forhelp向某人请求帮助assb.todosth请求某人做某事as构成的短语：短语含义assb.todosth请某人做某事assb.nottodosth不让某人做某事assb

12、forsth向某人要某物asforhelp寻求帮助Illfinishyhoeorhileyouhelpeiththedishes.当你帮我洗盘子的时候，我将完成我的家庭作业。【解析1】finishdoingsth完成某事canyoufinish_reading_theseboosbefore10ocloc?【解析2】hilecon“在期间；当的时候”hile引导的时间状语从句的谓语动词只能是延续动词。_hile_thechildrenhavefun,parentscantaedancelessonsonthebeach.【解析3】helpsb.ithsth.在某事上帮助某人。【注】helpv帮

13、助helpfulad有帮助的helpsb.dosth.=helpsb.ithsth.帮助某人做某事iththehelpofsb.=ithoneshelp在某人的帮助之下ithoutthehelpof没有在的帮助之下Ithinreadingisvery_helpful_._ithout_yourhelp,ecouldntcatchthethief.0.couldIinviteyfriendstoaparty?我能邀请我的朋友们来聚会吗？【解析】invitesb.toSp.邀请某人去某地【解析】invitevinvitationn邀请invitesb.todosth邀请某人做某事invitesb.

14、to+地点邀请某人去某地1.Idontunderstandhysoeparentsaetheiridshelpithhouseorandchoresathoe.我不理解为什么有些父母在家让孩子们帮忙做家务和杂务。【解析】aesb.dosth让某人做某事aeadeadev.做，制作，使得aesb/sth+形容词“让某人或某物”aeyouhappaesb/sthdosth使某人做某事aeelaugh.colorscanchangeouroodsandaeus_feel_happyorsad,energeticorsleep.2.Theydonthavetietostudyanddohouseor，

15、too.他们也没有时间来学习家务和做家务。【解析】havetietodosth.有时间做某事havetie=befree有空3.Houseorisaasteoftheirtie.做家务是在浪费他们的时间。【解析】aasteof浪费aasteoftie浪费时间aasteofoney浪费金钱astev“浪费”astetie/oneyonsthastetie/oneydoingsth在做某事上花费时间/金钱Dont_aste_ater.cantyouseethesign“saveater”?Theyshouldspendtheirtieonschoolorinordertogetgoodgrades

16、andgetintoagooduniversity.为了取得好成绩并考上一所好大学，他们应该把时间用在学习上。【解析1】spend.onsth在某事上花费.spend/pay/cost/tae花费spendspentspentv花费,主语是人sb.+spend+时间/钱+onsthsb.+spend+时间/钱+doingsthspendon=payfor支付Hespendstoouchtieontheputergaes.Reebertospendsoetie_ith_yourlovedones,becausetheyrenotgoingtobearoundforever.yfather_spe

17、nt_onehundredthousandyuanonhisnecar.paypaidpaidv支付，主语是人sb.+pay+钱+forsthIpay10yuanfortheboo.Houchdidyou_pay_forthisputer?Fivehundreddollars.costcostcostv花费，主语是某物或某事sthcostsb.+钱某物花费某人多少钱Aneputercostsealotofoney.Iboughtaneseaterlasteeend.It_cost_e120yuan.taetootaenv花费Ittaes/toosb.soetietodosth.做某事花费某人多

18、长时间Ittaeshi3hourstodohishoeor.【解析2】inorderto“目的是；为了”后接动词原形。inordertodosth为了做某事Heranquiclyinordernot_tobe_latefortheeeting.【解析3】getinto=enter进入【拓展】与get相关的短语：getup起床getbac返回getover克服getdressed穿衣getinto进入get/belost丢失getoff/on下/上车getonellithsb.与某人相处得好getoutof从出来getar变暧getreadyfor+n.为做准备getreadytodosth.准

19、备做某事getell康复getachance有机会、得到机会get/gotosleep入睡相关：Also,hentheygetolder,theyillhavetodohousrorsotheresnoneedforthetodoitno.而且，当他们长大的时候，他们也将会做家务，因此，他们没必要现在在做。【解析】getolder长大get/bee/go辨析：get+adj较多地与形容词比较级连用。Thedaysaregettinglongerandlonger.bee强调变化的结果Itsbeingcolderandcolder.go+ad表示令人不快的事情gobad变坏，goblind变瞎，

20、gohungry挨饿Itistheparentsjobtoprovideacleanandfortableenvironentathoefortheirchildren.在家为孩子们提供一个干净、舒适的环境是父母的义务。【解析】providesth.forsb.为某人提供某物providev提供providesb.ithsth.=providesthforsb.供应某人某物相当于：offersb.sth.=offersthtosb.provide为应急等做好准备而“提供；供给”providesb.ithsth.=providesthforsb.提供某人某物offer侧重表示“愿意给予”offe

21、rsb.sth.=offersthtosb.对某人提供某物offertodosth主动提出干某事supply定期“供应”,强调替代或补充所需物品Supplysb.ithsth=supplysth.tosb.为某人提供某物TheInternetprovidesus_ith_alotof_inforation_eneed.couldyoupleaseprovideus_ith_soeinforationaboutthestudentshealth?ofcourse,itsypleasure.Andanyay,Ithindoingchoresisnotsodifficult.无论如何，我认为做家务并

22、不那么难。【解析】anyay无论如何,eepdoingsth继续做某事HeasingreatpainbutheeptonoringHeepton_taling_aftertheballrangforclass.eepsb.Doingsth让某人一直做某事Isorrytohaveeptyouaitingforsolong.yteacherepte_doing_hoeoralltheafternoon.Doingchoreshelpstodevelopchildrensindependenceandteachesthehotolooaftertheselves.做杂务不仅可以培养孩子们的独立性还可

23、以教他们如何照顾自己。【解析】developindependence培养独立意识developvdevelopentn发展developingad发展的developedad发达的adevelopingcountry一个发展中国家adevelopedcountry一个发达国家chinaisa_developing_country.Sincetheyliveinonehouseiththeirparents,theyshouldnothateveryoneshoulddotheirpartineepingitcleanandtidy.既然他们和父母同住在一个房子里，他们应该知道保持家里干净、整洁

24、每个人都应该参与。【解析】sincecon既然taecare当心taeaal散步taeedicine服药taeplace发生taeonesteperature量体温taeonestie别着急Asaresult,heoftenfellillandhisgradesdropped.结果，他常常生病，功课也落下了。【解析1】asaresult结果Dontashitoolateintothenight,_Asaresult_,heisonlyasallchild.【解析2】fallill生病fallasleep入睡Theearlieridslearntobeindependent,thebetteritisfortheirfuture.孩子们越早学会独立，对他们的未来越好。【解析】the+比较级，the+比较级“越.越.”Theoreyousile,the_happier_youillfeel.