Unit3知识点讲解人教版八年级英语下册

unit3(17-18)1.Could

youpleasedosth?

请你（做）......好吗？

否定形式：couldyoupleasenot+v原？

肯定回答：Yes,I’dloveto./Sure./Ofcourse./Certainly./Noproblem.

否定回答：Sorry,Ican’t.+原因/I’mafraid/sorryIcan’t.2.takeout取出（v+adv）takeit/themout

takeouttherubbish(不可数）倒垃圾3.do/washthedishes清洗餐具4.sweeppt.swept5.getaride搭便车

（主语就是搭车人）givesbaride让某人搭便车6.CouldIdosth?我可以做......吗？用于表达请求，语气比较委婉。7.workon使用8.helpoutwithsth帮忙做9.atleast至少

反义：atmost至多，不超过10.finishdoingsth做完某事11.twohoursofTV表示时间、距离、金额、度量等词语作主语时，谓语动词用单数形式。Howtimeisflies!Threeyears_______(be)reallyashorttime.12.enough+n.adj/adv+enough(todosth)足够...可以做某事13.anyminutenow随时，马上，在任何时刻14.inamess乱七八糟makeamess弄得一团糟P19-201.comehomefromschool放学回家2.throwpt.threwthrowdown扔下，随手丢下3.theminute(that)...一...就...=assoonas+时间状语从句（主将从现）Pleasecallmeuptheminuteyougetthere.Iwillcallyouassoonashe________(arrive)here.4.infrontof在...前面（范围外）inthefrontof

在...前面(在一定范围内）5.comeover过来6.replyangrily生气地回复（v+adv)beangrywithsb7.allthetime=always一直；总是8.as...as...和......一样......否定：notas/so...as...不如9.①neither+be/情/助+主语

某人也不

（neither反义词both)②

Neitherofhisfriendsisrich.他的两个朋友都不富裕。

③

neither…nor…既不…也不…

either...or...要么...要么

我和她都不知道那件事。不是你错，就是我错。10.insurprise吃惊地

toone’ssurprise使某人吃惊的是

besurprisedat对……感到吃惊连接两个词做主语，谓语动词由后一个主语决定就近原则NeitherInorsheknowsaboutit.EitheryouorIamwrong.

11.hangpt.hunghangout（withsb)和...闲逛

12.passsbsth=passsthtosb传递某人某物13.borrowsthfromsb/sw向某人/从某地借某物14.lendsthtosb=lendsbsth(lendpt.lent)15.hatetodo/doingsth厌恶做某事16.dochores做家务（P21）sectionB1.buypt.bought反义：sell(pt.sold)buysthforsb=buysbsth.给某人买某物buysthfrom...从...买某物2.invitesbtodoinvitesbtosp3.makesbdosth.让/使某人做某事（let/havesbdosth)make+宾语+adj.makemehappy（P22-24）1.understress承受压力2.have(no)timetodosth（没）有时间做某事3.awasteoftime/money浪费时间/钱4.sbspend+时间/钱onsth/doingsth花费时间/钱做某事

（spendpt.spent)ittakes/tooksb+时间todosth5.inordertodosth(句首/句中）为了...否定结构：inordernottodoinorderthat+句子

为了赚钱，他什么都做。

Hedidanythinginordertomakemoney.=Hedidanythinginorderthathecouldmakemoney.6.getintoagooduniversity上一所好大学getintotrouble惹麻烦7.getolder变老

（三变得：get,become,turn)8.thereisnoneedforsbtodo对某人来说没有必要做某事9.it’sone’sjobtodosth做某事是某人的职责10.providesthforsb=providesbwithsth给某人提供...11.mind(sb/one’s)doingsth12.adj./adv.+enoughtodosth足够...能够做某事(so...that/too...to)

Tom足够大了能够照顾自己了。

Tomisoldenoughtotakecareof/lookafter/careforhimself.=Tomissooldthathecantakecareofhimself.=Tomistooyoungtocareforhimself.13.dependonsb依赖/依靠某人;取决于...视...而定14.developone’sindependence培养某人的独立性15.teachsbhowtodosth教某人怎样做某事（teachpt.taught)16.understandtheideaoffainess理解公平的概念17.doone’spartin(doing)sth尽某人的一份力做某事18.keep+宾语+adj.19.asaresult结果19.fallill生病

（fallpt.fell)20.droppt.droppeddropping21.the+比较级，the+比较级

越...越...

在班会课上，同学们就中学生是否应该做家务进行了激烈的讨论。有人认为我们应该做家务，有人认为我们没必要做家务。请写一篇短文，说明你支持哪个一个观点并阐述原因。

要求：80词左右。语言规范、意思连贯、表达完整。审题：style(体裁):_________

person(人称):__________

tense(时态):__________

第一人称议论文一般现在时OutlineBeginning:

Mainbody:Ending:提出论点并陈述正反方观点表明自己的观点支持自己观点的理由再次重申自己的观点Howtowriteanargumentation（议论文）?陈述正反观点Some

studentsthinkthat…,however,

others

believethat…提出论点Thedaybeforeyesterday,wehadadiscussionaboutourhomework.Beginning:Mainbody：表明自己的观点Ithink/believethat…Inmyopinion/Inmyview,…支持自己观点的理由（2-3点）First,…Second,…Besides,…Ending：再次重申自己的观点Inaword/Allinall,…Writing(10minutes)OutlineBeginning:

Mainbody:Ending:提出论点并陈述正反方观点表明自己的观点支持自己观点的理由再次重申自己的观点Usefulexpressions:1.It’sone’sdutytodosth.2.Somestudentsthinkthat….,however,othersbelievethat…3.Inmyopinion/Inmyview,…4.developchildren’sindependence5.Inaword,it’snecessaryandhelpfultodo…Wehadadiscussiononif(是否）studentsshoulddohouseworkintheclassmeetingyesterday.Somestudentsthinkweshoulddohouseworkwhileothersbelieveweneedn’tdohousework.Inmyopinion,it’snecessaryforusstudentstodosomehousework.Here’rethreemainreasons.First,it’sourdutytosharesomehouseworkbecauseweareamemberofourfamilies.Second,wecanlearnsomelifeskillsbydoinghousework.What’smore,themostimportantthingisthatwecandevelopourindependence.Inaword,it’snecessaryandhelpfultodosomehousework.范文欣赏：文章条理清楚，结构完整，符合议论文的写作要求。论点鲜明，论据充分真实，结论精炼有力，与论点前后呼应。在文中能使用“Inmyopinion,First,Second,What’smore,Inaword”等连接词或过渡词，使得行文流畅，层次清晰。提出论点，并陈述正反观点表明自己的观点，及支持自己观点的理由再次重申自己的观点Periodone1.It’stoohotintheroom.Couldyoupleasenot_____(open)thewindows？2.Theboyhungoutwithhisfriendsafterhefinished_____________(do)houswork.3.She________(notbe)happyifshe_______(see)thismessintheroom.4.Twohoursofcomputergames______(be)enoughforyou!5.Fatherwillcomebackfrom_______(shop)soon.6.你能让他搭车吗？他的车坏了。（give)Couldyou________________?Hiscarisbroken.Periodtwo1.OurteacheraskedJim______(angry)whyhewaslateforschoolagain.2.LucyandLilyhadalotofhomeworktodo,so______ofthemwenttoseethePekingOpearaShow.3.Paulwillhelptodochoresassoonashe______(get)home.4.Neitherofthemovies_______(be)interesting.5.Mymotherlookedme_____surprisewheshegothomeandfoundourhousesotidyandclean.6.Tomdidn’tplaytennis,_________________(我也不打）。7.王先生一到我就会给你打电话的。（call)_________________________________________Periodthree(4a-4c)1.Ihate_________(do)thechores,becauseIthinkit’sboring.2.Sueisagirlwholikesreading.Ioftenseeherborrowbooks________thelibrary.3.-Excuseme.MayI______yourbike?-Sor