Unit4SectionA知识点讲解人教版八年级英语下册

Unit4Whydon’tyoutalktoyourparents?SectionA【知识点讲解一】1.Whydon’tyoutalktoyourparents?(P25)【解析1】Whydon'tyoudosth?=Whynotdosth?为什么不......呢？【拓展】用于提建议的句型有：(1)Whataboutdoingsth?=Howaboutdoingsth?….怎么样？(2)Whydon’tyoudosth?=Whynotdosth?为什么不呢？(3)Let’sdosth.让我们一起做某事吧。(4)Shallwe/Idosth?我们做…好吗？(5)hadbetterdo/notdosth最好做/不做某事(6)Will/Wouldyoupleasedosth请你做…好吗？(7)Wouldyouliketodosth?你想去做某事吗？(8)Wouldyouminddoingsth?你介意做某事吗？【回答】(1).同意对方的建议时，一般用：◆Goodidea./That’sgoodidea.好主意◆OK/Allright./Great好/行/太好了◆Yes,please./I’dloveto是的/我愿意◆Iagreewithyou我同意你的看法◆Noproblem没问题◆Sure/Ofcourse/Certainly当然可以◆Yes,Ithinkso对，我也这样想(2).对对方的帮助或要求表示委婉谢绝时，一般用：◆Idon’tthinkso我认为不是这样◆Sorry,Ican’t对不起，我不能◆I’dloveto,but…◆I’mafraid…我愿意，但恐怕……【解析2】talktosb.与某人交谈或对话，是一种双向的沟通方式：指与某人进行交流或对话，以实现双方之间的沟通和理解。后可接aboutsth.和某人谈论某事。eg:Ithinkyoucantalktoyourparentsaboutyourproblem.2.Ihavetostudyuntilreallylate,soIdon’tgetenoughsleep.(P25)【解析1】until的用法：（1）用于肯定句，until表示“直到….为止”，肯定形式表示的意思是“做某事直至某时”，动词必须是延续性的。eg:Theboywaitedintheschooluntilhisfathercametopickhimup.Isleptuntilmidnight.（在肯定句中可用before代替Let”sgetinthewheatbeforethesunsets.）（2）用于否定句：not…until表示“直到…才”。否定形式表达的意思是“直至某时才做某事”。动词为延续性或非延续性都可以。eg:Shedidn’tarriveuntil6o’clock.Don’tgetoffthebusuntilithasstopped.【解析2】soconj.因此(表示因果关系，后面跟表示结果的句子，不与because同时使用）3.IhavetoomuchhomeworksoIdon’thaveanyfreetimetodothingsIlike.(P25)【解析1】toomuch太多，过多toomany+复数名词多，过多，许多toomanypeopletoomuch+不可数名词多，过多，太多toomuchjunkfoodmuchtoo+形容词太......=verymuchtoocold注意：toomuch也可修饰动词，放在动词之后eg：Hedranktoomuchandispayingdearlyforit.【解析2】havetimetodosth.有时间做某事：指在某个时间段内有空闲时间去做某件事情。eg：Doyouhavetimetoplaythisgamewithus?4.Myparentsdon’tallowmetohangoutwithmyfriends.(P25)【解析1】allowv允许①allowdoingsth允许做某事eg:Theshopkeeperdoesn’tallowsmokinginanycorneroftheshop.②allowsb.todosth允许某人做某事eg:Hisparentsallowhimtoplayputergamesifhefinisheshishomework.③beallowedtodosth被允许做某事（被动语态）eg:Theboyshouldbeallowedtoplayaftersupper.【拓展】allow与let的辨析：allow指“允许”，表示“默许，听任，不加阻止”，allowsbtodosth允许某人做某事。let指“让”，letsbdosth让某人做某事，语意较弱，多用于口语中，let不能用于被动语态。【解析2】hangout闲逛：在某个地方消磨时间，特别是与朋友一起。后接withsb.。5.Igotintoafightwithmybestfriend.(P25)【解析】getintoafightwithsb.意为“和某人打架”，相当于haveafightwithsb.或者fightwithsb.。eg:HegotdrunkandgotintoafightwithJim.【拓展】fight也可以作动词，构成fightwith短语，意思是“与……吵架”。eg:Don’tfightwithyourparents.

6.What’swrong?(P25)【解析】What’swrong(withsb./sth)（某人/物）怎么了?用来询问对方有什么问题或者不顺心的事，What’swrongwith...?意为“……怎么了？”，后接sb.或者sth.，用来询问某人或者某物怎么了？相似的句型:What’sthematter(withyou)?(你)怎么了?What’sthetrouble(withyou)?(你)哪里不舒服?Whathappened(toyou)?(你)发生了什么事?What’sup?

什么事?【拓展】wrong1.adj.不正确的，错误的2.adj.【作表语】有故障，有毛病，不正常What’swrong(withsb../sth.)（某人/物）怎么了？(在宾语从句中语序不变。)3.adv.方式或方向错误，错误地，结果wrong=themattereg:Somethingiswrong.=There’ssomethingwrong.Nothingiswrong(=thematter)withher.7.Whydon’tyougotosleepearlierthisevening?(P25)【解析】gotosleep去睡觉(强调“入睡，睡着”这一动作）eg:Nowyouhavetogotosleep.8.情态动词should与could的用法(P26)【解析】should为情态动词，表示劝告、建议，意为“应该”，它和其他情态动词一样，没有人称和数的变化，后接动词原形，其否定形式为shouldn’t。eg:Maybesheshouldsaysorrytoyou.could用于表示建议时，回答通常用can或者can’t。could既是can的过去式，表示过去的能力，又可以表示谨慎、客气的建议，后接动词原形，其否定形式为couldn’t。eg:Ithinkyoucouldtellhertosaysorry.9.You____callhimup.(P26)【解析】callup打给某人：使用与某人交谈。注意：当up后接人称代词时，人称代词要用宾格放up之前。eg:IcallupmyparentseverySunday.【拓展】callon拜访；号召10.Idon’twanttosurprisehim.(P26)【解析】surprisev.使......吃惊=makesb.surprisedeg:Hiswordssurpriseme.=Hiswordsmakemesurprised.【拓展】surprisev→surprisingadj.令人吃惊的→surprisedadj.感到吃惊的常见用法：toone’ssurprise使某人吃惊的是insurprise吃惊地besurprisedat对……感到吃惊11.Youlooksad,Kim.(P26)【解析】look看起来（系动词，后跟形容词作宾语）【拓展】：系动词：后跟adj.作表语一是：（be）am/is/arebequiet=keepquiet保持安静二保持：stay/keep（表示持续状态）stayhealthy=keephealthy保持健康三变化：bee/get/turn（表示状态变化）五起来：sound/look/smell/taste/feel（表示感觉）12.Well,Ifoundmysisterlookingthroughmythingsyesterday.(P26)【解析1】findsb./sth.doingsth.意为“发现某人/某物正在做某事”,属于“find+宾语+宾补”结构。eg:Ifoundhimplayingontheplayground.Mr.WangfoundLiDongreadingastorybookintheclass.类似动词：hear，watch,see,feel【解析2】lookthrough动词短语，有多种含义：1）温习eg:Lookthroughyournotesbeforetheexamination．2）仔细查看eg:Ilookedthroughmydrawer,butIcouldnotfindmykeys．3)浏览eg:Iusuallylookthroughnewspapersaftersupper．【拓展】与look相关的短语：lookfor寻找lookafter=takecareof照看looklike看起来像lookthesame看起来一样lookover检查,复习lookthrough温习,检查lookout小心,从里向外看lookup向上看,查单词lookaround环视lookforwardto期望13.Yes,butI’mstillangrywithher.(P26)【解析】beangrywithsb.生气，愤怒：对某人或某事感到不满或愤怒。【拓展】angryadj.生气的→angrilyadv.生气地1）beangrywithsb..=bemadatsb..=getangrywithsb.【with后接人】eg:Iwasveryangrywithmyselfformakingsuchamistake.2）beangryat/aboutsth.对某事感到生气【at后接事】3）beangrytodosth.做某事感到生气eg:Studentswereangryatbeingtreatedlikechildren.14.Iguessyoucouldtellhertosaysorry.

(P26)【解析】guess的用法:(1)v.猜想;估计。eg:Canyouguessthemeaningoftheword?(2)v.以为，相信。常用于口语中，相当于think/believe，只是think/believe比较正式，语气更强，更重在表达心里的意愿。eg:Ithinkheisacleverman.

Iguessit’sgoingtorain.

Ibelievehim(tobe)right.

(3)v.猜想;估计。eg:Youmayhavethreeguesses.

15.Althoughshe’swrong,It’snotabigdeal.(P26)【解析1】although=though尽管,用来引导让步状语从句。【注】though/although不能与but连用【拓展】although/however辨析(1)althoughconj，“虽然；即使；纵然”，引导让步状语从句时放在主句前后都可。eg:Althoughheisveryold,yetheisquitestrong.(2)howeveradv，在句中作插入语，起一个连词的作用，一般用逗号与句子分开，可以放在句首或句中，意为“然而，尽管如此”。eg:It’sraininghard,However,Ithinkweshouldgoout.【解析2】bigdeal固定搭配，表示“重要的事情或状况"，多用于非正式交流。作否定用法时，常说It'snotabigdeal.或It’snobigdeal.，表示说话人并不认为某事有什么了不起。【拓展】deal的用法：1）v.dealwith意为“处理”、“对付”、“对待”、“论述”、“做买卖”等。how......dealwith=what......dowitheg:Howshallwedealwiththismatter?Idon’tknowhowtodealwithhim.Heoftendealswiththatshop.2）n.协议；交易①makea

deal达成协议;做成交易It’sadeal.就这么办/（一言为定）②bigdeal

固定搭配，“重要的事情或状况”，多用于非正式的交流。③agreat[good]dealof“许多”，其后通常接不可数名词(包括动名词)。eg:Hespentagreatdealofmoneyonit.He’sdoneagreatdealoftravelling.16.Hopethingsworkout.(P26)【解析1】hopev希望固定用法：①hopetodosth希望做某事eg:IhopetovisitGuilinoneday.②hope+that从句（表示希望）eg:Ihopethatyou’llbebettersoon.【辨析】wishv希望①wishtodosth②wishsb.todosth希望某人做某事③wish+that从句表示愿望，从句用虚拟语气eg:IwishIwereyou.【解析2】workout此处表示“成功地发展”，后常跟fine,well,badly等词，表示产生的结果如何；此外workout还可以表示“解决、制定出”。eg:Everythingisworkingoutwell.Themathproblemisdifficultformetoworkout.【巩固练习】I.根据句意及首字母提示填写单词。1.Mum,youshouldametogooutthisnight.2.Canyougthemeaningoftheword?3.Don'tbeangrywithLucy,itisnotabigd。4.What'swwithyou?5.Whatyousaidsme.II.用括号内所给单词的适当形式填空。6.Ifoundalittlegirl(play)intheroom.7.Whydon'tyou(ask)himtogowithus?8.Itisnoteasyforme(learn)Englishwell.9.Myteachersdon'tallowus(talk)inclass.10.Myelderbrotheroftenrefuses(share)thechoreswithme.II.单项选择。( )11.Ireallyhopethings.A.giveaway B.giveout C.putoff D.workout( )12.Mygrandpatoldmyfatherlastnight.A.callhimup B.tocallhimup C.calleduphim D.tocalluphim.( )13.heisseventy,hecantalkwiththeyoungman.A.Although;but B.Although;/ C.Because;so D.Because;/( )14.Idon'thavetobuythatsilkskirt.It'stooexpensive.A.enoughmoneys B.enoughmoney C.muchtoomoney D.manymoney( )15.YoushouldtalktoLucyyoucansayyou'resorry.A.inorderto B.if C.suchthat D.sothatIV.根据汉语意思完成句子,每空一词。16.天太热了，为何不出去游泳?It'stoohot.gooutandhaveaswim?17.我昨晚直到半夜没睡着。Ididn'tsleeplastnight.18.吉姆和他最好的朋友打了一架。Jimahisbestfriend.19.他刚才在图书馆浏览了今天的报纸。Hetoday'snewspaperinthelibraryjustnow.20.我们可以通过交谈。Wecantalkthe.【知识点讲解二】17.MyproblemisIcan’tgetonwithmyfamily.(P27)【解析】getonwithsb.和某人和睦相处；和某人关系良好=getalongwith【区分】(1)getonwellwithsb.和某人相处好(2)getonwellwithsth.某事进展顺利eg:Heisslowlygettingonwithhis

schoolmates.18.Whentheyargue,it’slikeabig,blackcloudhangingoverourhome.(P27)【解析1】argue争吵→argumentn争论haveanargumentwithsb.与某人辩论arguewithsb.与某人争吵argueaboutsth争论某事arguewithsb.aboutsth为某事与某人争吵argueagainst争辩；反对eg:Theboyarguedwithhisteacherabouthishomework.Hearguedagainsttheplan.【解析2】hangover挂在......之上；悬浮在......之上【拓展】hangout闲逛；常去某处eg:Helikesreadingandheoftenhangsoutinthebookshop.hangonto紧紧抓住eg:You’dbetterhangontomeinthecrowd.hangup挂；悬挂eg:Aftershefinishedherconversation19.Also,myelderbrotherisnotverynicetome.(P27)【解析1】elderadj.年纪较长的Hiselderbrotherisill.elder用来表示兄弟姐妹及子女之间的长幼关系，常用作定语older泛指新旧、老幼或年龄的大小关系，可以用作表语，是old的比较级形式。【记】Myelderbrotheris9yearsolderthanmyyoungersister.【解析2】benicetosb.对某人友好=befriendlytosb.=begoodtosb.20.HealwaysrefusestoletmewatchmyfavoriteTVshow.(P27)【解析】refuse=saynotov拒绝refusetodosth拒绝去做某事eg:Sherefusedtoacceptthattherewasaproblem.21.Insteadhewatcheswhateverhewantsuntillateatnight.(P27)【解析1】instead代替，反而，替(1)instead副词，代替，常放在句首或句尾,表示前面的事情没做，而做了后面的事情。eg:LeewasillsoIwentinstead.(2)insteadof+n/doing代替，而不是，放在句中insteadof为介词短语，后面一般接名词、代词、介词短语或动名词形式。eg:Shewrotetohiminsteadofcallinghim.=Shedidn’tcallhim.Shewrotetohiminstead.【解析2】whatever任何,每一引导名词性从句(如主语从句、宾语从句、表语从句)。eg:Whatevershedidwasright.

Youmaydowhateveryouwanttodo.

【拓展】whatever

还有“无论什么”的意思，用于引导让步状语从句。类似的词还有whoever(无论谁),whenever(无论何时),wherever(无论何地),however(无论怎样)。eg:Whateverwesaid,hedisagreed.

22.AthomeIalwaysfeellonelyandnervous.(P27)【解析】nervousadj.神经紧张的;焦虑不安的

,常构成feelnervous短语，意思是“感到紧张;发慌”。eg:Bettyisnervouswhenherteacherisaround.

IfeelsonervouswhenIthinkofyesterday。

23.Ifyourparentsarehavingproblems,youshouldoffertohelp.(P27)【解析】offertodosth主动提出做某事【拓展】offerv主动给予(1)offertodosth主动提出做某事(2)offersb.sth=offersthtosb.主动提供给某人某物eg:Therestaurantoffersfreecoffeetocustomers.=Therestaurantofferscustomersfreecoffee.24.Secondly,whydon’tyousitdownandmunicatewithyourbrother?(P27)【解析1】secondlyadv.第二；其次，常与firstly,thirdly或者lastly/finally等表示顺序先后的词，表示列举某些事实。eg:Firstly,theyarenotefficient,andsecondly,theyareexpensivetomake.【解析2】municatev交流municationn交流；沟通municatewithsb.和某人交流eg:PeoplecanmunicatewitheachotherfreelyontheInternet.25.Youshouldexplainthatyoudon’tmindhimwatchingTVallthetime.(P27)【解析1】explain可以用作及物动词,也可用作不及物动词,意思是“说明;解释”。常构成explaintosbsth

或explainsthtosb短语。eg:Explainwhatthiswordmeans.

Canyouexplainwhyyouwerelate?

explanation

名词,“解释;说明”。eg:Herexplanationcertainlysoundedtrue.

【易错警醒】

explain不能直接跟双宾语，在表人的间接宾语前，总有一个介词

to。【解析2】mind的用法：①minddoingsth.介意做某事eg:Wouldyoumindopeningthewindowplease?②mindsb’s/sbdoingsth.介意某人做某事eg:Doyoumindmy/mecallingyouatnight?26.I’mworriedaboutmyschoolgrades.(P28)【解析】beworriedaboutsth.担心某事【拓展】worryv担心→worriedadj.焦急的worryabout=beworriedabout为……担心eg:Youdon'thavetoworryaboutme.I'magoodswimmer.27.Mycousinborrowsmythingswithoutreturningthem.(P28)【解析】return的用法：1）v归还=givebackreturnsth.to...=givesth.backto...把......还给......eg:Ihavereturnedthedictionary.（当“归还”时是及物动词，后直接加物，不加to.同样不可再跟back.）YoushouldreturnthepianotoDickontime.（后接有人时，方可加to）2）v回来；返回=eback“goback/getback/eback..returnto+地点返回某地eg:AnnwillvisityouwhenhereturnstoLondon.（当“返回”时是不及物动词，先加to才可再加地点。另外，return已含有back的意思后不可再跟back.）【巩固练习】I.根据句意及汉语提示填写单词。1.Thereisno(关系)betweenthem.2.Hedoesn'tliketo(交流)withyourparents.3.Tokeepfit,weshouldhavemorevegetablesandfruit(代替)oftoomuchmeat.4.Youshould(解释)toyourparentswhyyoucamehomelate.5.Heistoo(不安的)tosayanything.II.用括号内所给单词的适当形式填空。6.My(old)brotheris5yearsolderthanme.7.(second)hecantellhisteachershisworries.8.Wouldyoumindmy(open)thedoor?9.Mr.Blackoftengoestoworkwithout(have)breakfast.10.Iamafraidof(speak)infrontoftheclassIII.单项选择。( )11.Manypeoplewon'trealizetheimportanceoftheirhealththeyhavelostit.A.until B.after C.when D.as( )12.It'simportantforstudentstolearnhowtoeachother.A.getonwith B.eoverto C.stayawayfrom D.arguewith( )I3.Hisparentsaren'tangrywithhim,theyareworriedabouthim.A.instead B.insteadof C.because D.although( )14.Heofferedme.Iwasveryhappy.A.help B.helping C.tohelp D.withhelping( )15.youdo,youmustbecareful.A.What B.However C.How D.WhateverIV.句型转换,每空一词。16.Heoftenhangsoutwithhisfriends.(改为一般疑问句)heoftenoutwithhisfriends?17.Canyouexplaintomehowtodothismathproblem?(改为同义句)Canyouittomehowtodothismathproblem?18.Youshouldcallhimupsothathecanwakeupearly.(改为同义句)Youshouldcallhimupwakehimup.19.Ithinkyouarewrong.(改为否定句)Ithinkyouwrong.20.Ihadafightwithmyparents.(改为否定句)Ifightwithmyparents.【拓展训练】I.完形填空。DearCindy,Iloveyourprogramverymuch.Ilistentoyourprogrameveryevening.I'mwritingtoyoubecauseIhavea1withmyparents.Myparentsalwayssay"No"to2Theydon'tletmegooutwithmyfriends.Theydon'taskmetodoanythingafterschool.Theymakemestudyallthetime,thoughI3.WhenIaskwhy,theyalwaysanswer,"4weareyourparents.Whatwearedoingisgood5you."Iamgoodatallmysubjectsatschool.Ialwaysgetgood6.Iknowmanyteenagersoftenlie(说谎)totheirparents,butIam7honest(诚实的).I'magoodgirl.8myparentsarenotsatisfiedwithme.I'mlonelyand9.ItellthemhowIfeel,buttheydon'tlistentome.Weneverhaveagoodtalktogether.Idon't10whatIshoulddo.Pleasehelpme.( )1.A.relation B.problem C.plan D.munication( )2.A.her B.them C.him D.me( )3.A.watchmovies B.playputergames C.hangoutwithfriends D.finishmyhomework( )4.A.Because B.Although C.Since D.Until( )5.A.with B.to C.for D.at( )6.A.grades B.books C.seats D.things( )7.A.never B.always C.sometimes D.hardly( )8.A.So B.Or C.But D.And( )9.A.bored B.happy C.funny D.excited( )10.A.explain B.guess C.understand D.knowII.阅读理解。AProblemsCausesAdvicefeelstressedToomuchhomework.Don'thaveenoughtimefortheirhobbies.Makeaplanforstudyandhobbies.Findtimetorelax.GetshortsightedToomuchhomework.Badstudyhabits.Doeyeexercisesregularlyorreadinacorrectway.FightwitheachotherDon'tknowhowtogetonwellwithclassmates.Makemorefriendsandunderstandeachother.Don'tliketostudyThebadinfluenceofputergames.Playputergamesjustforashorttime.GetfatHavemorepocketmoneytobuysnacks.Don'tliketodoexercise.Useyourpocketmoneytodosomethingmeaningful.Doexerciseeveryday.( )1.Forwhomisthisformabovemostprobablywritten?A.Parents. B.Children. C.Teachers. D.Students.( )2.Accordingtotheinformationgiveintheform,whydon'tstudentsliketostudy?A.Becauseoftoomuchhomework. B.Becausetheydon'tknowhowtogetonwellwithclassmates.C.Becauseoftheinfluenceofputergames.D.Becausetheydon'tliketodoexercise.( )3.willhelpyouavoidbeingshortsighted.A.Doingeyeexercisesregularly. B.Readinginbed.C.Readinginthesun. D.Readingtoolong.( )4.Ifyoufeelstressed,youshould.A.dolesshomework B.makeplansforyourstudy,hobbiesandrelaxationC.fightwithother D.havesomesnacks( )5.Peteriseveryfat,Maybehe.A.playsputergamestoomuch B.hastoomanysnacks C.doesn’tliketodoexercise D.B&CBExpert(专家)saythatstudentsusuallyneedeig