2025年八年级英语下册第四单元核心知识点梳理与总结

新版八年级英语下册第四单元知识点归纳Unit4Why dont you talkto yourparents你为何不和你打父母谈谈呢？Why dontyou talkto yourparents【解析】为何不……呢？Why dontyou do sth=Why not do sth【拓展】用于提提议的句型有⑴.…怎么样What aboutdoing sth=How aboutdoing sth为何不呢？2Why dontyou do sth=Why notdo sth⑶让我们一起做某事吧Lets do sth.我们做…好吗4Shall we/I do sth最佳做/不做某事5had betterdo/notdo sth请你做…好吗？6Will/Would youplease do sth⑺你想去做某事吗？Would youlike to do sth你介意做某事吗8Would youmind doing sth【回答】，同意对方的提议时一般用

1.好主意♦Good idea./Thats goodidea.好/行/太好了♦OK/All right./Great是的/我乐意♦Yes,please./Id loveto我同意你的见解♦I agreewith you没问题♦No problem当然可以♦Sure/Of course/Certainly对，我也这样想♦Yes,I think so对于这个问题均有谁提出了他们自己的观

26.Who givestheir opinionsabout theproblem点；；；【解析】意见想法见解以某人的观点在某人看来opinion nin onesopinion giveopinions给出有关某事的观点about sth,

27.These days,Chinese childrenare sometimesbusier onweekends thanweekdays.目前，中国的孩子有时周末比平常because they have totake somany after-school classes还要忙，由于他们不得不上那么多的课后辅导班【解析】some time/sometime/some times/sometimes【口诀】分开是一段，合起是某时；分开是倍次，合起是有时S S一段时间，做时间状语.做某事花费某人多长1some timeIt takessb.some time to do sth时间⑵在某个时候，sometime adv⑶名词词组「几次，几倍〃some timesMr.Green wentto Sanyasome timeslast summer.有时一般目前时的标志词4sometimes=at timesI hope to visit theUSA in the future.A.sometimes B.some timesC.sometime D.some time其他人正在练习体育运

28.Others arepracticing sportsso that they cancompete andwin.动，这样他们就能参与竞争并获胜【解析】其他的人或事物.做这事尚有其他的others pron.There areother waysof doingit措施My sisteris outgoing.She likesmaking friendswith.A.other B.another C.the otherD.others泰勒一家是一种经典的美国之家

29.The Taylorsare atypical Americanfamily.【解析泰勒一家在姓氏的复数前加冠词表达〃全家人或夫妻两人〃,使用UThe Taylorsthe时注意主语和谓语保持一致The Blacksare gettingready forthe holiday.【解析】经典的〃是……的特点〃typical betypical of

30..Maybe Icould cut out afew of their activities,but Ibelieve these activities areimportant for mychildrens future.或许我可以减少他们的某些活动，不过我相信这些活动对孩子们的未来很重要【解析】删除;删去cut outv+adv Youdbetter cutout thatsentence.切碎砍到插队切断水、电供应cut upcut downcut incut offDont whenothers talk;its impolite.A.cutoutB.cut inC.cutdown D.cut off我真的很想他们成功

31.1really wantthem tobe successful.【解析】成功的【拓展】成功，到达成功successful succeedv-success n成功的成功地—successful adj-successfully adv♦succeed indoing sth

①If atfirst you dontsuccess.try,try again.，

②She works very hard,so shewill in the exam.A.successful;pass B.success;passing C.succeed;passing D.successful;passing,该写作业了

32.1ts timefor homework【解析】是到做某事的时候了zIts timefor sth Its timefor lunch.It stime to dosthIts timeto go to school.Its9:30pm.,children!is time to goto bed.A.That B.It C.This D.TheyIn somefamilies,competition startsvery youngand continuesuntil thekids getolder.在有些家庭，竞争从孩子们很小的时候就开始了，一直持续到他们长大【解析】继续；持续continue【拓展】继续做某事前后做同一件事continue doing sth=go ondoing sthcontinue to do继续做某事前后不是同一件事sth=go on to dosth

①Lets continuereadthe text.

②Many studentshope tocontinuestudy afterfinishschool.

③The twoteams continuedthe game after halfan hour.A.play B.to playC.playing D.played【拓展】辨析continue,go on,last.继续，持续，指进程在时间或空间上的延续，强调持续不停，有时也可以指短暂lcontinue v停止后继续进行他持续两天都在做这项工作He continuethe workfor twodays,⑵指无间歇或有间歇地继续，或以某种特定方式继续go on，；继续做某事指开始做此外一件事go on to dosth继续做本来所做的事情go ondoing sth做完家庭作业之后，他继After doinghis homework,he wentontopreview hislessons.续去预习他的研究⑶持续，延续，维持，指某事物继续存在或某种现象在时间上延续，阐明某一动作要延last v.续一段时间那个工作她做不了多久She wontlast longin thatjob.妈妈们把她们的小孩子送去多种各34,Mothers sendtheir smallkids toall kinds of classes.样的辅导班[解析发送l]send^sent—sent v【短语】赶走派人去请send awaysend for寄出分发发射送给某人send offsend outsend upsend sb.sth=send sthto sb.某物【注】类似的动词有:（展示;给……看）（给）（借出）（提供）show givelend offerreturn（偿还）（告诉）tell（）

①You fillin bothparts ofthe form,then.A.send upit B.send forit C.send itaway D.send itoff（）Please senda photoof yourfamily me.A.for B.at C.to D.with【解析】多种各样的2all kindsof⑴【拓展】种类kind n.有点，有几分,有点冷一种的，某种的kind of+adj kind of colda kind of allkinds多种各样的Of不一样种类的那种different kindsof What kind of...（）友好的二二对某人友好2adj.be kindto sb.be goodto sb.be friendly to sb.【辨析】与kind ofkindsof:单独用，表达〃有点〃，后接形容词或副词:〃他有点瘦〃Olkind ofHe iskind ofthin.I feelkind〃我有点饿〃of hungry.王叔叔说得有点快Uncle Wangspeaks kind of quickly.，若前有等,译为〃种种类〃后加名词02kind ofa,this,that,what那类问题难回答That kindof questionis difficultto answer.Whatkindof sportdo you你最喜欢何种运动like best

①This kindof skirtlooks andsells.A.nice;well B.nice;good C.well;well D.good;nice一2-What animalsdo youlike Monkeys.I thinktheyre clever.A.kindof;kindofB.a kindof;a kindof C.kindof;a kind D.a kindof;kind ofz3—It sgoing torain.Let mefetch anumbrella foryou.—Thank you!Youare so.A.lucky B.kind C.relaxed D.Interesting【浙江台州】《钢铁》.

17.—I wantto seethe movieIron Man33Do youknow theofthe ticket一Yes.Five dollars.A.number B.price C.kindD.name孩子们也应当有时间放松

35..Kids shouldhave timeto relaxand thinkfor themselves,too.和独立思索【解析】有时间做某事have timeto dosth

36.And theyare alwayscomparing themwith她们总是把自己的孩子和其他的孩子作比较other children.【解析】将和比较compare Awith BA B把……与.…做比较lcompare...with...•2compare...to...把.•…比做..・・・・

①.People oftencompare ateacher acandle.A.to B.into C.as D.with

②.Its necessaryEnglish Chinesein Englishstudy.A.compare;to B.to compare;with C.comparing;to D.to compare;into【四川广元】一Why aremost childrenunder too much pressure一Because theirparents alwayscompare themothers.A.With B.by C.to.医生说太多的

37.Doctors saytoo muchpressure isnot goodfor achilds development压力不利于孩子们的发展[解析对……有好处l]be goodfor【拓展】好的好处;善行;美德goodbetter;best adj.—goodness n对….有益处反对…有害处be goodfor bebad for擅长于做某事be goodat+n/doing=do wellin+n/doing.对某人友好be goodto sb.=be kindto=be friendlyto sb【己】t The boy isgood me.He isgood English,and hetells meoral practiceisgood improvespoken English.

38.Dr.Alice Greensays all theseactivitiescan causea lotof stressfor children.爰丽丝.格林医生说所有的这些活动也许给孩子们带来诸多压力【解析】导致，使发生cause v.⑴使某人做某事给某人添麻烦cause sb.to dosth2cause sb.for sb.

①She always_trouble_people.A.cause;to B.cause;for C.causing;to D.causing;for

②Every yeardriving afterdrinking winea lotof trafficaccidents.A.happens B.provides C.causes【拓展】辨析cause,reason,excuse⑴原因，指导起某种成果的〃原因〃，后接介词cause n.of.事故的原因是他开车开The causeoftheaccident wasthe factthat he was driving too fast.的太快⑵理由，原因，指决定做某事或采用某项行动的理由reason n.The reasonhewasdriving sofast wasthat hedidnt wantto missan important他开车如此快的原因是他不想错过一种重要的会议m eeti ng.⑶.辩解，借口，指对某种行为所做的解释，可以是真的，也可以是托词excuse n他为自己开快车找了一种堂皇的借口He madea goodexcuse forhis drivingWhat theflowers todie A.made B.had C.caused D.get Doyou oftentrouble yourparents A.get;into B.pay;for C.cause;for D.give;to我认为，又寸于孩子们/父母

39..In myopinion,it isimportant forchildren/parents to...来说，……是重要的；【解析】以某人的观点在某人看来in onesopinion

40.Perhaps children/parents should/could……或许孩子们/父母应当/也许.......【解析】也许;也许perhaps【拓展】到辛析perhaps,probably possibly,maybez意为也许，也许，一般指比较小的也许性lperhaps.也许我后天去看他，不过Perhaps Iwill seehim theday aftertomorrow,but Iam notsure我不能确定⑵很也许，大概，其也许性最大，表达一种几乎完全肯定的意思probably.他很也许会拒绝这份提议He willprobably refusethe offer⑶意为也许，或许，也许，也许性较大possibly，我今天要见你不过也也许是明天Fil seeyou today,or possiblyto morrow.⑷或许，大概，重要用于非正式场所，常用在口语中,语气比轻maybe perhaps或许你把信放在你的篮子里了Maybe youput theletter inyour basket,z这是疯狂的

41.It scrazy.【解析】不理智的；疯狂的在句中作定语、表语、宾语补足语crazy,adj.be crazyabout又寸.•…・着迷；热衷于……Im crazyabout football.

42.Does CathyTaylor thinkits importantfor kidsto joinafter-school activities凯西.泰勒认为对于孩子们而言参与课文活动重要吗？【解析】Its+adj.easy,difficult,important,necessary+for sb.to dosth【注】若形容词表达事物特性的，如等，须用介词【形容easy.difficult,hard.importantfor物，用for]Its+adj kind,honest,friendly,+of sbto dosth.【注】若形容词表达人的性格、品质与特点，如等，用介词good,kind,nice wrongofz o【形容人用】of【山东东营】Its veryconvenient usto buytrain ticketsnow becausewe canbuythem eitherfrom thestation oron theInternet.A.to B.of C.by D.for

①Its importantfor uslearnEnglish well.

②Its hardfor usfinishthis taskin twodays.

③z Itsverynice youto helpmea lot.A.for B.of C.in D.on

④-Its veryof youto work out theproblem forme.A.kind B.polite C.clever D.easy持续发生

43.keep onhappening【解析】继续做某事让某人一直做某事keep ondoing keep sb.doingsth keep up跟上with制止某人做某事避开keepsb.from doingsthkeepaway fromMr.Li keptworkhere fornearly30years.

二、重点语法情态动词与的使用方法L shouldcould的使用方法should为情态动词，表达劝说、提议，意为应当，它和其他情态动词同样，没有人称和should数的变化，后接动词原形，其否认形式为、shouldn也许她应当跟你说声对不起Maybe sheshould saysorry toyou.的使用方法could情态动词既是的过去式，表达过去的能力，又可以表达谨慎、客气的提议，后接动could can词原形，其否认形式为couldn%My grandfathercould drivewell evenattheage ofeighty.我的祖父甚至至了岁任然能很好地驾车lj80你可以出去给他买些药You couldgo outand buyher somemedicine.,The girlread beforeshe wenttoschool.A.Could B.Couldn tC.Should D.May.状语从句2状语从句就是在句子中作状语的从句状语从句有好几种，如时间状语从句、原因状语从句、条件状语从句、成果状语从句、目的状语从句等本单元重点讲述如下三种类型的状语从句引导的时间状语从句

2.so that是连词，意为为的是，以便，引导目的状语从句so that注意和在使用方法上的区别so that,in orderthat inorder to⑵.对对方的协助或规定表达委婉谢绝时，一般用我认为不是这样3I dontthinkso对不起，我不能♦Sorry,I cant♦Id loveto,but...我乐意，但恐怕……4Fm afraid…，我要学的太多因此我睡眠局限性I have to studytoo muchso Idont getenough sleep.【解析复数名词许多l]ltoo many+too manypeople+不可数名词许多2too much toomuchhomework+形容词太…3much toomuchtoocold【解析】因此表达因果关系，背面跟表到达果的句子，不与同步使用2so conj.because我的父母不容许我和我的朋友们出My parentsdont allowmetohang outwith myfriends.去闲逛【解析】容许某人做某事allow sb.to dosth【拓展】容许allow v容许做某事allow doingsth Theydont allowsmoking.容许某人做某事allow sb.to dosth Mymother allowsmetowatch TV.被容许做某事be allowedto dosth

①We dontallowsmoke in the readingroom.2Our teacherallows usgo out fora walk.

③The boyshould beallowedplay aftersupper..让我己下你的号Let metake downyour telephonenumber sothat Ican callyou Ia teri码，为的是后来好打电话给你）引导的状语从句

3.although的使用方法意思相称于（尽管，虽然），用来引导让步状语从句它所引although though导的从句不能与并列连词等连用，但可以和等词连用but,and,so yet,still

①尽管这本书很旧，我们还是决定买Although thebook wasold,we decidedto buyit.

②Although hewas tired,he wenton working.尽管他参与这次竞赛Although hehad onlyentered thecontest forfun,he wonfirst prize.只不过是闹着玩而已,却赢得了头等奖

④We wontallow inthe cinema.But youare allowedintherest（）room.smoke（）©Teenagers shouldallow tochoose theirown clothes.【拓展】与的辨析allow let指容许,表达默许，听任,不加制止，allow容许某人做某事allow sbtodosth，，指让让某人做某事，语意较弱多用于口语中,不能用于被动语态Letlet sbdosthlet怎么啦

4.Whats wrong【解析】（）（某人/物）怎么了Whats wrongwith sb./sth我真的很累,由于我昨天晚上一Fm reallytried becauseI studieduntil midnightlast night.直学习到午夜【解析】直到……时until今天晚上你为何不早点睡觉呢？Why dontyou goto sleepearlier thisevening，【解析】去睡觉（强调〃入睡睡着〃这一动作）gtosleep金，你看起来很难过

7.You looksad Kim.z【解析】看起来（系动词，后跟形容词作宾语）look【【拓展】系动词后跟作表语adj.一是:（）保持安静be am/is/are bequiet=keep quiet二保持（表达持续状态）保持健康stay/keep stayhealthy=keep healthy三变化（表达状态变化）become/get/turn五起来（表达感觉）sound/look/smell/taste/feelJack usuallygets whenhe speaksinpublic.A.happily B.exciting C.worried D.tired Tomsfather looksvery.But heis verykind.A.seriously B.serious C.friendly,你给他打电话You call him up【解析】拜访;号召call upv+adv callon Icall upmy parentsevery Sunday.，哦昨天我发现我妹妹翻

9.Well,I foundmy sisterlooking throughmy thingsyesterday.了我的东西【解析发现某人正在做某事ljfind sb.doingsthMr.Wang foundLi Dongreading astorybookintheclass.类似动词:hear watch,see,feelz【解析】浏览2look through【拓展】与有关的短语looklook forlook after=take careof looklike lookthe samelookover lookthroughlook outlook uplook aroundlook forwardto是的,不过我仍然很生她的气

10.Yes,but Imstill angry with her.【解析】生某人的气be angrywith sb.【拓展】生气的—生气地angry adj.angrily adv.对某人生气【后接人】lbe angrywith sb.=be madat sb.with对某事感到生气【后接事】2be angryat/about sthat做某事感到生气3be angrytodosth【记】对......生气My fatherwas veryhis computer.He hitthe computerangry—Why areyou unhappy,Kate—I didntfinish myhomework again.Tm afraidMissGao willbe_me.A.angrywithB.friendlytoC.proud ofI wasvery angrymyself_making suchas astupid mistakes.A.at;at B.with;for C.at;with D.with;at尽管她错了，但也不是什么大错

11.Although sheswrong,Its nota bigdeal.[解析尽管，用来引导让步状语从句l]although=though【注】不能与连用though/although but【拓展】辨析although/however⑴；，虽然虽然;纵然，引导让步状语从句时放在主句前后都可although conj他虽然年龄大了,但身体还很强健Although heis veryold,yet heis quitestrong⑵,在句中作插入语，起一种连词的作用，一般用逗号与句子分开，可以放在句however adv首或句中，意为然而，尽管如此雨下的很大尽管如此我认为我们还Its raininghard,However,I thinkwe shouldgoout.z应当出去【解析】没什么大不了;不是什么大事常用于口语中2Its nota bigdeal.你把作业忘在家里了You leftyour homeworkat home.【解析】遗忘,留下把某物忘在某地leave vleave sth.somewhere leavesb.by把某人单独留下oneself但愿事情顺利处理

12.Hope thingswork out.【解析但愿Uhope v从句（表达但愿）hope todosthIhopeto visitGuilin,hope+that Ihope thatyoull bebettersoon但愿wish vwish todosthI wishto visitGuilin.但愿某人做某事wish sb.todosthIwish youtogo.，从句表达愿望从句用虚拟语气wish+that Iwish Iwere you.；，，【解析】处理成功地发展后跟等词表明产生的成果怎样2workoutfine,well,badly我的问题是我不能喝我的家人和睦相处

13.My problemis Icant get on withmy favorite.【解析】和某人和睦相处;和某人关系良好二getonwith sb.get alongwith geton well/相处的好/坏badly withz当他们争执的时

14.When theyargue,it slike abig,black cloudhanging overour home.候，就像有一大团乌云笼罩在我们家【解析争执llargue争论与某人算辛论—argument nhave anargument withsb.与某人争执为某事与某人争执争论argue withsb.argue withsb.about sthargue about sth某事争辩;反对argue againstHe arguedagainst theplan[解析挂在……之上;悬浮在……之上2]hang over闲逛;常去某处hang outHe likesreading andhe oftenhangs outinthebookshop.紧紧抓住hang onto Youdbetter hangontome inthe crowd.挂电话;悬挂hang upAfter shefinished herconversation

15.Also,my elderbrother isnot verynice tome.【解析】年龄较长的elder adj.His elderbrother isill.用来表达兄弟姐妹及子女之间的长幼关系，常用作定语elder泛指新旧、老幼或年龄的大小关系，可以用作表语，是的比较级形式older old【记】My brotheris7years olderthan myyounger sister.【解析】对某人友好2be niceto sb,be friendlyto sb.be goodto sb.他总是才巨绝让我看我最喜欢

16.He alwaysrefuses tolet mewatch myfavorite TVshow.的电视节目【解析】拒绝拒绝去做某事refuse=say notovrefuse todosth

①Theboyrefusedgo tosee hisfather withus.

②17He refusedwhen Iasked himfor help.A.said yesB.said noC.saidhello

17.1nstead hewatches whateverhe wantsuntil lateat night.相反，他却想看什么酒看什么，一直到深夜[解析替代，反而，替1]instead副词，替代，常放在句首或句尾,表达前面的事情没做，而做了背面的事情1instead李病了,因此我去了Lee wasill soI wentinstead.⑵替代，而不是，放在句中instead of+n/doing为介词短语，背面一般接名词、代词、介词短语或动名词形式instead ofShe wrote to him instead of callinghim.=She didntcallhim.Shewrotetohiminstead.她没有给他打电话，而是给他写了封信Health isvery importantto us.We shouldeat morevegetables andfruit richfood.A.instead B.insteadofC.because ofD.because[解析任何,每一2]whatever=no matterwhat」发如你的父母有问题，

18.1f yourparents arehaving problems,you shouldoffer tohelp你应当积极提供协助【解析】积极提出做某事offer todosth【拓展】积极予以ffer v积极提出做某事1offer todosth⑵积极提供应某人某物offer sb.sth=offer sthto sb,The littleboy hisseat tothe oldlady onthe crowdedbus.A.offered B.brought C.lent D.took另一方面，你为

19.Secondly whydontyousit downand communicate with yourbrotherz何不能坐下来和你的哥哥交流一下呢？；【解析第二另一方面llsecondly adv.【解析】交流交流;沟通和某2communicate vcommunication ncommunicatewithsb.人交流They communicatewith each other byQQ.They cantunderstand eachother sotheyhavedifficulty in.A.communicate B.communicated C.communicating你应当跟他

20.You shouldexplain thatyoudontmind himwatching TVallthetime.解释说你并不介意他一直看电视【解析】解释；阐明解释；阐明explain—explanation n向某人解释某事给某人解释某事explain sthto sb.explain tosb sth我很胆小我的学习成绩

21.Tm worriedabout myschool grades.【解析】紧张某事be worriedaboutsth.【拓展】紧张一焦急的为…紧张worry vworried adj,worry about=be worriedabout

①Dont beworry.Youll catchup withothers.@Dont aboutthings somuch.It willmake youstressed out.afraid B.worry C.worried D.Terrified我堂弟借我东西没有还我

22.My cousinborrows mythings withoutreturning them.【解析】偿还=...把……还给……return ivgive backreturn...to...=give backto⑵回来；返回=v comeback我父母在学习上给了我诸多压力

23.My parentsgive mealotof presureabout school.【解析】按；压压力press v—pressure⑴不可数名词物理学压力气压血压air pressureblood pressure⑵不可数名词还可指精神上、外界施加的压力=在压力下stress underpressure在学校我不得不和我的同学们竞争

24.1havetocompete withmy classmatesat school.【解析】竞争;对抗—竞争compete vcompetition ncompetewithsb.和某人竞争compete against/with与・・・...竞争compete for为...…参与比赛We areready forthe comingcompete..你们都应当互相而全面发展

25.You shouldall be_eachotherto improve【解析】改善提高improve=make...better-improvement n。