九年級英語unit4知識點

1、Unit4知識點1.區(qū)別：usedtodo過去常常做某事（是主動語態(tài)，說明主語過去經(jīng)常性的動作或狀態(tài)，強(qiáng)調(diào)現(xiàn)在已不做）例：Heusedtogetupearly.beusedto（doing）sth習(xí)慣于（做）某事（表示主動語態(tài)，意為習(xí)慣于某一客觀事實或狀態(tài)，不強(qiáng)調(diào)動作）=getusedto（doing）sth例：Heisusedtohardwork.SheisnotusedtoeatingChinesefood.beusedtodosth被用于做某事（表示被動語態(tài)，其中動詞不定式表目的，可用于多種時態(tài)，有時可以與beusedfordoingsth互換）例：Woodisoftenusedtoma

2、kedesksandchairs.練一練：-Excuseme,doesMrLee'ssonlivehere?-Hebehere,buthehasmovedA.usedforB.usedtoC.wasusedtoD.gotusedto-HowdoesJackusuallygotoschool?-Herideabike,butnowhetheretoloseweight.A.usedto;isusedtowalkB.wasusedto;isusedtowalkingC.wasusedto;isusedtowalkD.usedto;isusedtowalkingHeusedtotoschoo

3、llate,butnowhedoesn't.A.goB.goingC.wentD.goes HelikeEnglish,butnowhelikesitverymuch.A.didn'tusedtB.didn'tusetoC.notusedtoD.doesn'tuseto HesonCoke,butnowhemilk.A.usedtodrink;isusedtodrinkingB.usedtodrink;drinksC.isusedtodrinking;usedtodrinkD.isusedtodrink;isdrinking WhiletravelingtoCa

4、nada,youshouldgiveyourselfadaytothetimeandknowthewaynearby.A.usedtoB.beusedtoC.usedtoD.beusedfor Shelivealone,butshelivingalonebecauseshefeelslonely.A.usedto;doesntusedtoB.isusedto;wasusedtoC.usedto;isnotusedtoD.wasusedto;doesn'tusedto Mikeafraidofdog,butnowhecanplaywiththem.A.isusedtobeingB.use

5、dtobeingC.usedtobeD.usedfor Heusedtointhesun,butnowheisusedtoatnight.A.read;readB.reading;readingC.read;readingD.reading;read2.反義疑問句：(1)什么是反意疑問句英語中，反意疑問句是由陳述句和附在其后的附加疑問句組成。其中附加疑問句是對陳述句所說的事實或觀點提出疑問，起證實作用，一般用于證實說話者所說的事實或觀點。翻譯為是嗎”(2) .反意疑問句的回答：回答時，如果情況屬實，用Yes加上反問句的倒裝肯定句；若果情況不屬實，則用No加上反問句的倒裝否定句。例如Youwer

6、emovedbyyourstudentsweren'tyou?情況屬實：Yes,Iwere.情況不屬實：No,Iweren't.(3)、反意疑問句中問句部分的動詞與陳述部分的動詞在語氣上成相反的對應(yīng)關(guān)系，即：肯定+否定？否定+肯定？如：Youcan'tdoit,canyu?你不能做它，是嗎？Theyareverylateforthemeeting,aren'tthey?他們開會遲到了，是嗎？(4) .當(dāng)陳述句中含有be動詞，助動詞，或是情態(tài)動詞時，反問句部分由這些詞加上主語人稱代詞構(gòu)成，Be動詞包括：am,is,are,was,were助動詞有：do,does,

7、did,have(用在完成時)，has(用在完成時)等情態(tài)動詞有：can,could,may,might,must,will,would,shall,should例如：Sheisalovelygirl,isn'tshe?她是一個可愛的女孩，是嗎？Hew川gohome,won'the?他要回家了，是嗎？Shedoesn'tliketoeatpopcorndoesshe?她不喜歡吃爆米花，是嗎？Thebabywon'tsleepearlywill_it?小寶寶睡得不早，是嗎？注意：Hehassupperathomeeeryday,doesn't'tF

8、heWhasn'the?)他每天在家吃晚飯，是嗎？Theyhaveknownthematter,haven'tthey"don'tthey?)他們已經(jīng)知道那事情了，是嗎？(5) .當(dāng)陳述句中只含有行為動詞時，若動詞加了s,就用does,若動詞為原形，就用do,動詞為過去式，則用did,例如：Youcleanedyourhouselastweek,djdn，you_?你上周打掃了你的房間，是嗎？Yourfatherplaysthecomputerverywell,doesn'he_?你父親電腦技術(shù)很好，是嗎？Theylooksohappytoday,lo

9、n'tthey?你今天看起來很高興，是嗎？(6) .反意疑問句的陳述部分帶有l(wèi)ittle,few,never,hardly,seldom,nobody,nothing,barely,scarcely等否定意義的詞時，問句部分用肯定式。如：Shenevertellsalie,doesshe?l(用doesn'tshe?)她從不說謊，是嗎？Hewasseldomlate,washe不用wasn'the?)他幾乎不遲到，是嗎？(7) 、反意疑問句的陳述部分為Iam時，問句部分習(xí)慣上用aren'tI表示。如：Iamaveryhonestman,aren'tI?我

10、是個很誠實的人，是嗎？(8).陳述部分的主語為不定代詞something,anything,nothing,everything時，問句部分的主語用it。如：Somethingiswrongwiththecomputer,isn'tit?電腦有問題了，是嗎？Nothinghashappenedtothem,hasit?他們什么事也沒發(fā)生，是嗎？(9)、陳述部分的主語為不定代詞somebody(someone),anybody(anyone),nobody(noone),everybody(everyone時，問句部分的主語用he或they,這時問句動詞的數(shù)應(yīng)和he或they一致。如：S

11、omeonehastakentheseat,hasn'the?有人已經(jīng)坐了位置，是嗎？Everyonehasdonetheirbestinthegame,haven'tthey?每個人在比賽中已經(jīng)盡力了，是嗎？(10) .陳述部分為祈使旬1)若為let川導(dǎo)，反問句用shallwe?例如Let'sgohometogetherallwe?讓我們一起回家，好嗎？2)若為letus引導(dǎo)和其余的任何一般的否定祈使何，都用willyou,例如Letusstoptorest,willyou?讓我們停下休息，好嗎？Don'tmakeanynoise,willyou惻弄出噪音，好

12、嗎？3)一般的肯定祈使句則用willyou或won'tyou都行，例如：Dositdown,won'tyou?/willyou空，好嗎？Youfeedthebirdtoday,willyou?今天你喂鳥,是嗎?Pleaseopenthewindow,willyou?(won打開you?子嗎？(11):陳述部分為There(Here)+be+主語時，問句部分用動詞+there(here)?形式。Therearetwocakesontheplate,aren'tthere?碟子里有兩塊蛋糕，是嗎？HereisastoryaboutMarkTwain,isn'ther

13、e?這是關(guān)于馬克吐溫的故事，是嗎？練一練：Lucyusedtogotobedlate,she?A.didn'tB.doesn'tC.hadn'tD.isn'tTheyhadagoodtimelastnight,?A.hadn'ttheyB.haven'ttheyC.didn'ttheyD.didthey3.What'ssblike某人是什么樣/某人是什么樣的人（多用于提問人的性格、品質(zhì)等，也可用于提問人的相貌）例：-What'sAlicelike?-Sheisquietandalittleshy.Whatdoessbloo

14、klike?某人長得什么樣子？（用于提問人的長相、外貌）例：-WhatdoesTomlooklike?-Hehasshorthair.4.silentadj.不說話的，沉默的keep/remainsilent保持沉默例：Thestudentsremainedsilent.silencen.沉默，寂靜5.enoughadv.足夠地，充分地（修飾形容詞或副詞，置于被修飾詞之后）例：Herunsquicklyenough.enough還可用作形容詞，意為足夠的，充足的”，在句中作定語修飾名詞例：Wehaveenoughtimetodoourhomework.adj./adv+enoughtodost

15、h足夠可以做某事例：Tomiscleverenoughtoworkoutthemathproblem.練一練： Thedininghallistohold300people.A.enoughbigB.enoughsmallC.smallenoughD.bigenough Sheisnotstrongenoughwalkingupmountains.A.togoB.goingC.goD.went Mybrotherisenoughafterhimself.A.lookB.lookingC.tolookD.looked6.getgoodgrades取得好的成績getgettergrades取得更好

16、的成績7.play+the+樂器play+球類8 .beinterestedin對感興趣練一練： JackenjoyswatchingTVWhileTomisinterestedinbasketball.A.playB.playingC.toplayD.played Mybrotherisinterestedinfootball.A.playB.playingC.toplayD.played9 .fromtimetotime有時，不時（相當(dāng)于sometimes或attimes）10.It'sbeen+時間+since+從旬自從以來已經(jīng)有多長時間相當(dāng)于Itis+一段時間+since+從旬

17、例：IthasbeenfiveyearssinceIbegantolearnEnglish.=ItisfiveyearssinceIbegantolearnEnglish.RickhaslearnedalotaboutChineseculturehecametoChina.A.beforeB.whenC.untilD.since-Whatwasthepartylike?-Wonderful.It'syearsIenjoyselfsomuch.A.afterB.beforeC.whenD.since12 .turn+顏色變成什么顏色13 .seesbdoingsth看見某人正在做某事（強(qiáng)

18、調(diào)動作正在進(jìn)行）seesbdosth看見某人做了某事（強(qiáng)調(diào)看到動作發(fā)生的全過程或看到動作經(jīng)常發(fā)生）例：Isawhimplayingfootballontheplayground.Isawhimrunintotheroom.Ioftenseeherplaybasketball.練一練：WhenIwalkedpastthepark,IsawsomeoldpeopleChineseTaiji.A.doB.didC.doingD.aredoing14 .takeup開始做（某個工作，某項愛好）takeupdoingsth開始做某事例：Heisgoingtotakeupaholidaylikepaint

19、ing.MyfathertookuplearningEnglishattheageofforty.15 .dealwith對付,應(yīng)付例：Hehaslearnedtodealwithallkindsofdifficulties.辨析：dealwith與dowithdealwith與dowith二者都可以用來表示處理”，前者側(cè)重于方式、方法，后者側(cè)重對象。在特殊疑問句中，dealwith與how連用，dowith與what連用。例：Idon'tknowhowtheydealwiththeproblem.=Idon'tkonwwhattheydowiththeproblemdealw

20、ith還有一個需要注意的地方：在動詞不定式短語todealwith中必須帶賓語。例：Idon'tkonwhowtodealwithit.練一練：-Manystudentsdon'tknowhowtostressandbecomeworried.-Ithinkthey'dbetterasktheietediorhelp.A.arguewithB.dealwithC.quarrelwithD.comeupwithIfthebabycriesagain,howdoyouit?A.dealwithB.dealinC.dowithD.dealout1.1. dare（to）dos

21、th敢于做某事例：Wemustdaretothink,speakandact.練一練：Thelittlegirloutinthedarkatnight.A.darenotgoB.daresnotgoC.doesnotdaregoingD.daresnottogo17. innfrontof在的前面（外部）inthefrontof在的前面（內(nèi)部）例：CathywasjustsittinginthefrontofthecarwhenshesawherfriendMarystandinginfrontofthecar.18. thewhole+名詞單數(shù)整個的，全部的thewholeday=allda

22、y一整天whole與all的區(qū)別：語序不同：whole用于冠詞、所有格或其它限定詞之后all用于冠詞、所有格或其它限定詞之前例：Ispentthewholemorning/allthemorninginbedtoday.19. notanymore不再（一般指動作或行為不再重復(fù)出現(xiàn)）=nomore辨析：not.anymore與notanylongernot.anymore相當(dāng)于nomore,表示數(shù)量和程度上不再”，通常修飾非延續(xù)行動詞，一般指今后不再”，故多用于將來時。例：Hewillnomoregothere=Hewillnotgothereanymore.not.anylonger相當(dāng)于n

23、olonger指時間或距離上的不再延長”，通常修飾延續(xù)性動詞，多指現(xiàn)在的情況與過去相比，故常用于現(xiàn)在時態(tài)。例：Youcannolongerstayhere=Youcan'tstayhereanylonger.練一練：Heisnolongerateacher.（同義句轉(zhuǎn)換）Heateacher.20. crowd（可數(shù)名詞）人群，觀眾（形容詞）擁擠的（動詞）擁擠例：Wehavetopushthewaythroughthecrowds. Theshopiscrowedonweekends. Theallcrowedintothecinema.21. beabletodosth能夠做某事22

24、. allthetime一直，總是（通常用于旬末）例：Itrainedallthetime.23. tonsof大量的，許多的（后面接可數(shù)名詞復(fù)數(shù)或不可數(shù)名詞）例：Iboughttonsofappleswhiletheywerecheap.They'regottonsofmoney.24. toomuch+不可數(shù)名詞太多muchtoo+形容詞/副詞太toomany+可數(shù)名詞復(fù)數(shù)太多例：Thereistoomuchnoiseintheclassroom. Thebookismuchtoodear. Therearetoomanypassengersonthebus.練一練：At-Yes,

25、butdon'teat.A.toomuch;toomuchB.muchtoo;toomuchC.toomuch;muchtooD.muchtoo;muchtoo25.worryabout為擔(dān)憂/擔(dān)心/煩惱練一練：Thereisnothingwrongwithyoumother.Pleasedon'ther.A.worryaboutB.takeprideinC.payattentiontoD.listentoIreallyworrymyfriend.Heis川inhospital.A.aboutB.atC.inD.of26 .hangout閑逛27 .guard（可數(shù)名詞）守衛(wèi)，

26、警衛(wèi)（動詞）守衛(wèi)，保衛(wèi)28 .bepreparedtodosth準(zhǔn)備好做某事，愿意做某事bepreparedforsth為做好準(zhǔn)備例：I'mpreparedtotaketheexam.29 .giveup+名詞/代詞/動名詞放棄（代詞放中間giveitup）例：Weshouldnevergiveuphope.Iwillnevergiveupdoingsports®Englishisveryimportant.Don'tgiveitup.練一練：Manysuccessfulpeoplehavethesamequality-theynevernomatterwhatdif

27、ficulitiesthey'vehad.A.giveupB.stayupC.cheerupD.lookupd betterDad,smokingisbadforyourhealth.YouA.giveupitB.giveitupC.giveitbackD.givebackit30.require+名詞/代詞作賓語requiresbtodosth要求某人做某事例：Thejobrequiresstrength.Theyrequiredustohelpthem.31 .anumberof+可數(shù)名t復(fù)數(shù)+謂語動詞復(fù)數(shù)許多thenumberof+可數(shù)名t復(fù)數(shù)+謂語動詞單數(shù)的數(shù)量例：Anumbe

28、rofapplesarered.Thenumberofstudenntsis2000.練一練-Whatthenumberofthestudentsinyourschool?-Abouttwothousand.Anumberofthemfromthecountryside.A.is;areB.is;isC.are;isD.are;are32 .atleast至少atmost至多,最多例：Heplaysbasketballatleasttwiceaweek.33 .aloneadj.作表語/adv作狀語表示（客觀上）獨自，孤單，數(shù)量上就一個lonelyadj.作表語或定語表示（主觀感情上的）孤單寂

29、寞例：Helivesalone,butheneverfeelslonely.練一練：Thoughheisathome,hedoesn'tfeelforheMiausgmaodo.A.alone,lonelyB.lonely,aloneC.alone,aloneD.alone,lonely34 .giveaspeech=giveatalk做演講35 .inpublic=inpublicplaces當(dāng)眾，公開地36 .15-year-oldboy=15yearsoldboy一個15歲的男孩練一練： Lucyisagirl.A.13yearsoldB.13-yearoldC.13-year-

30、oldD.13-year-old UptonowtheChineseCommunistParty（中國共產(chǎn)黨）hasnearlyahistory.A.93yearsB.93-yearC.93-yearsD.93-year's37 .begoodat=dowellin擅長做某事38 .havedifficultiesinsth/doingsth在（做）某事方面有困難39.cause及物動詞，意為弓I起，造成，導(dǎo)致，使發(fā)生”，常用結(jié)構(gòu)有causesbsth=causesthforsb;causesbtodosth.causeproblems=causetroubleK為惹麻煩，弓I起麻煩”

31、。例：TheheavysnowcausedtheaccidentWhatcausedhimtoquithisjob?Heusedtocausedhisparentsalotoftrouble尸Heusedtocausealotoftroubleforhisparents.名詞，意為原因，起因”例：Thecauseoftheaccidentisnotknown.40.moveto搬到41.lookfor尋找42.takecareof=lookafter照顧，照看takecare小心練一練：Thankyouforyourinvitation,butI'nsosorrythatIcan

32、9;go.Ineedtomybaby.A.takeawayB.takeoffC.takecareofD.takeoutof43.influence及物動詞影響”名詞影響，作用"haveaninfluenceonsb寸某人有影響例：Theweatherinfluencesthecrops（農(nóng)作物）Hisideahasagreatinfluenceonme.練一練：Shehadabadontherestoftheclass.44 .absentfrom缺席，不在場absence名詞缺席，不在absent形容詞缺席的，不在場的例：Thedecisionwasmadeinmyabsence.

33、Theywereabsentfromworkthatday.45 .failtodosth未能/沒能做某事例：Ifailedtopassthedrivingtest.46 .finallyadv.最后，終于=intheend=atlast（在句中作狀語，通常位于旬首，旬末或?qū)嵙x動詞之前，連系動詞、助動詞或情態(tài)動詞之后）47 .makethe/adecisiontodosth=decidetodosth決定做某事例：Hemadeadecisiontolearnmedicine.=Hedecidedtolearnmedicine.練一練：Pleasehelphimorhertoadecision.

34、A.makeB.makesC.doD.have48 .sendsbtosp把某人送去某地49.advisesbtodosth建議某人做某事advisedoingsth建議做某事例：Thebossadvisedhimtoleaveassoonaspossible.Headvisedleavingearly.50.talkwithsb和某人交談51.inperson親自例：Youshouldaskhiminperson.52.24-hour5-hour數(shù)字+連字符+名次單數(shù)構(gòu)成的復(fù)合形容詞，在句中作定語。例：a4-dayholidaya5-yearplan53 .exactlyadv.正好，恰好，確切地，精確地exactadj.精確的，確切的例：That'sexactlywhatIwantedtobuy.IknowherbirthdayinJuly,butIcan'tremembertheexactdate.練一練：Hetoldmethewh