Unit1FoodforThoughtLanguagePointsandGrammar(情態(tài)動(dòng)詞1)導(dǎo)學(xué)案-高一英語

B2U1LanguagePoints1sufferv.(身體或精神上)受苦歸納拓展（1）vi.受苦于......;因......而受到懲罰；患......病sufferfromsth.遭受（戰(zhàn)爭(zhēng)、自然災(zāi)害）帶來的苦難及患病或其他苦vt.遭受；忍受；經(jīng)歷suffer+抽象名詞（pain,loss,defeat,damage,punishment,poverty,hunger,hardship等）①Itisreportedthatthefactorysufferedagreatlossinthefire.據(jù)報(bào)道，這家工廠在大火中遭受了嚴(yán)重?fù)p失。②Whatworriedusmostwasthatmothersufferedfrombadheartdisease.最令我們擔(dān)憂的是母親患有嚴(yán)重的心臟病。[單句語法填空]①Thefilmisbasedonthetrue-lifestoryofacancer(suffer).②(suffer)defeatafterdefeat,hebegantolosefaithinhimself.③Youmusthavesufferedacold.2情態(tài)動(dòng)詞+havedone歸納拓展musthavedone過去一定做過某事may/mighthavedone過去可能做過某事can’t/couldn’thavedone過去可能沒做過某事should（not）/ought（not）tohavedone本（不）應(yīng)該做某事couldhavedone本能夠做某事mighthavedone本可以做某事needn’thavedone本不必做某事就①ItoldSallyhowtogetthere,butperhapsIshouldhavewrittenitoutforher.我告訴薩莉如何到達(dá)那里，但或許我應(yīng)該給她寫出來。②Hecan'thaveworkedattheofficelastnight,forhehadtogotoapartyat6：00pm.昨晚他不可能在辦公室工作，因?yàn)?昨天)晚上六點(diǎn)他得參加聚會(huì)。③—IstayedatahotelwhileinNewYork.—Oh,didyou?YoucouldhavestayedwithBarbara.——在紐約時(shí)我住在一家旅店?！?，是嗎？你本可以和巴巴拉住在一起。④Youmighthavegivenhimmorehelp,thoughyouwerebusy.盡管很忙，其實(shí)你本可以多幫助他一下。⑤Therewasplentyoftime;sheneedn'thavehurried.時(shí)間很充足，她沒有必要著急。[單句寫作]①比爾不可能走太遠(yuǎn)。他的咖啡還是溫的。Billtoofar.Hiscoffeeisstillwarm.②——對(duì)不起，媽媽！我面試又失敗了?！叮愀饬?。你本應(yīng)該做好充分的準(zhǔn)備。—Sorry,Mum!Ifailedthejobinterviewagain.—Oh,it'stoobad.Youfullpreparations.③來新學(xué)校前，我沒有必要擔(dān)心，因?yàn)檫@兒的同學(xué)對(duì)我都很友好。IbeforeIcametothenewschool,formyclassmateshereareveryfriendlytome.④沒有經(jīng)歷戰(zhàn)爭(zhēng)，海明威就不可能寫出他著名的小說《永別了，武器》。Withouthiswartimeexperiences,HemingwayhisfamousnovelAFarewelltoArms.⑤路是濕的，昨天晚上一定下雨了。Theroadiswet.Itlastnight.3relatedadj.有關(guān)系的，相關(guān)的歸納拓展relatev.聯(lián)系，使有聯(lián)系relateto涉及；與......相關(guān)relateAtoB把A和B聯(lián)系起來relatedadj.有關(guān)系的，相關(guān)的berelatedto=beconnected/associated/linkedwith=havesomethingtodowith與......有關(guān)系/關(guān)聯(lián)relationn.關(guān)系（常用復(fù)數(shù)）；親屬relationshipn.（人、團(tuán)體、國家之間的）關(guān)系therelationshipbetweenAandBA和B的關(guān)系①Lightindustryiscloselyrelatedtoagriculture.輕工業(yè)和農(nóng)業(yè)密切相關(guān)。②Thequestionnairerelatestoourlifestyle.這份問卷調(diào)查和我們的生活方式有關(guān)。③Itisdifficulttorelatetheseresultstoanyknowncause.很難把這些結(jié)果和任何已知的原因聯(lián)系起來。④Talkingaboutpersonalrelationships,I’dnaturallythinkofmyrelationshipwithmymother.說到人際關(guān)系，我會(huì)自然的想到我和我母親的關(guān)系。[單句語法填空]①ThisisanFrenchword(relate)tomusic.②Wemustrelatewhathesayswhathedoes.[單句寫作]①以后，工資的增加將和業(yè)績(jī)掛鉤。Inthefuture,payincreaseswillproductivity.②他問了一些和他的專業(yè)有關(guān)的問題。Heaskedsomequestionshismajor.③這件事太小了，不足以影響兩人之間的友誼。It'ssosmallthestrengthoftheirfriendship.4dietn.日常飲食歸納拓展①Everyoneshouldkeepabalanceddietforthebenefitofhealth.為了健康，每個(gè)人都應(yīng)該保持均衡的膳食。②Haveyoubeenonadiet?You'velostalotofweight.你最近在節(jié)食嗎？你瘦了好多。③Tomakemyselflookprettyagain,Idecidetogoonadiet.為了讓自己看起來更漂亮，我決定節(jié)食。[單句寫作]①M(fèi)ysisterwantsto(節(jié)食),becauseshethinkssheisoverweight.②(均衡的飲食)isimportantforachild'sdevelopment.5addictn.對(duì)……著迷的人歸納拓展①Afterhisdivorce,Bruceaddictedhimselftodrinking,thuslosinghisjob.離婚后，布魯斯終日醉酒，結(jié)果丟了工作。②TeenagerswhoareaddictedtotheInternetaremorelikelytosufferfromdepression.有網(wǎng)癮的青少年更可能患憂郁癥。③Youshouldstoptakingthismedicinebecauseitisaddictive.你應(yīng)該停止服用這種藥，因?yàn)樗屓松习a。④Somestudentsarenowfightingtheiraddictiontoputergames.現(xiàn)在一些學(xué)生正努力戒除對(duì)電腦游戲的癮。[單句語法填空]①Alcoholandtobaccoarebothhighly(addict).②Heisnowfightinghis(addict)toalcohol.③Weareaddictedto(buy)newthings.[單句寫作]曾有一段時(shí)間他沉迷于電腦游戲。Therewasatimewhenheputergames.6incase以防萬一歸納拓展incaseof以防萬一；如果（后跟名詞）inthatcase如果那樣的話inthecase在這種情況下inmostcases在大多情況下inanycase無論如何，不管怎樣innocase決不（位于句首時(shí)，句子部分倒裝）①Takeanumbrellawithyouincaseofrain.＝Takeyourumbrellaincase(that)itshouldrain.帶上雨傘，以防下雨。②Inanycase,Ihavetoleavesoon.無論如何，我必須盡快離開。③Innocaseshouldyouleavehere.任何情況下你都不要離開這里。[單句寫作]①他上課遲到了，對(duì)他來說這是常有的事。withhim,hewaslateforclass.②帶張地圖吧，以防迷路。Bringamapyougetlost.③湯姆現(xiàn)在很忙。在這種情況下，我們就不再等了。Tomisverybusynow.，wewon'twaitanylonger.④無論如何我不能輸?shù)暨@個(gè)重要的比賽。thisimportantmatch.⑤如果遇到緊急情況時(shí)，擊碎玻璃并按下按鈕。emergency,breaktheglassandpressthebutton.7differv.不同，不一樣，有區(qū)別歸納拓展differv.不同，不一樣，有區(qū)別differfrom與......不同differin在某方面不同differentadj.不同的；有區(qū)別的bedifferentfrom...in...在......方面與......不同differencen.不同；區(qū)別tellthedifferencebetweenAandB分辨A和B的不同makeadifference有影響；起作用①Thisproposaldiffersfromthelastoneinmanyimportantrespects.＝Thisproposalisdifferentfromthelastoneinmanyimportantrespects.這個(gè)建議在很多重要方面與上一個(gè)不同。②parethetwopicturesandtellthedifferencebetweenthem.比較一下這兩幅畫，分辨出它們之間的不同。③Onefalsestepwillmakeagreatdifference.差之毫厘，謬以千里。[單句語法填空]①Thesetwobooksdiffercolour—oneisredandtheotherisblue.②Ourvillageisvery(difference)fromwhatitwasbefore.③Thebehaviorofparentsmakesagreat(different)tothechildren.學(xué)習(xí)效果隨堂演練Ⅰ.單詞拼寫1．Iwasn'thungrybecauseIatea(點(diǎn)心)beforedinner.2．IguessyoumightenjoyabookonChinese(烹飪).3．CanwehaveBeijing(烤制的)duckforlunch?4．Iwasinvitedtoattendmybestfriend's(婚禮)andshelookedsobeautifulonthatday.5．Whatyoudidwasreally(糟糕的),andIcan'ttrustyouanymore.6．Theyspenta(極好的)weekattheseaside,wheretheyenjoyedsomeofthebestseafood.7．Thedog(咬)thatboyandmadehislegbleed.8．Intheevenings,we(聚集)aroundthefireplaceandtalked.9．Whitehasalwaysbeena(象征)ofpurityinmostcountries.10．Talkaboutbookswithateacher,andtalkaboutmeatwitha(肉販).Ⅱ.單句語法填空1．Idaren't(tell)herthetruth.2．Itistypicalhimtomakemistakesinhishomework.3．Somemushroomsaregoodtoeatwhilesomeare(poison).4．Theshelveswerefilledwithall(sort)ofvegetables—eggplants,cucumbers,cabbages,tomatoesandsoon.5．Victimssufferanxiety,depressionandlowself-esteem.6．myopinion,collegelifeisfulloffreedomandfun.7．Hewas(typical)modestabouthisachievements.8．Tolerance,patienceandunderstandingarehersecretstoahappy(marry).Ⅲ.選詞填空eacross;dealwith;feelathome;eversince;thanksto;growup1．Itwasallagreatsuccess—alotofhardwork.2．Weareconsideringhowtothisdifficultsituation.3．Imypreviousteacher,MrWang,inthestreetyesterday.4．Theboydidn'tinsuchastrangeplace.5．Heisgoingtobeadoctorwhenhe．6．TomandIhavebeengoodfriendsIcametothisschool.Ⅳ.單句寫作1．那男孩坐在門旁等媽媽。Theboysatbythedoor,.2．你要么馬上離開，要么等到明天。Youmustatoncetilltomorrow.他一定已經(jīng)離開了，因?yàn)槲业教幎颊也坏剿?。HeforIcouldn'tfindhimanywhere.4．健康是最重要的。Nothingishealth.5．她一向遲到。Itistobelate.6.不言而喻，保持均衡的膳食能幫助你保持健康。Itgoeswithoutsayingthatcanhelpyoustayhealthy.7．犯罪率上升可能與失業(yè)率上升有關(guān)。Theriseincrimeislikelyanincreaseinunemployment.8．這兩個(gè)地區(qū)的氣候差異很大。Thesetworegions．9．多帶幾件衣服，以備身上弄濕了好穿。Takesomespareclothesyougetwet.8satisfyingadj.令人高興的，令人滿意的歸納拓展satisfyvt.使?jié)M意，使?jié)M足satisfyone’sneeds/curiosity滿足某人的需要/好奇心satisfyingadj.令人高興的；令人滿意的satisfiedadj.感到滿意的，滿足的besatisfiedwith對(duì)......感到滿意satisfactionn.滿意；滿足；欣慰asenseofsatisfaction滿足感toone’ssatisfaction令某人滿意的是①Iguaranteethatyouwillbesatisfiedwiththeresult.我保證你會(huì)對(duì)結(jié)果感到滿意。②Totheteacher'ssatisfaction,heansweredallthequestionscorrectly.令老師滿意的是，他正確地回答了所有的問題。③Thehotelwillmakeeveryguestegladlyandleavewithsatisfaction.酒店會(huì)讓每一位光臨的客人開心而來，滿意而歸。[單句語法填空]①Ienjoythe(satisfy)ofbringingjusticetothosewhohavebeenwronged.②Areyousatisfiedtheperformanceofyournewcar?③Itis(satisfy)inlifetomakeonefriend,morethanenoughtomaketwofriendsandraretomakethreefriends.④mygreatsatisfaction,everythingisgoingsmoothly.9remendv.推薦歸納拓展remendv.推薦sth.(tosb.)(向某人)推薦某物remenddoingsth.建議做某事that...建議...Itismendedthat...建議...(從句謂語用（should）+動(dòng)詞原形）remendsb.todosth.建議某人做某事2）remendationn.推薦；建議①Hestronglyremendedgoingtherebytrain.他強(qiáng)烈建議坐火車去那里。②Whydidyouremendhimtotakesuchanimportantposition?你為什么推薦他擔(dān)任這么重要的職位？③Wouldyouremendabooktome?你能給我推薦一本書嗎？④I'llremendTomashisassistant.我要推薦湯姆當(dāng)他的秘書。⑤Itisremendedthatyoushouldconsultyourdoctor.建議你去咨詢醫(yī)生。[單句語法填空]①ItissuchagreathotelthatIwouldremenditanyfriendofminewhoisgoingtoBeijing.②Heremended(read)thebookbeforeseeingthemovie.③It'sstronglyremendedthatthemachine(repair)everyyear.[句型轉(zhuǎn)換]Thedoctorremended(that)myfather(should)takemoreexercise.→Thedoctorremendedmyfathermoreexercise.注意：以下動(dòng)詞，后跟that引導(dǎo)的賓語從句時(shí)，從句謂語要用虛擬語氣，即“（should）+動(dòng)詞原形”，表示動(dòng)作發(fā)出者的主觀意愿。一堅(jiān)持insist二命令ordermand三建議suggestadviseremend四要求demanddesirerequirerequest還有一個(gè)敦促urge①Theysuggestedthathe(should)ehomeontime.他們建議他按時(shí)回家。②Heinsistedthatthenewemployees(should)betrainedfirst.他堅(jiān)持要求新雇員要先接受培訓(xùn)。③Mr.Blackorderedthatwe(should)wearmaskswhengoingout.布萊克老師命令我們出去時(shí)戴口罩。10convenientadj.方便的，便利的歸納拓展ifitisconvenientforsb.如果某人方便的話Itis/wasconvenientforsb.todosth.對(duì)某人來說做某事是方便的。Itis/wasconvenientthat.........是方便的2）convenientlyadv.便利地3）conveniencen方便；便利atone’sconvenience在某人方便時(shí)注意：convenient作表語時(shí)，不能用人作主語，要用事物作主語或用it來充當(dāng)形式主語。①Ifitisconvenientforyoutoday,wecouldmeetat2pm.如果你今天方便的話，我們可以下午兩點(diǎn)見面。②Itisnotconvenientformetoringhimup.我不方便給他打。③Canyoueandgivemeahandatyourconvenience?在你方便的時(shí)候能過來幫我嗎？[單句語法填空]①Youmaysendmeanansweryourearliestconvenience.②Ibuythisapartmentfor(convenient),foritisveryconvenientforme(take)thesubway.[單句寫作]①會(huì)后你方便開車去接他嗎？topickhimupafterthemeeting?②為方便起見我把參考書放在書桌旁。Ikeepmyreferencebooksnearmydesk．③在你方便的時(shí)候我們討論一下這件事。Let'sdebateaboutthismatter．11resistv.忍住，按捺歸納拓展resist(doing)sth.反對(duì)某事can’tresist/stand/bear/help(doing)sth.無法抵抗/忍不住(做)某事resistantadj.有抵抗力的，抵制的，反抗的，抗拒的3）resistancen.反抗；抵制；抵抗力；阻力①Theboycouldn'tresistshowingoffhisbeingpraisedbytheteacheronarrivinghome.一到家，這個(gè)男孩就忍不住炫耀自己受到了老師的表揚(yáng)。②Elderlypeoplearenotalwaysresistanttochange.老年人并不總是抵制變化。③Weshouldtakeexercisetobuildupresistancetodisease.我們應(yīng)該堅(jiān)持鍛煉來增強(qiáng)對(duì)疾病的抵抗力。[單句語法填空]①Shecouldn'tresist(buy)anewskirtthemomentsheenteredthemall.②Amongthemarespecialwindowsthatare(resist)todirtandwater.③Therehasbeenalotof(resist)tothisnewlaw.12adaptv.(使)適應(yīng)，(使)適合；改編歸納拓展adapt(oneself)tosth.（使自己）適應(yīng)某事beadaptedfromsth.根據(jù)/由......改編adapt...for把......改編成；使......適應(yīng)或適合adaptationn.適應(yīng)；改編本adaptableadj.適應(yīng)性強(qiáng)的；可修改的①Youshouldadaptyourselftothenewclassassoonaspossible.你應(yīng)該盡快適應(yīng)新班級(jí)。②TheTVseriesisadaptedfromatruestory.這部電視劇由一個(gè)真實(shí)故事改編而成。名師點(diǎn)津adapt的形近詞為adoptvt.采納，采用，收養(yǎng)；adeptadj.熟練的；擅長的。[單句語法填空]①Hehastriedtoadaptlocalcustoms.②Thebest-sellingputergamehasbeenadaptedayoungeraudience.③TheTVseriesFantasyCityisan(adapt)ofGuoJingming'snovelofthesamename.④Iholdthefirmbeliefthatshewilldealwiththechangesverywell,becausesheisvery_____(adapt).[單句寫作]這部電影是由同名小說改編而成。Thisfilmthenovelofthesamename.13endup(尤指經(jīng)歷一系列意外后)最終處于，到頭來歸納拓展doingsth.以做某事告終with...以......結(jié)束（后接標(biāo)具體事物的名詞）endup+in...以......為結(jié)局（后接抽象名詞或表示地點(diǎn)的名詞）as...最終成為/變成......（后接表示身份、職務(wù)的名詞）adj.以......（狀況）告終①Ifyoudon'tknowwhatyouwant,youmightendupgettingsomethingyoudon'twant.如果你不知道自己想要什么，到頭來你可能得非所愿。②Atthedinnerweusuallybeginwithsoupandendupwithfruit.吃飯時(shí)我們通常第一道菜是湯，最后一道是水果。③You'llsoonendupindebtifyoukeeponspendingmoneythatway.如果你繼續(xù)那樣花錢，你很快就會(huì)負(fù)債。④Shehadalwayswantedtobeawriterbutendedupasateacher.她一直想當(dāng)作家，但最終成了老師。⑤Ifhecarriesondrivinglikethat,he'llendupdead.如果他繼續(xù)像那樣開車，早晚得死于非命。[單句語法填空]①Atfirsttheyhatedeachother,buttheyendedup(bee)goodfriends.②Ifyoutakethetimeandefforttodothis,you'llendupmorefriends.③Youwillendupprisonifyoucontinuetosteal.④Hestartedasanemployeeandendedupheadofthefirm.[單句寫作]①不幸的是，她所有的努力都以失敗告終。Unfortunately,allhereffortsfailure.②他一開始是個(gè)窮人，最后成為一位百萬富翁。Hebeganhislifeasapoormanandamillionaire.14pickup買，購買歸納拓展①WedrovetotheairportthenextmorningtopickupSusan.我們第二天早晨開車去機(jī)場(chǎng)接蘇珊。②It'seasytopickhimoutinacrowdbecauseheisverytall.因?yàn)樗麄€(gè)子很高，所以很容易在人群中認(rèn)出他。③Don'tpickoffanyoftheseflowers.這些花一朵也不要摘。[寫出下列句中pickup的含義]①Theydependonthegoodwillofvisitorstopickuprubbish.②HepickedupsomeEnglishwordswhilehewastravellinginEngland.③Itisatthehotelthatthecoachpicksuptourists.④WecanpickupItaliantelevision.⑤Heisbeginningtopickupaftertheoperation.學(xué)習(xí)效果隨堂演練Ⅰ.單詞拼寫1．The(食譜)tellsushowtomakedumplingsstepbystep.2．Itisveryimportanttokeepahealthy(生活方式).3．Allthepublic(官員)mustservethepeopleheartandsoul.4．Gently(擺動(dòng))yourrightarminaclockwisedirection.5．Addmore(蜂蜜)ifyouhaveasweettooth.6．Pleasetrysomeofthis(自制的)bread.7．Updatingmy(博客)hasbeeoneofmyhabits.8．A(廚師)isaprofessionalcook,especiallythemostseniorcookinarestaurant.9．Trademarkshelp(確定)theproducerofaproduct.10．Hehasimprovedhis(排名)thisseasonfrom10thto5th.Ⅱ.單句語法填空1．Whenyouswiminthesea,youcanfeelthatthewateris(salt).2．Thedestroyedbuildings(reconstruct)nowandtheyareexpectedtobefinishedintwomonths.3．ebytopickmeupatyour(convenient).4．Workhasbegunonthe(construct)ofthenewairport.5．hisparents'satisfaction,hegotfullmarksinthefinalexam.6．Inordertofinda(satisfy)job,wemusthavesometalentsthatcanbenefitthepany.7．Hecouldn'tresist(plain)abouthisdemandingboss.8．Youshouldadaptyourselfthenewenvironment.9．Theconferencewas(original)plannedtoopeninMarch.10．Theirmostvaluable(belong)werelockedinasafeinthebedroom.Ⅲ.選詞填空befamousfor;besimilarto;belongto;bringup;catchup;endup;hadbetter;moreorless;makeuseof;pickup1．Hebyhisgrandmother,soheisveryclosetoher.2．YoucaneasilysomeFrenchwordsifyoustayinFrance.3．Heboughtthehousetenyearsago,soithim.4．Saltsugarincolorbuttheyaredifferentintaste.5．Theoldfriendsspentsometimeoneachother'shealthandfamilies.6．Theresultwasthattheengineatthebottomofthecanal.7．Jinan,thecapitalcityofShandongProvince,itsspring.8．Thesizeofmynewschoolisthesamewithmypreviousschool.9．Youleaveatonceoryou'llmissthelastbus.10．Youshouldeveryminutetostudyhard.Ⅳ.單句寫作1．他們還太小，不明白發(fā)生了什么事。Theyarewhatisgoingon.2．在山腳下有一個(gè)小村莊。liesavillage.3．她對(duì)他接受批評(píng)的方式很滿意。Shethewayhehadacceptedhercriticism.4．今天如果你方便的話，請(qǐng)?jiān)诨丶业穆飞蠋臀亦]寄這封信。Iftoday,pleaseposttheletterformeonyourwayhome.5．我開始加速，我突然意識(shí)到我忘了該怎么停下來。Ibeganto，andsuddenlyIrealizedIhadforgottenhowtostop.我們的老師建議我們要定期鍛煉。Ourteacherremendsthat．B2U1Grammar(情態(tài)動(dòng)詞一)課前自主預(yù)習(xí)[觀察句子，總結(jié)規(guī)律]①...Iwasabletoholdaknifeandfork—andchopsticks!②ButtherearestillsomedishesthatDaddarenottryevenaftermanyyearsofmarriagetomymother.③MumandIjusthavetofindawaytogethimintothekitchen!④．..we'dbetternoteattoomuchroastfoodasitmaymakeussufferfromheatinsideourbodies,...⑤Youneedn'ttryitifyoudon'twantto,Mumsaid,...[我的發(fā)現(xiàn)]以上五個(gè)句子都使用了情態(tài)動(dòng)詞。(1)①句中的beableto意為“”。(2)②句中的dare意為“”。(3)③句中的haveto意為“”。(4)④句中的'dbetter為的縮寫，意為“”。(5)⑤句中的need意為“”。精講課時(shí)語法一、beableto的用法beableto意為“能夠，有能力”，不僅有時(shí)態(tài)、人稱和數(shù)的變化，而且還可以與某些系動(dòng)詞或情態(tài)動(dòng)詞連用(通常不與can連用)，甚至還可以有非謂語形式。Hehasn'tbeenabletogetintouchwithher.他一直未能聯(lián)系上她。Youmightbeabletopersuadehim.你也許能夠說服他。Ihopetobeabletodothework.我希望能勝任這項(xiàng)工作。Iregretnotbeingabletohelpher.我很遺憾未能幫到她。eq\a\vs4\al(易混辨析)can和beableto的區(qū)別can和beableto都可以表示能力，前者泛指一般的能力，只有兩種形式，即can,could；后者表示通過努力可以具備做成某件事的能力或?qū)崿F(xiàn)某種狀態(tài)，重點(diǎn)強(qiáng)調(diào)的是要有一個(gè)努力的過程。如：Icandriveacar.(我會(huì)開車)Iwillbeabletodrivethecarinaweek.(隱含著我努力一周后就能學(xué)會(huì)開車的意思)二、dare的用法dare既可作情態(tài)動(dòng)詞，也可作實(shí)義動(dòng)詞。1．dare作情態(tài)動(dòng)詞時(shí)，表示“敢，敢于”，后跟動(dòng)詞原形，常用于疑問句、否定句和條件句中。此時(shí)的dare沒有人稱、數(shù)和時(shí)態(tài)的變化，能單獨(dú)構(gòu)成否定和疑問。例如：Dareyouclimbthattree?你敢爬那棵樹嗎？Hedaren'tgotherebecauseitisverydangerous.他不敢去那里，因?yàn)槟抢锖芪ｋU(xiǎn)。2．dare用作實(shí)義動(dòng)詞時(shí)，有時(shí)態(tài)和人稱的變化，用do,does或did來構(gòu)成否定句或疑問句。Shedidn'tdaretosayaword,didshe?她一句話也沒敢說，是嗎？三、haveto的用法haveto意為“不得不”，有時(shí)態(tài)、人稱和數(shù)的變化，其否定形式為don't/doesn't/didn'thaveto。It'stoolate.Ihavetogohomenow.天色太晚了，我現(xiàn)在得回家了。Youdon'thavetofinishtheworknow.你沒有必要現(xiàn)在就完成這項(xiàng)工作。eq\a\vs4\al(易混辨析)haveto和must的區(qū)別haveto表示一種客觀的需要，而must表示一種主觀的需要。此外，must還表示“偏要”“非得”的意思。Ihavetoattendanimportantmeetingthisafternoon.今天下午我不得不參加一個(gè)重要的會(huì)議。Imustcleantheroombecauseit'sdirty.我必須要打掃一下房間，因?yàn)樘K了。四、hadbetter的用法hadbetter意為“最好”，后跟動(dòng)詞原形，常用來提出建議，或表示迫切地希望、警告等，語氣較強(qiáng)。其中動(dòng)詞had沒有人稱或數(shù)的變化。hadbett