42.计量表达法：数量+单位+形容词。Thebuildingistwentymeterstall./Thestreetisfortymeterswide.Thefishisfivekilosheavy./Thisbabyisonlysixmonthsold.若计量表达的后面跟有名词，则要用连字符，单位不用复数。Theyduganeight-meter-deephole./.Iboughta10-kilo-heavyfish.It’sapieceof2-meter-thickice./Theybuilta50-meter-widestreet.It’satwo-monthholiday.(此处计量中的形容词long可省略。)43.MustI/MayI/NeedI⋯?用法：1MustI⋯?我必须⋯吗？A:MustIfinishthework?B:Yes,youmust./No,youneedn’t.2MayI⋯?我可以⋯吗？A:MayIgooutforawalknow?B:Yes,youcan./No,youmustn’t/can’t.3NeedI⋯?我有必要⋯吗？A:NeedIcleanthehouse?B:Yes,youmust./No,youneedn’t.44.hundred/thousand/million/billion:前有具体数字，不加s及of.否则加s,加of.如：thousandsoftrees;manymillionsofpeople.ninehundredpeople,tenthousandstudents等。但前若有several,后常不加s和of：severalmillionpounds45.反意疑问句(QT)部分用法:1something,nothing,anything,everything作主语，QT主语用it.Somethingiswrong,isn’tit?/Nothingisdifficult,isit?2IthinkLucycandowellintheexam,can’tshe?Idon’tthinkhewillcomehereontime,willhe?QT要结合think后的从句而定。3祈使句的QT一般用willyou?而Let’s⋯用shallwe?Getupnow,willyou?Don’tbenoisy,willyou?Bequiet,willyou?Pleasedon’ttalk,willyou?Letusdoitnow,willyou?Let’sdoitnow,shallwe?4Therebe句型，QT主语用there.Thereisamanworkinginthefield,isn’tthere?ThereusedtobeameetingonFriday,didn’tthere?Therewon’tbeamovieinthetheatre,willthere?46.puton,wear,dress,in:1puton,“穿上”后接物。表行为，是短暂动词。Youshouldputonyourcoatwhenyouleave.2wear,“穿，穿着”后接物，表状态，是延续性动词。Healwayswearstheyellowsweaterinwinter./Ilikewearingbeautifulclothes.3dress,“给⋯穿衣”后接人。Youcandressyourself,baby.Lucyisdressingherlittlebrothernow.bedressedin后常接具有某种特征的衣物。Theladyisdressedinawhiteskirt/white.可直接加表颜色的词。4in,“穿着”后接具有某种特征的衣物，表状态，是介词，不可作谓语，可作状语。Thewomaninawhiteskirtismyteacher.Doyouknowthegirlinaredcoat?I’veseentheboyinyellow.47.虚拟语气部分用法：在非真实条件句中要用虚拟语气，即if从句中用一般过去时，而主句动词用would/should+动词原形，表示与现在相反的主观设想，也可以表示在说话人看来实现的可能性很小的情况。（注意：虚拟语气中的be动词都要用were.）Iftherewerenoair,peoplewoulddie.(与现在事实相反)IfIgotrich,Iwouldtravelaroundtheworld.(可能性很小)48.other/others/theother/theothers/another:1如果不特定指出哪一个，是泛指，“另一个”要用another,后加可数名词单数。Ifyouarestillthirsty,youmayhaveanothercupoftea.（没特定指出哪一杯茶，是泛指。cup是单数。）another也可+数字+可数复数：Themeetingwilllastanothertwohours./Weneedanothersixdesks.2如果只有两个或只有两部分，就给出了范围，其中另一个或另一部分是特指(other前有the.)，有如下用法：第一种，所说内容只有两个：Mrs.Greenhastwosons,oneisinterestedinmath,theother(one/son)isgoodatscience.【只有两个，用theother,不加s,后面名词可省略。】又如：Thispairofshoesisstrange.Oneisblue,yettheotherisgreen.这双鞋子很怪，一只蓝色，而另一只绿色。第二种，只有两部分：此种情况下theother后接可数名词复数，或不接名词而只在theother后加s.Twofifthsofthestudentsinourclassareboys,theotherstudentsaregirls/theothersaregirls.Twochildrenwent,buttheothersstayed.（其他孩子都留下了。）3如果没有显示出只有两部分，未给出范围，则是泛指，不加the.LeiFenglikedhelpingotherpeople/others.Haveyouanyotherquestions?Alicedidn’tlikethatdress,sosheaskedtoseesomeothers.4other的另一用法：用比较级的形式，...
