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1、个人收集整理勿做商业用途初中英语知识要点汇总（四）41.all/each/both/none/either/neither不定代词或形容词的用法：Allboys/AlloftheboysarefromChina。（all若接可数复数,谓语也用复数.)Allofthewaterispolluted。（若接不可数,谓语用单数.）Eachboy/Eachoftheboyshasadifferentbag。each接名词单数或接of+限定词+复数，其后谓语都用单数.Bothofthetwinsareclever.后面谓语用复数.Noneofth
2、estudentshas/havebeentherebefore.none+of+限定词+复数，谓语用单、复数都可。另见88。—Whenshallwemeet，SaturdayorSunday?—EitherdayisOK./EitherofthedaysisOK.谓语用单数.-Whenshallwemeet,SaturdayorSunday?—Sorry，Ihavetolookaftermymotherthesetwodays。Thatis,neithertimeisOK./neitherofthedaysisOK.谓语用单数。【al
3、l/each/none分别指三者或更多中的“都”/“每一个"/“没有一个".both/either/neither分别指两者中“都"/“任何一个”/“没有一个"】42。计量表达法：数量+单位+形容词.Thestreetistwokilometerslong.Thatboycanjumpfourmetersaway。（此处不用far,见49)Thefishisfivekilosheavy.Thestreetisfortymeterswide。Thisbabyisonlysixmonthsold.若计量表达的后面跟有名词，则要用连字符，单位
4、不用复数.Theyduganeight—meter—deephole./.Iboughta10-kilo-heavyfish.It’sapieceof2-meter-thickice./Theybuilta50-meter—widestreet.It’satwo-monthholiday。Sheisathree-childmother。(最后两句计量中省略了形容词)43。MustI/MayI/NeedI…?用法：MustI…?“我必须…吗？"A：MustIfinishthework?B：Yes,youmust./No,youneedn’
5、t。NeedI…?“我有必要…吗？”或“我需要…吗?"A：NeedIcleanthehouse？B:Yes,youmust。/No,youneedn’t.MayI…?“我可以…吗?”表示请求.个人收集整理勿做商业用途A：MayIgooutforawalknow？B：Yes，youcan./No，youmustn’t/can’t.44。hundred/thousand/million/billion:前有具体数字，这些词不加s及of。如：ninehundredpeople，tenthousandstudents等.这些词前若无具体数字，后
6、加s和of.如:thousandsoftrees；manymillionsofpeople；hundredsofcars；billionsofstars但前若有several，后常不加s和of：severalmillionpounds45.反意疑问句（此处用QT表示反意疑问句后一部分内容)的部分用法：something,nothing,anything，everything作主语，QT主语用it。Somethingiswrong，isn’tit?/Nothingisdifficult,isit?当主句中think的主语是第一人称时，QT
7、要结合think后的从句而定：IthinkLucycandowellintheexam,can’tshe?Idon’tthinkhewillcomehereontime,willhe？祈使句的QT一般用willyou?（包括letus…。.），而Let’s…用shallwe?Getupnow，willyou?Don'tbenoisy,willyou?Bequiet,willyou？Pleasedon’ttalk，willyou?Letusdoitnow，willyou？Don’ttalkinclass,willyou?Let’sdoit
8、now,shallwe?Let’ssingasong,shallwe?Therebe句型，QT主语用there.Thereisamanworkinginthefield,isn’tthere？Thereus
