shall用法

shall除在一般将来时中用于第一人称外，还有如下用法：1.表示征求意见或请求指示：•shall只表示“愿意按对方的指示去做”•may，might，can表示“征求对方的同意”，意为“行不行，好不好，可不可以”①ShallIcomein?（你要我进来吗？）②May/Might/CanIcomein?（我可以进来吗？）③ShallIbuythedictionary?（要我买那本字典吗？）④May/Might/CanIbuythedictionary?（我可以买那本字典吗？）2.用于二，三人称，表示意图，意志，允诺，命令，命运或必然结果等；但shall所表达的意志是说话人的意志，而非句子中主语的意志。在法律，条约，协定等文件中，shall表示义务，规定等。①Youshallhavealotofmoney.（意图）②Eachcitizenshallcarryhisidentificationcardwhentraveling.（规定）③Youshallarrivetherebeforesunset.（命令）④Youshallnotsmoke.（禁止）⑤Ifyoudon’tbehaveyourself,youshallbepunished.（威胁）⑥ThetaskshallbefinishedbySunday.（允诺）⑦Thedayshallcome.（决心）⑧Deathiscertaintoall;allshalldie.（命运）死必临万物，万物皆会死。⑨Whotouchespitchshallbedefiled.（必然结果）玩火者必自焚。•POWsshallnotbeill-treated.（法律用语）战俘不得受虐待。练一练1.---Whatdoesthesignoverthereread?---“Noperson___smokeorcarryalightedcigarette,cigarorpipeinthisarea.”（07四川）A.willB.mayC.shallD.must2.---What’sthename?---Khulaifi.____Ispellthatforyou?（06北京）A.ShallB.WouldC.CanD.Might3.---Theroomissodirty.___wecleanit?---Ofcourse.A.WillB.ShallC.WouldD.DoCAB练一练4.Heaskedmeforthisbookmanytimes.Pleasetellhimhe___haveittomorrow.A.mustB.mayC.shallD.bothBandC5.Ithasbeenannouncedthatthestudents___putonmasksbeforegoingtoschoolincasetheyareinfectedwithH1N1virus.A.shallB.willC.needD.mayDA