shall用法.ppt

shall 除在一般将来时中用于第一人称除在一般将来时中用于第一人称 外，还有如下用法：外，还有如下用法：1.表示征求意见或请求指示：表示征求意见或请求指示：shall只表示只表示“愿意按对方的指示去做愿意按对方的指示去做”may，might，can表示表示“征求对方的同意征求对方的同意”，意，意为为“行不行，好不好，可不可以行不行，好不好，可不可以”Shall I come in?（你要我进来吗？）（你要我进来吗？）May/Might/Can I come in?（我可以进来吗？）（我可以进来吗？）Shall I buy the dictionary?（要我买那本字典吗？）（要我买那本字典吗？）May/Might/Can I buy the dictionary?（我可以（我可以买那本字典吗？）买那本字典吗？）2.用于二，三人称用于二，三人称，表示意图，意志，允诺，表示意图，意志，允诺，命令，命运或必然结果等；但命令，命运或必然结果等；但shall所表达的所表达的意志是说话人的意志，而非句子中主语的意意志是说话人的意志，而非句子中主语的意志。志。在法律，条约，协定等文件中在法律，条约，协定等文件中，shall表表示义务，规定等。示义务，规定等。You shall have a lot of money.（意图）（意图）Each citizen shall carry his identification card when traveling.（规定）（规定）You shall arrive there before sunset.（命令）（命令）You shall not smoke.（禁止）（禁止）If you dont behave yourself,you shall be punished.（威胁）（威胁）The task shall be finished by Sunday.（允诺）（允诺）The day shall come.（决心）（决心）Death is certain to all;all shall die.（命运）（命运）死必临万物，万物皆会死。死必临万物，万物皆会死。Who touches pitch shall be defiled.（必然结果）（必然结果）玩火者必自焚。玩火者必自焚。POWs shall not be ill-treated.（法律用语）（法律用语）战俘不得受虐待。战俘不得受虐待。练一练 1.-What does the sign over there read?-“No person _ smoke or carry a lighted cigarette,cigar or pipe in this area.”（07四川）四川）A.will B.may C.shall D.must 2.-Whats the name?-Khulaifi._ I spell that for you?（06北京）北京）A.Shall B.Would C.Can D.Might 3.-The room is so dirty._ we clean it?-Of course.A.Will B.Shall C.Would D.DoCAB练一练 4.He asked me for this book many times.Please tell him he _ have it tomorrow.A.must B.may C.shall D.both B and C5.It has been announced that the students _put on masks before going to school in case they are infected with H1N1 virus.A.shall B.will C.need D.mayDA