嘉兴英语教学网 www.jxenglish.com 收集整理 欢迎使用 You shall have a lot of money. (意图/允诺)你会有很多钱的。 Each citizen shall carry his identification card when travelling.(规定) 旅游时每个市民务必带上身份证。
You shall arrive there before sunset. (命令)你们要在日落前到达那儿。 If you don't behave yourself, you shall be punished. (威胁) 如果你行为不轨的话，你会受到惩罚的。
The task shall be finished by Sunday. (允诺)任务会在星期天前完成的。 He shall get what he deserves. (警告)他会得到他应该得到的。 Death is certain to all; all shall die.(命运)死必临万物；万物皆必死。 Better days shall soon follow. (预言)好日子不久会来到。
The time shall come when they shall be avenged. (意志)为他们伸冤的时候会来的。 Who touches pitch shall be defiled. (必然结果)玩火者必自焚。 POWs shall not be ill-treated. (法律用语)战俘不得受虐待。
The new regulation shall take effect on May the first. (规定)新章程自五月一日起实施。 练习题：
?It has been announced that candidates_______remain in their seats until all the papers have been collected.
A. can B. will C. may D. shall
?Haven`t I told you already that you_______have my answer tomorrow morning ? A. will B. shall C. should D. would ?Nobody_______throw away rubbish everywhere!
A. can B. need C. shall D. must 5. will
⑴表示意愿或固执坚持。用于非人主语时，表示固有性质，倾向。 She won't lend me the money.她不愿把钱借给我。
He is the man who will go his own way.他是一个自行其事的人。 The window won't open.窗子打不开。 The door won't shut.门关不上了。
⑵在含有if从句的主从复合句中，如果if引导的条件状语从句表示的是一般将来时或过去将来时，
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嘉兴英语教学网 www.jxenglish.com 收集整理 欢迎使用 不能用will或would ,而要用一般现在时或一般过去时来代替。 If you don't come here , I will go to find you. 但是will可以用在if从句中表示各种“愿望”，包括“请求，意愿，拒绝，同意，允许，能够，
坚持，选择，计划”等。
If you will come into the hall, the meeting will begin soon. （请求）请到大厅里来，会议马上开始了
If you will make another try ,I shall do everything possible to help you. (意愿)如果你愿意再试一次的话，我愿近一切可能帮助你。 If he won’t go with you, I shall ask somebody else. (拒绝)如果他不肯同你一起去的话，我将另找人。 If you will agree with me, I shall tell you everything about it. (同意)如果你同意我的观点，我将把一切都告诉你。 If you will come late again, I shall let you in. (允诺)如果你答应不再迟到，我就让你进去。 If anyone will find a cure to the disease, it will be a winder. (能够)如果有人能够治好这种病，那将是一个奇迹。
If you will do it like that, you will fail.（坚持）坚持那样做，你就会失败。 If you will buy bread, I shall buy beer. (选择)如果你买面包，我就买啤酒。 If you won't lend money to him, please let me know. (计划)如果你不打算借钱给他，让我知道。 另：下面句子中的will表示“难免”。 Accidents will happen.事故难免会发生。 Boys will be boys.男孩子总是男孩子。
⑶will可以用来表示某些根据自然规律必定会发生的事情，并且此时可以用一般现在时来代替它。
Oil will float on water.油能在水上漂流。
If the pure water is heated to 100°Ｃ , it will boil(可以用boils). 如果纯净的水加热至100°Ｃ，它就会沸腾。 Stainless steel will not rust.不锈钢是不会生锈的。
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嘉兴英语教学网 www.jxenglish.com 收集整理 欢迎使用 Matches will not strike if they are damp.火柴如果潮湿，就划不着。 练习题：
?Only in summer________.
A.will the ice melt B. the ice will melt C. the ice can melt D. the ice melts ?If you_______wait a moment, I′ll go to see if Mr.Johns is free. A. shall B. will C. would D. need 6. need
⑴作为情态动词时主要用在否定句和疑问句中，但是也可以用在用条件的肯定句中，这个条件是：肯定句中必须含有某些含某种否定含义的词语，例如only ,but ,all, before等或者说句子中暗含某种否定含义。
One need only consider the facts.否定含义是：只需考虑这些事实，不必去做别的事。 He need do it but once.否定含义是：他不必做两次以上。 All he need do is state his opinion clearly.
否定含义是：只要清楚地陈述自己的观点，他不必做任何事。 练习题：
To become a member of the civic association, one need only attend three meetings, and ________ his fees regularly.
A. pay B. to pay C. paying D. paid ⑵didn't need to 和needn't have done 的区别：
前者表示没有必要做实际上也没有做某事，后者表示做了不该做的事情。 They didn't need to come here.他们不必来这儿（实际也没来）。 They needn't have come here.他们本来不必来这儿（但是实际来了） They did not need to arrive so early.他们不必很早到达。
She was too nervous to reply ,but fortunately she did not need to say nothing. 她紧张的无法答话，但是幸运的是她什么也不需要说。 You needn't have told them that.你本不必把这件事情告诉他们。 练习题：
①You ______such a long essay ,the teacher only asked for 300 words,and you have written 600 words.
A. mustn't have written B. needn't have written C. didn't have to write D. didn't need to
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嘉兴英语教学网 www.jxenglish.com 收集整理 欢迎使用 write
②You______all those calculations !We have a computer to do that sort of thing. A. mustn't have done B. must not have done C. shouldn’t have done D. can not have done
7．may / might well＋动词原形或may/ might as well＋动词原形
May /might well＋动词原形意思为“理应，有足够的理由”；may / might as well ＋动词原形 意思为“还不如，不妨，还是…的好”，表示某人应该做某事，因为没有更好的事、没有更有趣的
事或没有更有用处的事可以做。May as well 可能比might as well 更加肯定一点。 He may well be proud of his son.他大可以他的儿子为荣。 She may well say so.她说的对。（有足够的理由这样说）
It is very late ,so you may / might as well go to bed.夜深了，不妨去睡吧. We may / might as well have something to eat.我们还不如吃点东西。
You may / might as well repeat the experiment.你还是把这个实验重做一遍为好。 注：may / might (as) well 的否定式是may / might （as）well＋not. 练习题：
①Since she is angry , we_______her alone.
A. had better leaving B. should leave C. might as well leave D. had rather leave 8. should
⑴可以表示估计或推测上的′应该`，还可以翻译成可能，该，估计，按理应当等等。 The report is written after careful investigation, so it should be reliable. 这份报告是经过周密调查写成的，所以该是可靠的。 So far so I know you shouldn’t have any problems there. 据我所知，你们在那儿不应该有什么麻烦。
They should be there by now ,I think.我想他们现在该到那儿了。
⑵表示惊讶，不以为然等情绪，用于某些句型中，多译为′竟然`；经常用于疑问句和感叹句中表示
意外，惊异等情绪，常和疑问词（why , how , whom，what）连用，而且疑问句不必回答。 I think it is dreadful that anyone should be so miserable.我想非常糟糕，每个人都竟然如此悲伤。 It seems unfair that this should happen to me.这种事情竟然发生在我的身上，好像不公平。
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嘉兴英语教学网 www.jxenglish.com 收集整理 欢迎使用 You can’t imagine that such a good student like him should fail in the exam. 你无法想象像他这样如此好的学生竟然在考试中失败了。 Why should I fear? 我会害怕？（=I don’t fear at all.）
What should I see but misery? 所见皆是一片凄惨。(=I could see nothing but misery.) Should you be so silly? 你会这么傻吗？（=You are not so silly.）
I was thinking of going to see John when who should appear but John himself. 我还想着去看约翰，想不到约翰来啦。
It is a marvel that she should have survived the disaster.她竟从那场灾难中幸存，真是个奇迹。 I can’t bear that he should speak ill of me.他竟说我的坏话，我难以忍受。
I consider it a good joke that he should marry such a woman.他竟然同这样一个女子结婚，真是个笑话。
That he should speak to you like that is quite astonishing.他竟然这样对你说话，实在让人吃惊。 练习题：
?-----When can I come for the photos ? I need them tomorrow afternoon. -----They_______be ready by 12:00.
A. can B. should C. might D. need ?You cant imagine that a well-behaved gentleman _______be so rude to a lady. A. might B. need C. should D. would
巩固练习
1.------\ -------\ A. mustn't
B. needn't
C. mightn't
D. won't
2. You _________ do the exercise if you don't want to. A. may not B. can't
C. mustn't
D. needn't
3. You _________ pay more attention to your spelling next time. A. would B. should
C. will
D. shall
4. The girl _________ out alone at night.
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