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美联英语提供：英语语法-学英语必看英语语法手册(全)8

关于英语那些你不知道的事都在这里

http://m.meten.com/test/quwen.aspx?tid=16-73675-0

从句中(现在英语中还经常用can)。如：

Write is in simple language in order that everybody may understand it. 为了大家都看得懂，你要用简明的文字写。

He died，so that others night 1iye.他为了别人而牺牲了。

[注三] might加动词的完成式，可说明某一事情在过去没有实现并含有\劝告\甚至\责备\的意思。如：

You might have told me earlier.你本来可以早点告诉我的。 You might have been more careful.你本来可以多加小心。

[英语语法手册]情态动词－－have to have to

have to加动词原形

表示\不得不\、\必须\的概念。它比must更含有\客观条件使得必须如此做\的意思，并有较多的时态。如：

Mr. Johnson has to work very hard to earn a living.约翰逊先生为了谋生不得不拼命干活。

I had to leave the party early last night. I wasn't very well.昨晚我只得早点离开晚

会，我不大舒服。

We will have to get up very early tomorrow.我们明天必须起得很早。

I shall have to go to the clinic today for my bad cough.我咳嗽得厉害，今天必须去诊疗所看看。

[注]口语中的I have got to，you have got to等：I have to，you have to. Have I got to?和Do I have to?这两种疑问形式均可用。

[英语语法手册]情态动词--shall shall

shall作为情态动词用于第二、三人称

可表示说话人给对方的\命令\、\警告\、\允诺\、\威胁\等概念。如：

You shall do it，whether you want to or not. 不管你愿意不愿意，你必须做这项工作。(命令)

You shall have the book as soon as I finish it.这本书我一看完就给你。(允诺) You shall pay for it.你一定会受到惩罚的。(威胁) 在疑问句中，情态动词shall用于第一、三人称 表示说话人征求对方的意见或向对方请示。如： What shall I do now? 我现在该做什么? Shall we go for a walk? 我们去散步好吗? Shall he come tomorrow? 你要他明天来吗? [英语语法手册]情态动词--should should

情态动词Should表示\劝告\、 \建议 \时

这时should常译作 \应当\。如：

We Should learn about the computer and make full use of it.我们应该了解计算机并加以充分利用。

You should listen to the doctor's advice.你应当听大夫的话。 You should study the article care fully. 你应当细，心学习这篇文章。 should还可以表示 \预测\、\可能\

They should be here by now.他们现在可能到了。

The reference book should be in the reading-room.这本参考书可能在阅览室里。 should有时表示说话人的感情如惊奇、愤怒、失望等 Why should I go? 我干吗要去?(不满)

I am sorry that he Should be so obstinate.我很遗憾，他竟这样固执。(失望) It's strange that it should be so hot today.很怪，今天怎么这么热。(惊奇) should后跟动词的完成式时

这时句子指的是过去的事情。如果是肯定句，常说明某件事本应完成而未完成；如果是否定句，表示发生了不应当发生的事情.如：

You should have stopped at in red light. 你见了红灯本应该停车。

You Should not have gone back to work without the doctor's permission.你不应当未经医生许可就回去工作。

He Should have come earlier. 他应早一点来。 [英语语法手册]情态动词--will Will

情态动词Will

可用于各人称，表示 \意志\、\意愿\、\决心\、\允诺\等。如： I will try. 我愿一试。

I will do my best. 我一定尽力而为。

We will never do it again. 我们永远不会再做此事了。 Which will you fake?你要哪一个? Who will go with me? 谁愿和我一同去? will在疑问句中用子第二人称时

这时句子表示说话人向对方提出请求或询问。如：

Will you please explain the sentence once more?请你再把这个句子解释一遍好吗? Will you have western food or Chinese food，Mr. Smith? 史密斯先生，你吃西餐还是中餐?

Will you pass me the butter? 请你把黄油递给我好吗? 注意下面句中的won't亦表请求： Won't you come in ?请进来好吗?

[注一] 在条件状语从句中须用现在一般时表将来，但当will用作情态动词表意愿时，则亦可用于条件状语从句，如I'll be glad if you will come.(你如愿来，我将会很高兴)。

[注二]will在下面句子中 = I suppose(我猜想)或probably(大概)。如： This will be the room you are looking for. 这大概就是你要找的那个房间。 You will remember the story I told you the other day.你们大概还记得我那天给你们讲的那个故事。

[注三]will有时表示一种习惯动作或状态。如：

Water will boil at 100 degrees Centigrade.水总是在摄氏100度煮沸。

Boys will be boys.男孩子总是男孩子。

[英语语法手册]情态动词--would Would

是will的过去式，可用于各人称，表示过去时间的\意志\、\愿望\和 \决心\等。如： He declared that he would do everything to help us. 他说要尽一切可能来帮助我们。

I told peter that I would go along wit him.我告诉彼得我要跟他一块去。

All in e doctors and nurses told Dr. Bethune not to give his own blood to the wounded, but he wouldn't listen.和护士劝白求恩大夫不要把自己的血输给伤员，但是他不听。

would用来表示现在时间时

这时would不论是表达说话人本身的意志或向对方提出请求，均较will婉转。如： Would you tell us something about yourself? 请跟我们谈谈你自己好吗? Would you like to have a glass of wine? 你要喝杯酒吗?

Would you please tell me the way to the nearest bus-stop? 请告诉我去最近的公共汽车站怎么走好吗?

Would you mind helping me with my packing? 请你帮我打打行李好吗? [注]在日常会话中，I would like to和I should like to都可以说，I would like的简略式为I'd like。如：

I should (would) like to have a look at the new television set.我想看看这架新电视机。