情态动词will和would的用法总结

情态动词will和would的用法总结

(would可以看作是will的过去式,这两个词除了时态不相同外,在表达意思的许多方面是相近的。当然will 和would又都有一些各自不同的独特用法。)

1)用于第二人称疑问句,表示请求(在这种用法中would使语气更为客气、委婉)

Will you tell her that I'll be back in twenty minutes?

请告诉她我二十分钟后回来,好吗?

If you want help, just let me know , will you?

你需要帮助就告诉我,好吗?

Won't you come in and have a little whisky?

你要不要进来喝一点儿威士忌?(或是:你进来喝一点儿威士忌,好吗?)

Would you tell me how to get to the shopping center?

您能告诉我怎么去购物中心吗?

2)用于表示愿望

Go where you will .去你想去的地方吧。

I will pay you at the rate you ask.我会按你要的利率付给你钱的。

He wouldn't let the doctor take his blood pressure.他不愿意让大夫给他量血压。

They had to obey whether they would or not.他们不得不遵从他们的意愿。

3)表示习惯、倾向(可译成"总是会、老是,等" )

Sometimes the cat will lie there all afternoon.

有时侯,那只猫总是整个下午都躺在那儿。

Oil and water will not mix .油和水决不能调和。

He would sit there for hours , doing nothing at all.

他总是在那儿一坐就是几个小时,什么都不干。

4)表示猜测(可译成"一定是……、想必……，等" )

This will be the house you're looking for .这想必就是你要找的房子吧。

He will have gone back to New Zealand .他一定是回新西兰去了。

The person you mentioned would be the father , is that

right?

你说的那个人一定是爸爸了,对吗?

That would be in 1999 , I think .那大概是在1999年吧。

5)will用于表示决心(可译成"一定要,决心,等" )

We will never talk about that subject again.

我们决不会再谈论这个话题了。

I will make this computer work even if I have to stay up all

night.

我即使整晚不睡觉也一定要让这台计算机工作起来。

6)would常用于虚拟条件句,表示与事实相反或不太可能实现的情况

But for your help we would have been late .要不是你帮忙我们就迟到了。

Well , I wouldn't worry about it . It won't do me any good.

好了,我不会担心那件事的,因为它不会给我带来什么好处。

can, could, may, might, must 表示推测的用法

作者: admin来源: 网络文章时间: 2013-03-02

1）情态动词+动词原形。

表示对现在或将来的情况的推测，此时动词通常为系动词。

I don't know where she is, she may be in Wuhan.

2）情态动词+动词现在进行时。

表示对现在或将来正在进行的情况进行推测。

At this moment, our teacher must be correcting our exam

papers.

这时，我们老师想必在批改试卷。

3）情态动词+动词完成时。

表示对过去情况的推测。

We would have finished this work by the end of next December.

明年十二月底前我们很可能已完成这项工作了。

The road is wet. It must have rained last night.

地是湿的，昨天晚上一定下雨了。

4）情态动词+动词的现在完成进行时。

表示对过去正在发生事情的推测。

Your mother must have been looking for you.

你妈妈一定一直在找你。

5）推测的否定形式，疑问形式用can't, couldn't表示。

Mike can't have found his car, for he came to work by bus this

morning.

迈克一定还没有找回他的车，因为早上他是坐公共汽车来上班的。

注意：could, might表示推测时不表示时态，其推测的程度不如can, may。

情态动词need和dare的用法和例句

作者: admin来源: 网络文章时间: 2013-02-23

一、情态动词need：

need只有在疑问句和否定句中可用作情态动词，表示“需要”：

Need we answer this letter?

这封信我们需要回吗?

So I needn’t tell him，need I?

所以我无需告诉他，对吧?

We needn’t worry．

我们无需发愁。

You needn’t have mentioned it．

这事你是不必提到的。

Need I come?一Yes，you must?

我需要来吗?一你一定要来。