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牛津实用英语语法 126 do用做普通动词

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do像have一样可用做普通动词,这时它就与do和did连用来构成一般现在时和一般过去时的肯定式和疑问式:

I do not do               do you do?                don't you do?

he does not do          does he do?               doesn't he do?

I did not do               did you do?                didn't you do?

等do可以用在进行式或一般式中:

—what are you doing(now)?

—I'm doing my homework.

—(现在)你在做什么?

—我在做家庭作业。

What's he doing tomorrow?

他明天要做什么?(最近将来)

What does he do in the evening?

他平时晚上做什么?(习惯)

—Why did you do it?

—I did it because I was angry.

—你是为什么这么干的?

—因为当时我生气。

How do you do?是经过介绍之后双方互致的问候语:

Hostess:Mr Day,may I introduce Mr Davis?Mr Davis, Mr Day.

女主人:戴先生,让我来介绍戴维斯先生。这位是戴维斯先生,这位是戴先生。

两位先生这时都说:

How do you do?

您好。

原先这是问候对方健康的话,现在仅用为介绍场合中的公式化的问候语。

do的其他用法如:

He doesn't do what he's told.

他不按照告诉他的去做。(不服从命令)

—What do you do for a living?

—I'm an artist.

—你是做什么工作的?

—我是个画家。

How's the new boy doing?

新来的男孩这两天怎么样?(进展)

—I haven't got a torch. Will a candle do(= be suitable/adequate)?

—A candle won't do. I'm looking for a gas leak.

—我没有手电筒。蜡烛行吗?

—蜡烛不行。我要查找煤气泄漏的地方。

—Would £ 10 do(= be adequate)?

—No,it wouldn't. I need £ 20.

—十英镑行吗?(是否足够)

—不够,我需要20英镑。

to do with(只限于动词不定式)有“有关系”的意思。主要用于 it is/was something/nothing to do with+名词/代词/动名词结构:

It's nothing to do with you.相当于:

It doesn't concern you.

这跟你没关系。

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