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无敌英语语法(初级版)-第12章 4 would和should

分类: 英语学习方法 

would是will的过去式,Would you~?作为情态动词,表示“可以请你~吗?”

should是shall的过去式,作为情态动词时,则表示“应该~”。

1 would的用法(请记住以下几个句型)

Would you have a cup of tea?

可以请你喝杯茶吗?

1.Would you~?和Will you~?

这两个句型皆表示客气的请求、劝说……,但Would you~?更客气些。

Would you tell me the way to the station?

劳驾,您能告诉我去车站怎样走吗?

(回答同《Will you~?》句型)

2.主语+would like to~

表示“想要……”的意思上,与…want to~意思一 样,但用此句型较客气。

I want to ask you a question.

=I'd(I would)like to ask you a question.

我想问你一个问题。

3.Would you like~?

表示请求、劝说,是很客气的说法。

Would you like a cup of tea?

您愿意喝杯茶吗?

Would you like to sing a song?

请唱首歌好吗?

注意

I'd读为〔aid〕

=I would

=I should

=I had

2 should的用法

You should read this book.

你应该读这本书。

1.should(应当、应该)用于所有人称,与ought to~同义。

You should wait a little more.

=You ought to wait a little more.

你应该再多等一会儿。

2.在表示要求、命令时,语气是由should(应该)、

~had better(最好)、~must(必须)逐渐加强。

had better

had better相当于一个助动词,它后面要跟动词原形;had better只有一种形式,没有has,have better这一形式;它的否定式是在它后面加not。

You had better go now.你最好现在走。

He'd(=He had)better do it now.他最好现在做。

She'd better not cry.她最好别哭。

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