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高中英语语法新体验——从经典例句开始
1.6.12.2 2.作非推测性用法的情态动词的四个句法特征

2.作非推测性用法的情态动词的四个句法特征

以下四个句法特征是作非推测性用法的情态动词的基本特征。

(1)其后的不定式为一般形式时,通常使用静态动词(be最为常见)。

Then Chinese must have the largest number of speakers.

那么讲汉语的人群一定是最多的。

Even the blindest person must see that the emperor has nothing on.

就是最瞎的人也能看出皇帝什么也没有穿。

He must be there.

他准是在那儿。

He must understand that.

他一定是懂了。

—I don't think I know you.—No,you wouldn't(knowme).

——我想我不认识你。——是的,你不会认识我的。

(2)其后的不定式可采用完成式/完成进行式。

I must have been asleep.(人教大纲版高二上第79页)

我当时准是睡着了。

He might have been hurt.

他或许受了伤。

You must have been worrying about his health.

你准是在替他的健康担忧。

I must have been sleeping when you called last night.

你昨晚打电话的时候我一定是睡着了。

(3)可用于there be存在句。

There might be a mistake.

肯定是出错了。

There must have been a lot of changes in your home village.

你们村子肯定变化很大吧。

(4)主语可以是无生命的物体。

It must be George.

准是乔治。