二、由"how"引导的感叹句:"how"意为"多么",用作状语,修饰形容词或副词(被强调部分)。如果修饰形容词,则句中的谓语动词用系动词;如果how修饰副词,则句中的谓语动词用行为动词,这类句子的'结构形式是:
例句:
Today we learnt how to use the new software.
今天我们学习了怎样使用这个新软件。
We need to evaluate how well the policy is working.
我们需要对这一政策产生的效果作出评价。
I'll show you how to load the software.
我给你演示一下如何装入这套软件。
Now let me see ─ how old is she now?
让我想一想,她现在多大了呢?
What time did you get here?
你什么时候到达这儿的?
What in the world did they think they were doing?
他们到底认为自己在做什么?
Things ain't what they used to be.
现在情况不比从前了。
Call it what you will, it's still a problem.
不管怎么说,这仍然是个问题。