二、由"how"引導的感嘆句："how"意為"多么"，用作狀語，修飾形容詞或副詞（被強調部分）。如果修飾形容詞，則句中的謂語動詞用系動詞；如果how修飾副詞，則句中的謂語動詞用行為動詞，這類句子的結構形式是：
例句：
Today we learnt how to use the new software.
今天我們學習了怎樣使用這個新軟件。
We need to evaluate how well the policy is working.
我們需要對這一政策產生的效果作出評價。
I'll show you how to load the software.
我給你演示一下如何裝入這套軟件。
Now let me see ─ how old is she now?
讓我想一想，她現在多大了呢？
What time did you get here?
你什么時候到達這兒的？
What in the world did they think they were doing?
他們到底認為自己在做什么？
Things ain't what they used to be.
現在情況不比從前了。
Call it what you will, it's still a problem.
不管怎么說，這仍然是個問題。