副词在句子中主要作状语,可以修饰动词、形容词、副词,有时修饰整个句子。
Unfortunately, he wasn't at home when I came. (修饰整个句子)
Luckily, she wasn't injured in the accident.(修饰整个句子)
Her pronunciation is very good.(修饰形容词)
I can hardly agree with you.(修饰动词)
He works terribly (quite) hard. (修饰副词)