副词在英语中主要用于修饰动词、形容词、其他副词以及整个句子，以提供关于动作方式、程度、时间、地点等方面的额外信息。以下是一些副词修饰动词的英语句子例子：

1. She sings beautifully.

2. He runs quickly.

3. They speak softly.

4. The dog barks loudly.

5. She writes neatly.

6. He finishes his work quickly.

7. The train arrived at the station slowly.

8. He speaks English very fluently.

9. The movie was quite interesting.

10. He works extremely hard.

这些例子展示了副词如何与动词结合，以增强句子的意义。副词的位置通常遵循一定的规则，但也可以根据句子的需要进行调整。例如，频度副词通常放在实义动词之前，而程度副词则放在所修饰的形容词之前。了解这些规则有助于更好地理解和构造英语句子。