1. I regret not having accepted your advice.

2. Have you finished painting the windows？

3. Would you mind shutting the door？

4. She found it useless arguing with him.

5. He enjoys listening to music.

这些句子展示了动名词在英语中的多种用法，包括在动词后面作宾语的情况。希望这些例句能帮助你更好地理解和掌握动名词的用法。