按要求改句子1Ann does her homework in the evening.（否定）2his brother works hard at his lessons.(一般否定）

Ann doesn't do her homework in the evening.
his brother doesn't work hard at his lessons.

1.Ann doesn't do her homework in the evening.
2.his brother doesn't work hard at his lessons.
就是搞清楚主语，是第一人称第二人称用don't,第三人称用doesn't.
记得采纳哦~

1Ann doesn't do her homework in the evening.
2 His brother doesn't work hard at his lessons

1Ann doesn't do her homework in the evening.
2 His brother doesn't work hard at his lessons.

1Ann doesn't do her homework in the evening
2his brother doesn't work hard at his lessons.

Ann doesn't do her homework in the evening.
His brother doesn't work hard at his lessons