I do my homework in the afternoon.

I don't do my homework in the afternoon.
Do you do your homework in the afternoon？

划线 in the afternoon
When do you do your homework?

否定句：i don't do my homework in the afternoon.
一般疑问句：do u do your homework in the afternoon?
对in the afternoon 提问:when do you do your homework?

(1)改为否定句:I don't do my homework in the afternoon.
(2)一般疑问句:Do I do my homework in the afternoon.
(3)划线:in the afternoon
划线部分提问:When I do my homework.