Yesterday we drew a horse. The children sang songs.
I made my homework on Sunday.
СДЕЛАТЬ ЭТИ ПРЕДЛОЖЕНИЯ ВОПРОСИТЕЛЬНЫМИ И ОТРИЦАТЕЛЬНЫМИ,

- Children did not sing songs.

? Did the children sing songs?

- I didn't do my homework on Sunday.

? Did I do my homework on Sunday?

(?) Did we draw a horse yesterday?
(-) we didn’t draw a horse yesterday

(?) Did the children sing a songs?
(-) The children didn’t sing a songs

(?) Did I make my homework yesterday?
(-) I didn’t make my homework yesterday