1 We are doing our homework now. (Мы делаем домашку сейчас)
We aren't doing our homework now.
Are we doing our homework now?
2 It is snowing. (Идёт снег.) It isn't snowing. Is it snowing?
3 My sister is watching TV. (Моя сестра смотрит телек.) My sister isn't watching TV. Is my sister watching TV?
4 My friends are listening to music. (Мои друзья слушают музыку.) My friends aren't listening to music. Are my friends listening to music?
5 I am eating a chocolate bar now. (Я сейчас ем шоколадный батончик.) I'm not eating a chocolate bar now. Am I eating a chocolate bar now?