1) Is your mother watching TV?-Yes, she is.
2) Are you plaing chess?-No I am not.
3) Are penguins seeing fish?-Yes, they are.
4) Are we going to school?-No, we are not.
5) Пятое предложение некорректно написано.
6) Is the cocidile swimming in the water?-No, he is not.
7) Is your sister riding a bike?-Yes, she is.
8) Is grandmother reading a book?-No, she is not.
9) Are you sailing?-Yes, I am.
10) Is Kolya riding a water-skis?-No, he is not.
Обращайтесь! ;)
Если хочешь, чтобы я 5 предложение перевела, то напиши, пожалуйста, правильно :)