Make the short form. 1. we are not going to the mountains.we aren`t going to the mountains. 2.i am not 3.they are not riding 4.it is not 5.you are not playing 6.he is not helping his

1. we aren't going to the mountains.we aren't going to the mountains.
2.I'm not dancing.
3.They aren't riding bikes.
4.It isn't flying.  
5.You aren't playing chess.
6.He isn't helping his mum.

1- не знаю
2.They aren't riding bikes
3.It isn't flying
4.you aren't playing chess
5.he isn't helping his mum