Happy!!!

I'm very happy because my oldest son's basketball team played , the older, he participate in you the first game of an interschool championship and they won. that This is the prize that comes from practising every of practice and practide vevery day. I hope that they continue to play this well for the rest of the championship. all continue like that.

Congratulations to your son and his team!!  Although the meaning of your message was clear, I felt it necessary to rewrite a good part of it so it would sound better and help to get your message across to the reader.

Follow your son's example and keep practising your English writing.

Happy!!!

I'm very happy, mi son, the older  for my oldest son, he participated in you his first game of basquetball  basketball game interschool championship, and they win won, that is the prize of practice, he practidses vevery day, I hope that all will continue like that.