Ответ:

1.Affirmative: He is going to play in a big tournament next week. Negative: He isn't going to play in a big tournament next week.

2.Affirmative: We are going to get tickets for the final. Negative: We aren't going to get tickets for the final.

3.Affirmative: They are going to do some training today. Negative: They aren't going to do some training today.

4.Affirmative: I am going to have a rest from competition. Negative: I am not going to have a rest from competition.