1. On Saturday morning I am taking part in a competition.
2. After school I am going to my grandparents.
3. On Saturday evening I am watching a competition.
4. On Sunday morning I am getting up late.
5. In the afternoon I am going to school.
6. In the evening I am playing chess.
Это все запланированные действия на будущее, следовательно-длительное время.