Here are 13 sentences describing future events using the specified tenses:
1. I am studying for my exam next week.
2. Scientists believe sea levels are rising dramatically by the end of the century.
3. Our family reunion is in July.
4. I will visit my grandparents on Saturday.
5. It looks like it will rain this afternoon.
6. I will help you with your homework tonight.
7. Will you pass me the salt, please?
8. If you don't leave me alone, I will report you.
9. My dog will bark whenever someone rings the doorbell.
10. By my birthday next month, I will have finished my training program.