What are you doing next summer?
I am ... (an activity).
Are you going to watch TV/Netflix/Youtube videos tonight? What?
Yes, I am. I'm going to watch... // No, I'm not.
What are you doing after class?
I am...
What are you having for dinner tonight?
I'm having ... (a food/dish).
Are you going to cook tonight? What?
Yes, I am. I'm going to cook ... (a food). // No, I'm not.
Are you going on holiday soon? Where?
Yes, I am. I am going to... (a place). // No, I'm not.
What are you going to wear tomorrow?
I'm going to wear...