Underline the incorrect verb form

B. VOCABULARY AND GRAMMAR
I. Underline the incorrect verb form.
I am playing/ will play tennis at 11.00 this morning.
Oh, I need to make a quick phone call.
OK. I am waiting/ will wait for you here.
We need to discuss this. Are you doing/ Will you do anything tomorrow?
Can you come for dinner on Saturday?
1.
2.
3.
4.
No, I'm sorry. We are going/ will go to the theatre.
5. In the future most people are working/ will work at home.
6. Well, I'm rather busy at the moment.
I am calling/ will call you back Ok?