Will / Be Going To / Present Continuous: I can't eat anything today. I _____ (have) an appointment at the hospital tomorrow.
I'm having
Will / Be Going To / Present Continuous: Not at five o'clock! Look at the diary. We _____ (meet) Mr. Clark at three o'clock.
we are meeting
Will / Be Going To / Present Continuous: A: Are you planning any summer holiday? B: I don't know yet. Perhaps I _____ (stay) at home.
I'll stay