I (play) bridge tonight with Tom and Ann.
I am playing...
I'm going to play
He (to have) an operation next week.
He is having...
He is going to have ...
It's very cold. I (to light) a fire.
I'm lighting ...
I am going to light ...
We (to have) some friends to lunch tomorrow.
We are having ...
We are going to have ...
I've bought a piano; it (to be) delivered this afternoon. Where (to put) it? I (to put) in the dining room.
it is being ...; are you putting...; I am putting ...
it is going to be ...; are you going to put ...; I am going to put ...
You (to go) to the auction tomorrow? Yes, I (to go) but I (to buy) nothing.
Are you going...; I am going ... ; I'm not buying
Are you going to go...; I am going to go ...; I'm not going to buy