*Can be used for plans, predication and events

I was not going to drink any coffee today, but now I am!

*IS/AM/ GOING TO +V CHANGES TO WAS/WERE GOING TO +V

I would beat thought England Italy, but they loss.

*WILL CHANGES TO WOULD

I was about to watch a film, but the electricity went off.

*AM/WERE ABOUT TO CHANGES TO WAS/WERE ABOUT TO

 

I knew you (are/were) going to be late today!

I (was/am) just about to call you when you rang!

I (am/was) having my haircut at 3, but it was cancelled