He _______ (be) at a business meeting at 2:00. It's now 2:15 and he's calling to say that he'll be late.
He was supposed to be at a business meeting at 2:00.
Sorry, i _____ (call) you back last night, but i didn't get home until late
Sorry, i was going to call you back last night, but i didn't get home until late
I _____ (sell) my car, but no-one wanted to buy it.
I was going to sell my car, but no-one wanted to buy it.