I don’t know why she didn’t call me. If she had, I’d have gone. ONLY If _______ called me, I’d have gone.

I would appreciate it if you could open the window. WILL I would appreciate it if you ___________ to open the window.

If you hadn’t delayed us, we’d have caught the train. FOR We’d have caught the train had_______ your delay.

I would never have known about the job if you hadn’t told me. FOR I would never have known about the job _______ you.

If you stop interrupting me, I’ll be able to finish. WILL If you _____________, I’ll be able to finish.

If I had studied harder, I’d be at university now. STUDIED Had ___________, I’d be at university now.

If you don’t mind, I’d like to leave a bit earlier. WILL If you __________, I’d like to leave a bit earlier.

You might fail the test if you don’t revise properly. SHOULD You might fail the test _______ to revise properly.

I didn’t go to the party because I wasn’t invited. WERE If I _______ to the party, I’d have gone.

I’m not you, but if I were, I’d apply for that position. PLACE If I _______ you, I’d apply for that position.

If the bus hadn’t been late, we’d be home by now. BEEN Were ____________ late, we’d be home by now.

I’m not rich, so I can’t afford that house. WERE If I ____________ afford that house.

If I had taken that opportunity, my life would be completely different now. WERE If I _______ that opportunity, my life would be completely different now.