I DIDN'T KNOW YOU WERE COMING, SO I DIDN'T WAIT FOR YOU.A.HAD I KN...
61.
I didn't know you were coming, so I didn't wait for you.A.
Had I known you were coming, I would have waited for youB.
If I knew you were coming, I would wait for you.C.
Were I to know you were coming I would wait for you.D.
If I had known you were coming, I would wait for you.