Grammar
Tense: Would have – To be

If they had not offered me a scholarship, I  able to afford college. (not)
He grateful for your help if you had assisted him with his car trouble.
able to solve the puzzle if you had not helped him? (he)
She  upset if she had discovered that her favorite book was missing
If I had known you were coming, dinner  ready when you arrived.
He late if his car hadn't broken down on the way to the meeting. (not)
If they hadn't taken immediate action, the damage from the flood, it  worse
She upset if she hadn't heard those hurtful comments. (not)
a failure if they had followed the instructions? (the experiment)