Grammar
Tense: Would have – Form

If he had taken the job offer, he (to move)to a new city by now.
I (to finish) the book, but I lost it before reaching the last chapter.
If they had practised more, they (to perform) better in the competition.
He (to apologize) if he had realized how much he hurt her feelings. 
I (to pass) the exam if I had studied all the chapters thoroughly.
She (to meet) us at the restaurant if her car hadn't broken down.
I (to choose) a different career path if I had known my true passion earlier in life. 

I (to know) about the party if you had not told me.
She (to achieve) her goals if she had not persevered through challenges. 
We (to miss) the flight if there hadn't been a traffic delay.
He (to understand) the concept if the teacher had not explained it clearly.

(it /make) a difference if I had explained the situation earlier? 
( he/to catch) the train if we had left the house on time?
(she / to complete) he project if she had received the necessary resources? 
 (they / to go) on the trip if they had known about the weather forecast?