first
If I _____ (have) time, I'll see you.
If I have time, I'll see you.
If I _____ (have) time, I would see you.
If I had time, I would see you.
If I _____(have) time, I would have met you.
If I had had time, I would have met you.
If I _____ (study) hard, I'll pass the exam.
If I study hard, I'll pass the exam.
If I _____ (study) hard, I would pass the exam.
If I studied hard, I would pass the exam.
If I _____ (study) hard, I would have passed the exam.
If I had studied hard, I would have passed the exam.
If it _____ (rain) tomorrow, we will cancel the trip.
If it rains tomorrow, we will cancel the trip.
If it _____ (sunny) now, we would go camping.
If it were sunny, we would go camping.
If it _____ (rain) yesterday, we would have gone camping.
If it hadn't rained yesterday, we would have gone camping.
What will you do if you _____ (have) enough money?
What will you do if you have enough money?
What _____ (do) if you won the lottery?
What would you do if you won the lottery?
I _____ (got lost) if I hadn't met you then.
I would have gotten lost if I hadn't met you then.
If you walk to the station, it _____ (take) you about an hour to get there.
If you walk to the station, it will take you about an hour to get there.
I wouldn't say that if I _____ you.
I wouldn't say that if I were you.
You wouldn't have been in trouble if you _____ (take) my advice.
You wouldn't have been in trouble if you had taken my advice.