1. FIRST
   1. If+Present Tense + Future
2. SECOND
   1. If + Past Tense + would + inf
3. THIRD
   1. If+ Past Perfect + Perfect Conditional
4. If he runs , he will get in time
5. If I had a map I would lend it to You
6. If he had tried to leave the country he would have been stopped at the fronier