Условное предложение 1) if the weather ( to be ) fine, i (to go ) to the park 2) if it ( to rain ) , we ( to cancel -остановить) the trip 3)if they (to win) lottery, they (to travel ) a lot

1) If the weather is fine, I will go to the park. 
2) If it rains, we`ll  cancel  the trip.
3)  If they win lottery, they will travel a lot.