Choose and circle the correct verb. 1) If I have had a lot of money, I will travel all over the world. 2) I will help you unless I am / was busy. 3) If you see / saw this film, you will know what it is about. 4) I will / would invite Peter to visit us if he is free. 5) What will / would you do if it rains? 6) If I knew / know the answer, I'll tell it to you.