English Grammar: Other Conditionals
1) Will Will
If + Will, + WillWhen trying to convince someone that you will do something in return for their doing something.
EG: If you'll walk the dog, I'll do the dinner.
2) Would Would
Would + If + Would
To be very polite, especially in writing:
EG: I would be very grateful if you would be so kind as to send me the forms as soon as possible.