Use INVERSION to make this conditional more formal: If he remembers his own name, we might be able to help him.

Given the choice between being the most intelligent person in a world populated by idiots, or exceedingly ignorant in a world filled with people much smarter than you, which would you choose and why?

If I were to give you the opportunity to know when you would die or how you would, which option might you choose?

If he had taken a map with him, perhaps he wouldn't have got lost. (Rephrase beginning with "Had ....)

Use INVERSION and WERE to make this conditional more formal: If he pushed the button, we'd all have problems.

Say you had been born 5 year earlier, how might your life have been different?

If you had found €200 on the ground today, what would you have done with it?

Supposing you could only eat one meal for the rest of your life, which would it be?

If your house was on fire and you could only save one thing, what would it be?

If you were forced to spend a year on a desert island with just one member of your family, who would it be?