0 short form of it would: --
1 contraction of it would or it had: --
I think it'd be a good idea to wait and see how much money you've got left before you make any decisions.
"Where would you most like to be right now?" "Well, it'd be somewhere hot and sunny."
At that rate, it'd be two years before he had enough money to buy a car.
It'd be impossible to capture her beauty in a painting.