What'll

Nobody can foresee what'll happen.

What'll they think of next?

No one can tell what'll happen in the future.

It was raining today. What'll it be like tomorrow?

You never can tell what'll happen in the future.

He buys only what'll be useful for him.

What'll you be doing over the weekend?

What'll you do tomorrow?

What'll you do if you can't find enough food to feed your family?

If he doesn't come, what'll you do?