This kind of structure makes it hard to tell when "now" is in Catch-22.

Have you ever seen stone with that kind of structure before?

He started back toward his store, thinking about what kind of structure might suit him best.

It was not the kind of structure produced by a modern computer.

We didn't expect there to be any kind of structure supporting the thing at all.

They had not seen any kind of structure since leaving the tower.

"In today's world, you almost have to provide this kind of structure to do it."

In any case, what kind of structure will this training foundation have?

The need for some kind of stable, federal structure is obvious.

There was every kind of structure needed for a small city, though all were temporary.