When the shade had dropped to its former level, it formed the background for a weird figure.

In other words, the root window forms the background of the screen.

Two images, one above the other, form the background.

The Soviet collapse, the gulf war and now the elections form the new background.

It is this movement that forms the historical background of Kellogg.

Moreover, the board has kept some details to itself, including critical questions about personal interactions that form the background of the disaster.

All this formed the background for the pilot's dream, his memory of what had happened to him.

Trees, shrubs, and vines form the background of your home's landscape.

It is not this that forms the background to the situation.

That is a factor that must form the background to any criticism we make.