Clouds floated by, west to east, and I tried to think what they looked like.
There were even a few white clouds floating in the deep blue sky.
Great brown clouds had floated to the still heights of air before him.
I cannot see, father, how the clouds can float in the air if they are nothing but water.
When I tried to open it heavy clouds of darkness floated before me.
Later, the two clouds floated over a great sandy desert.
A cloud floated over the face of the moon, leaving the world in darkness.
Clouds of smoke from the great batteries floated down the river.
The clouds float so low and firm that you'd think you could sit on them.
We heard a click, and a white cloud was floating across the room.