Once in a while, she looked up at the pretty clouds.
I looked up at the clouds and let her get on with it.
He looked at the small white clouds and thought: who was it?
She looked up at the clouds; they were turning dark.
The film started with children running through a meadow and looking at clouds.
The ones talking to themselves and shouting at the clouds have problems only they know.
"They've looked at the clouds, and they know exactly what is happening."
And all down the line of rows the people looked back at the clouds.
He looked at the clouds, trying to guess tomorrow's weather.
I looked out my window at clouds skating across the sky and thought of time going by.