He put his head to the left side of my face, and then to the right.

No one had ever put his head close to them.

She saw me looking, and I put my head down.

Then she put her head down, and got to work.

I got up and put my head in the open door.

Then he put his head on one side, and looked at me.

He put his head out and had a better look.

He put his head to one side and looked at me.

In other words, if I put my head down low enough he can't see me!

He put his head to the side as if thinking.