His head sank forward, and he seemed to be looking up at her.

Her head sank forward, and it looked as if she had passed out.

She had sunk forward, as if too tired to go on.

I made one more attempt to pull my gun free and sank forward.

Then she sank forward and her head went under.

Tears welled in her eyes and she sank forward against him.

The head sank forward, resting across one of the forelimbs.

His head also was sunk forward as if he were lost in thought or overcome with deep dejection.

Exhausted by the effort, his head sank forward again.

The seaplane sank forward on to the body of the floats, bit down into the water, and came to rest.