He yawned suddenly, widely, like a young cat, then laughed.
For the good of the clan, he thought, yawning suddenly in the cool, mint-tanged air.
Diana suddenly yawned, and that set the others off.
He yawned suddenly, then laughed a little at himself.
He yawned suddenly, and she guessed that he had not been to bed.
The result was that the waiter yawned suddenly and woke up.
The mouth of the tube suddenly yawned before them.
She suddenly yawned, tried to repress it, couldn't, then shook her head.
She yawned suddenly, and blinked, eyes watering slightly in the sunlight.
The void surrounding us then suddenly yawns on every side.