A sentence with impassive?

The man's face was impassive; whatever questions we asked, he would give nothing away.It's impossible to get through to her; she just remains impassive no matter what happens.The huge rock stands...

His impassive face, and the kind gray eyes, further stilled her agitation.

He sat motionless and impassive with his lips closed and his eyes glazed.

Those guards outside the palace are simply impassive.

When it has a subject, verb, punctuation, capitalization, a predicate, and a complete thought. A sentence is a sentence when it is handed down by a judge (or a magistrate).