Which preposition to use with immobile

in Occurrences 2%

"'Voir," the carpenter replied, still immobile in his chair by the door.

against Occurrences 1%

I found her confronting Monsieur Power, who was leaning in an attitude characteristically immobile against the landing carriage of his machine.

as Occurrences 1%

Then she passed on, her face as immobile as before in its setting of wavy gold hair.

under Occurrences 1%

To know him properly, one needs to see him at work in a country where sheep abound, to watch him adroitly rounding up his scattered charges on a wide-stretching moorland, gathering the wandering wethers into close order and driving them before him in unbroken company to the fold; handling the stubborn pack in a narrow lane, or holding them in a corner of a field, immobile under the spell of his vigilant eye.

with Occurrences 1%

Immobile with terror, he didn't respond to Zimbardo's command.

Which preposition to use with  immobile