Which preposition to use with imperative

of Occurrences 27%

Under the pretext that to diffuse a holy religion and useful knowledge was among the most imperative of duties, he prevailed on his obedient disciples to make war on the kindred tribe of Lamtuna.

in Occurrences 13%

"A friend of mine," he added, smiling kindly upon her, and turning, with something imperative in his eye, to the group.

than Occurrences 11%

His judgment, expressed with unusual directness and severity and enforced by experience, has become with his followers a tradition not less imperative than the most binding of their laws.

as Occurrences 10%

There was much more at stake than only justice to the negroes, imperative as was that consideration.

on Occurrences 10%

These visits are imperative on the merchants, if they are his imperial debtors, or even if they wish to maintain a friendly feeling with his government.

to Occurrences 5%

IN INFANCY.Infants are very susceptible of the impressions of cold; a proper regard, therefore, to a suitable clothing of the body, is imperative to their enjoyment of health.

for Occurrences 4%

In their own persons certain of these people possessed the qualities and the will which were imperative for the organization of the industry, the trade, and the finance that were to control the world for four generations, and produce that industrial civilization which is the basis and the energizing force of modernism.

with Occurrences 1%

From this modest germ is developed by a progressive growth the wide-spreading tree of morality: moral judgment, the moral imperative with its religious sanction, and ethical character.

about Occurrences 1%

There was something imperative about Nap just then.

Which preposition to use with  imperative