Which preposition to use with opportune

for Occurrences 3%

"It has hardly been opportune for conversation," he admitted.

as Occurrences 1%

"So that nothing," says he, "could be so opportune as my making an immediate bargain with you.

by Occurrences 1%

He continues: "This occasion was unusually opportune by reason of ours having been victorious and immediately after the cry of our worthy chief which found an echo in this colony.

in Occurrences 1%

The revolution was so exceedingly opportune in the interests of the United States, and of the French concessionaires, that it is impossible not to suspect its instigation in these interests.

Which preposition to use with  opportune