Which preposition to use with foret

en Occurrences 2%

La foret en flammes (The flaming forest) Traduit par Louis Postif.

in Occurrences 1%

Si foret in terris rideret Democritus, seu, &c. A satirical Roman in his time, thought all vice, folly, and madness were all at full sea, Omne in praecipiti vitium stetit.

Which preposition to use with  foret