Which preposition to use with weren

in Occurrences 4%

And thanne in that contree, dwellen manye gode Cristene men, the whiche that laften hire godes, and wolde han fled in to Grece: and whan they weren in a playn, that highte Megon, anon this cursed emperour mett with hem, with his hoost, for to have slayn hem, and hewen hem to peces.

of Occurrences 3%

So there weren with us 2 worthi men, Frere Menoures, that weren of Lombardye, that seyden, that zif ony man wolde entren, thei wolde gon in with us.

with Occurrences 1%

So there weren with us 2 worthi men, Frere Menoures, that weren of Lombardye, that seyden, that zif ony man wolde entren, thei wolde gon in with us.

Which preposition to use with  weren