[*] 2432. After a negative clause πρίν means until, and usually takes the indicative (of definite time), the subjunctive or optative (of indefinite time). a. The subjunctive or optative is never used with πρίν unless the principal clause is negative. b. When the principal clause is negative, πρίν is construed like ἕως and other words for until (οὐ πρίν ῀ ἕως).
[*] 2432. After a negative clause πρίν means until, and usually takes the indicative (of definite time), the subjunctive or optative (of indefinite time). a. The subjunctive or optative is never used with πρίν unless the principal clause is negative. b. When the principal clause is negative, πρίν is construed like ἕως and other words for until (οὐ πρίν ῀ ἕως).