Basil L. Gildersleeve, Syntax of Classical Greek

The third person of the deliberative subjunctive is used more commonly when the third person represents the first, or when an action of the first person is involved.

“ὁ τοιοῦτος . . . μὴ δῷ . . . δίκην”; (= “μὴ λάβωμεν παρὰ τοῦ τοιούτου δίκην”;) DEM.21.35; Shall not such an one get his due? (= Shall we not punish him?)

DIN.1.8: “ποῖ νῦν ἐλθὼν ὁ δῆμος . . . εὕρῃ τὴν ἀλήθειαν”;

DEM.18.124: “πότερόν σέ τις Αἰσχίνη τῆς πόλεως ἐχθρὸν ἢ ἐμὸν εἶναι θῇ”; (= “πότερον . . . θῶ”;) 20.117. 21.35 (see above). 22.64. 29.37: “τί σοι ποιήσωσιν οἱ μάρτυρες”;

PLATO, Phileb. 15D: “πόθεν οὖν τις ταύτης ἄρξηται πολλῆς οὔσης καὶ παντοίας περὶ τὰ ἀμφισβητούμενα μάχης”; (= “πόθεν ἀρξώμεθα”;)

AR. Pl. 438: “ἄναξ Ἄπολλον καὶ θεοί, ποῖ τις φύγῃ”;

SOPH. Ai. 403-4: “ποῖ τις οὖν φύγῃ ποῖ μολὼν μενῶ;”

“ ΟΙ. θύγατερ, ποῖ τις φροντίδος ἔλθῃ
ΑΝ. ὦ πάτερ, ἀστοῖς ἴσα χρὴ μελετᾶν
”

O. C. 170-1:

THEOGN. 772: “τί σφιν χρήσηται” (sc. “Μουσῶν θεράπων” = “Θέογνις” = “ἐγώ”) “μοῦνος ἐπιστάμενος;”

HOM. Od. 5.465: “ὤ μοι ἐγώ, τί πάθω; τί νύ μοι μήκιστα γένηται”; (= “τί γένωμαι”;)

Il. 1.150: “πῶς τίς τοι πρόφρων ἔπεσιν πείθηται Ἀχαιῶν”; (= “πῶς πειθώμεθα”;)