Herbert Weir Smyth, A Greek Grammar for Colleges

a. (inf.) ἀκούω Λακεδαιμονίους ἂν ἀναχωρεῖν ἐπ᾽ οἴκου I hear the Lacedaemonians used to return home ( = ἂν ἀνεχώρουν, 1790) D. 9.48, οἴεσθε γὰρ τὸν πατέρα οὐκ ἂν φυλάττειν; for do you think my father would not have taken care? ( = οὐκ ἂν ἐφύλαττεν, 1786) D. 49.35; νομίζοντες ἂν τι_μῆς τυγχάνειν in the belief that they would obtain reward ( = ἂν τυγχάνοιμεν) X. A. 1.9.29.

b. (part.) ὅπερ ἔσχε μὴ κατὰ πόλεις αὐτὸν ἐπιπλέοντα τὴν Πελοπόννησον πορθεῖν, ἀδυνάτων ἂν ὄντων . . . ἀλλήλοις ἐπιβοηθεῖν which prevented him from sailing against the Peloponnese and laying it waste city by city when the Peloponnesians would have been unable to come to the rescue of one another ( = ἀδύνατοι ἂν ἦσαν) T. 1.73, πόλλ᾽ ἂν ἔχων ἕτερ᾽ εἰπεῖν, παραλείπω though I might be able to say much else I pass it by ( = ἂν ἔχοιμι, 1824) D. 18.258, ““σοφία_ λεγομένη δικαιότατ᾽ ἄν” that might most justly be called wisdom” P. Phil. 30c ( = ἣ σοφία_ λέγοιτο ἄν).