Sense

1. quicunque, perchance
2. might, might
3. he came, he would have come, may he come, he would come
4. would be, would have been, were or had been, would, have been, would have, could have, if you had tried), might perhaps
5. will perchance
6. I will
7. would be, he would have, might perhaps
8. could, if they should try), I should, I should, vellem
9. may
10. would, would, would, if they should do this, would, would, things which are not and never could happen, would
11. a condition fulfilled whenever an opportunity offered, there

Examples

• ἀπὸ δὲ τοῦ ξύλου τοῦ γινώσκειν καλὸν καὶ πονηρόν, οὐ φάγεσθε ἀπ᾿ αὐτοῦ. ᾗ δ᾿ ἂν ἡμέρᾳ φάγητε ἀπ᾿ αὐτοῦ, θανάτῳ ἀποθανεῖσθε. (Septuagint, Liber Genesis 2:17)
• ᾔδει γὰρ ὁ Θεός, ὅτι ᾗ ἂν ἡμέρᾳ φάγητε ἀπ᾿ αὐτοῦ, διανοιχθήσονται ὑμῶν οἱ ὀφθαλμοὶ καὶ ἔσεσθε ὡς θεοί, γινώσκοντες καλὸν καὶ πονηρόν. (Septuagint, Liber Genesis 3:5)
• οἱ δὲ γίγαντες ἦσαν ἐπὶ τῆς γῆς ἐν ταῖς ἡμέραις ἐκείναις. καὶ μετ᾿ ἐκεῖνο, ὡς ἂν εἰσεπορεύοντο οἱ υἱοὶ τοῦ Θεοῦ πρὸς τὰς θυγατέρας τῶν ἀνθρώπων, καὶ ἐγεννῶσαν ἑαυτοῖς. ἐκεῖνοι ἦσαν οἱ γίγαντες οἱ ἀπ᾿ αἰῶνος, οἱ ἄνθρωποι οἱ ὀνομαστοί. (Septuagint, Liber Genesis 6:4)
• καὶ εἶπε Κύριος. ἰδοὺ γένος ἓν καὶ χεῖλος ἓν πάντων, καὶ τοῦτο ἤρξαντο ποιῆσαι, καὶ νῦν οὐκ ἐκλείψει ἀπ᾿ αὐτῶν πάντα, ὅσα ἂν ἐπιθῶνται ποιεῖν. (Septuagint, Liber Genesis 11:6)
• ΚΑΙ εἶπε Κύριος τῷ Ἅβραμ. ἔξελθε ἐκ τῆς γῆς σου καὶ ἐκ τῆς συγγενείας σου καὶ ἐκ τοῦ οἴκου τοῦ πατρός σου καὶ δεῦρο εἰς τὴν γῆν, ἣν ἄν σοι δείξω.? (Septuagint, Liber Genesis 12:1)

Source: Henry George Liddell. Robert Scott. "A Greek-English Lexicon". revised and augmented throughout by. Sir Henry Stuart Jones.