Acts 9:24 ἐγνώσθη δὲ τῷ Σαύλῳ ἡ ἐπιβουλὴ αὐτῶν παρετηροῦντο δὲ καὶ τὰς πύλας ἡμέρας τε καὶ νυκτὸς ὅπως αὐτὸν ἀνέλωσιν·
but their plot became known to Saul. They watched the gates both day and night that they might kill him,
Verb: Third Person Aorist Active Subjunctive Plural

Acts 23:21 σὺ οὖν μὴ πεισθῇς αὐτοῖς ἐνεδρεύουσιν γὰρ αὐτὸν ἐξ αὐτῶν ἄνδρες πλείους τεσσεράκοντα, οἵτινες ἀνεθεμάτισαν ἑαυτοὺς μήτε φαγεῖν μήτε πιεῖν ἕως οὗ ἀνέλωσιν αὐτόν, καὶ νῦν εἰσιν ἕτοιμοι προσδεχόμενοι τὴν ἀπὸ σοῦ ἐπαγγελίαν.
Therefore don't yield to them, for more than forty men lie in wait for him, who have bound themselves under a curse neither to eat nor to drink until they have killed him. Now they are ready, looking for the promise from you."
Verb: Third Person Aorist Active Subjunctive Plural