11 And he staid a year and six months, teaching among them the word of God.
Acts 18:11 Cross References - Worsley
Acts 14:3
3 They therefore stayed a considerable time speaking freely of the Lord, who bare witness to the word of his grace, and gave signs and wonders to be done by their hands.
Acts 19:10
10 And this he did for two years; so that all the inhabitants of Asia, both Jews and Greeks, heard the word of the Lord Jesus.
Acts 20:31
31 Watch therefore, remembering that for the space of three years I ceased not by night and by day to warn every one with tears.