Acts 18:11

so he continued there a year and a half preaching the word of God among them.

Acts 14:3

however the apostles stay'd there a considerable time, being inspir'd with great resolution by the Lord, who gave his attestation to the evangelical doctrine, by the prodigys and miracles, which he did by their hands.

Acts 19:10

this he continued for two years; so that the Jews and proselytes of that part of Asia heard the doctrine of the Lord Jesus.

Acts 20:31

be then upon the watch, and remember, that for three years I have not ceased by night, or by day to warn every soul of you, even with tears.

Treasury of Scripture Knowledge

Summary

And he continued there a year and six months, teaching the word of God among them.

Bible References

He

Acts 14:3
however the apostles stay'd there a considerable time, being inspir'd with great resolution by the Lord, who gave his attestation to the evangelical doctrine, by the prodigys and miracles, which he did by their hands.
Acts 19:10
this he continued for two years; so that the Jews and proselytes of that part of Asia heard the doctrine of the Lord Jesus.
Acts 20:31
be then upon the watch, and remember, that for three years I have not ceased by night, or by day to warn every soul of you, even with tears.