A.T. Robertson Commentary Matthew 9:35

"And Jesus went about all the cities and the villages, teaching in their synagogues, and preaching the gospel of the kingdom, and healing all manner of disease and all manner of sickness." — Matthew 9:35 (ASV)

And Jesus went about (κα περιηγεν ο Ιησους). Imperfect tense descriptive of this third tour of all Galilee.