And the Pharisees came forth (κα εξηλθον ο Φαρισαιο). At once they met Jesus and opened a controversy. Matthew 16:1Matthew 16:1Markus 3,6

began to question with him (ηρξαντο συνζητειν αυτω). Dispute, not mere inquiry, associative instrumental case of αυτο. They began at once and kept it up (present infinitive).