Acts 8:11

And to him they had regard, because that of long time he had bewitched them with sorceries.

They listened to him, because for a long time he had amazed them with his sorceries.

And they gave heed to him, because that of long time he had amazed them with his sorceries.

and they were giving heed to him, because of his having for a long time amazed them with deeds of magic.

They paid close attention to him because he had astounded them for a long time with his sorcery.