G2727–κατηχέω–katēcheō

that you may fully know the truth of the things which you have been taught by word of mouth.

κατηχήθης katēchēthēs “you were instructed”

He had been instructed by word of mouth in the way of the Lord, and, being full of burning zeal, he used to speak and teach accurately the facts about Jesus, though he knew of no baptism but John's.

κατηχημένος katēchēmenos “instructed”

Now what they have been repeatedly told about you is that you teach all the Jews among the Gentiles to abandon Moses, and that you forbid them to circumcise their children or observe old-established customs.

κατηχήθησαν katēchēthēsan “They have been informed”

Associate with these men and purify yourself with them, and pay their expenses so that they can shave their heads. Then everybody will know that there is no truth in these stories about you, but that in your own actions you yourself scrupulously obey th

κατήχηνται katēchēntai “they have been informed”

and know the supreme will, and can test things that differ--being a man who receives instruction from the Law--

κατηχούμενος katēchoumenos “being instructed”

but in the Church I would rather speak five words with my understanding--so as to instruct others also--than ten thousand words in an unknown tongue.

κατηχήσω, katēchēsō “I may instruct,”

But let those who receive instruction in Christian truth share with their instructors all temporal blessings.

κατηχούμενος katēchoumenos “being taught”κατηχοῦντι katēchounti “teaching”