YOU SAID:
He has been put up for adoption.
INTO JAPANESE
彼は養子縁組に持ち込まれている。
BACK INTO ENGLISH
He has been brought into adoption.
INTO JAPANESE
彼は養子縁組されました。
BACK INTO ENGLISH
He was adopted.
INTO JAPANESE
彼は養子縁組された。
BACK INTO ENGLISH
He was adopted.
You've done this before, haven't you.