YOU SAID:
Chris is a lad for doing the project
INTO JAPANESE
クリスはプロジェクトをやってくれた若者です
BACK INTO ENGLISH
Chris is the young man who did the project
INTO JAPANESE
クリスはプロジェクトをした若い男です
BACK INTO ENGLISH
Chris is a young man who did the project
INTO JAPANESE
クリスはプロジェクトをやった若い男です
BACK INTO ENGLISH
Chris is a young man who did the project
You've done this before, haven't you.