YOU SAID:

Well I guess I just had to do it to them

INTO JAPANESE

まあ私は彼らにそれをしなければならなかったと思います

BACK INTO ENGLISH

Well I think they had to do it

INTO JAPANESE

まあ私は彼らがそれをしなければならなかったと思います

BACK INTO ENGLISH

Well I think they had to do it