YOU SAID:
Can I please not do that my good sir?
INTO JAPANESE
私は私の良い先生をしないでくださいすることはできますか?
BACK INTO ENGLISH
Can I not be my good teacher?
INTO JAPANESE
私は私の良い先生になれませんか?
BACK INTO ENGLISH
Can't I be my good teacher?
INTO JAPANESE
私は私の良い先生になれることができませんか?
BACK INTO ENGLISH
Can't I be my good teacher?
That didn't even make that much sense in English.