YOU SAID:
my mom said that I was adopted
INTO JAPANESE
私のお母さんは私が養子
BACK INTO ENGLISH
My mom that I was adopted
INTO JAPANESE
私の母は、私が養子
BACK INTO ENGLISH
My mother is my adopted child
INTO JAPANESE
私の母は私の養子
BACK INTO ENGLISH
My mother is my adopted children.
INTO JAPANESE
私の母は私の養子です。
BACK INTO ENGLISH
My mother is my adopted son.
INTO JAPANESE
私の母は私の養子です。
BACK INTO ENGLISH
My mother is my adopted son.
That didn't even make that much sense in English.