YOU SAID:
It’s my birthday! I’m turning thirteen today
INTO JAPANESE
それは私の誕生日です!今日13歳になりました
BACK INTO ENGLISH
That's my birthday! I am 13 years old today
INTO JAPANESE
それが私の誕生日です!私は今日13歳です
BACK INTO ENGLISH
That is my birthday! I am 13 years old today
INTO JAPANESE
それが私の誕生日です!私は今日13歳です
BACK INTO ENGLISH
That is my birthday! I am 13 years old today
Well done, yes, well done!