YOU SAID:
My ex-man brought his new girlfriend who said oh my god im just gonna shake it
INTO JAPANESE
私の元彼は彼の新しいガールフレンドを連れてきた
BACK INTO ENGLISH
my ex brought his new girlfriend
INTO JAPANESE
私の元彼は彼の新しいガールフレンドを連れてきました
BACK INTO ENGLISH
my ex brought his new girlfriend
Well done, yes, well done!