YOU SAID:
My friends are throwing me a surprise party
INTO JAPANESE
私の友達は私にサプライズパーティーを開いています
BACK INTO ENGLISH
My friend is holding me a surprise party
INTO JAPANESE
私の友人は私にサプライズパーティーを開いています
BACK INTO ENGLISH
My friend is holding me a surprise party
Well done, yes, well done!