YOU SAID:
In love with someone.
INTO JAPANESE
誰かに恋をしている。
BACK INTO ENGLISH
I'm in love with someone.
INTO JAPANESE
私は誰かに恋をしています。
BACK INTO ENGLISH
I'm in love with someone
INTO JAPANESE
私は誰かに恋をしています
BACK INTO ENGLISH
I'm in love with someone
That didn't even make that much sense in English.