YOU SAID:
my sister has a crush on a short old man
INTO JAPANESE
私の妹は短い老人に恋をしている
BACK INTO ENGLISH
My sister is in love with a short old man
INTO JAPANESE
私の妹は短い老人に恋をしています
BACK INTO ENGLISH
My sister is in love with a short old man
You've done this before, haven't you.