YOU SAID:
there is a big alpaca standing on me
INTO JAPANESE
私に立っている大きなアルパカがある
BACK INTO ENGLISH
I have a big alpaca standing on me
INTO JAPANESE
私は私に立っている大きなアルパカを持っている
BACK INTO ENGLISH
I have a big alpaca standing on me
You've done this before, haven't you.