YOU SAID:
Ryan is sitting next to me
INTO JAPANESE
ライアンは私の隣に座っています
BACK INTO ENGLISH
Ryan sits next to me
INTO JAPANESE
ライアンは私の隣に座っている
BACK INTO ENGLISH
Ryan is sitting next to me
INTO JAPANESE
ライアンは私の隣に座っています
BACK INTO ENGLISH
Ryan sits next to me
INTO JAPANESE
ライアンは私の隣に座っている
it is unlikely that this phrase will ever reach equilibrium