YOU SAID:

V is the patient who was kept in the fifth room

INTO JAPANESE

V は 5 部屋で保たれた患者です。

BACK INTO ENGLISH

V is the patient was kept in 5 rooms.

INTO JAPANESE

V は 5 室で患者がいたです。

BACK INTO ENGLISH

V is was patient in Room 5.

INTO JAPANESE

V は 5 号室の患者だった。

BACK INTO ENGLISH

V was the patient in Room 5.

INTO JAPANESE

V は 5 号室の患者だった。

BACK INTO ENGLISH

V was the patient in Room 5.