YOU SAID:

Last night you were in my room

INTO JAPANESE

最後の夜私の部屋にいます。

BACK INTO ENGLISH

Last night in my room.

INTO JAPANESE

昨夜私の部屋で。

BACK INTO ENGLISH

It's in my room last night.

INTO JAPANESE

私の部屋の最後の夜です。

BACK INTO ENGLISH

This is the last night in my room.

INTO JAPANESE

これは、私の部屋の最後の夜です。

BACK INTO ENGLISH

This is the last night of my room.

INTO JAPANESE

これは、私の部屋の最後の夜です。

BACK INTO ENGLISH

This is the last night of my room.