YOU SAID:

I cannot recall when was the last time my neighbour from downstairs called the police because he saw a smoke from the opposite saide of the road.

INTO JAPANESE

階下の隣人が道路の反対側から煙が見えたので最後に警察に電話したのはいつだったか思い出せません。

BACK INTO ENGLISH

I can't remember the last time my downstairs neighbor called the police because they saw smoke from across the road.

INTO JAPANESE

下の階の隣人が道路の向こう側から煙が見えたので警察に電話したのはいつだったか思い出せない。

BACK INTO ENGLISH

I can't remember when my downstairs neighbor called the police because he saw smoke from across the road.

INTO JAPANESE

階下の隣人が道路の向こう側から煙が見えたのでいつ警察に通報したかは覚えていない。

BACK INTO ENGLISH

He doesn't remember when his downstairs neighbor called police because he saw smoke from across the road.

INTO JAPANESE

彼は、階下の隣人が道路の向こう側から煙が見えたのでいつ警察に通報したか覚えていない。

BACK INTO ENGLISH

He doesn't remember when his downstairs neighbor called police because he saw smoke from across the road.