N5 — outside your level filter
を
object marker — the thing a verb acts on, the ground it crosses, or the place it leaves
ごめん、傘を電車に忘れちゃった。
gomen, kasa o densha ni wasurechatta.
Sorry, I left my umbrella on the train. casual
この道をまっすぐ行くと、右に郵便局があります。
kono michi o massugu iku to, migi ni yuubinkyoku ga arimasu.
Go straight along this road and the post office is on your right. neutral