YOU SAID:
I am bored, and will leave at 10PM if nobody comes.
INTO JAPANESE
退屈なので、誰も来なければ午後10時に帰ります。
BACK INTO ENGLISH
I'm bored so if no one comes I'll leave at 10pm.
INTO JAPANESE
退屈なので、誰も来なかったら午後10時に帰ります。
BACK INTO ENGLISH
I'm bored so if no one comes I'll leave at 10pm.
Well done, yes, well done!