Entering a Mosque and Digging a Pit
Scholars have said that whoever sees themselves entering a mosque with people and they dig a pit for them might indicate their marriage.
Per Ibn Sirin's Muntakhab al-Kalam fi Tafsir al-Ahlam
Note: These are traditional scholarly interpretations (ijtihad) drawn from a specific classical source — not a binding religious ruling, fortune-telling, or a prediction of the future.