3B1 expresses doubt over the party, in fact expects it not to happen. 3B2 expresses uncertainty, it might or won't transpire. 3B3 expects that it's going to take place. I not often see any in the 4 variations outlined in the initial write-up. All four of such versions are correct. https://petskyonline-onlinestrore.blogspot.com/2025/07/top-10-aquarium-essentials-for-new-fish.html