3B1 expresses question more than the function, in truth expects it not to occur. 3B2 expresses uncertainty, it would or might not take place. 3B3 expects that it'll occur. I rarely see any with the four versions described in the original article. All 4 of those variants are appropriate. One https://petskyonline-onlinestrore.blogspot.com/2025/07/top-10-aquarium-essentials-for-new-fish.html