3B1 expresses question more than the function, in fact expects it not to occur. 3B2 expresses uncertainty, it'd or might not take place. 3B3 expects that it's going to transpire. CowperKettleCowperKettle 36.7k1818 gold badges136136 silver badges235235 bronze badges 2 Took me a while to discover how this answer does https://ericv840itd7.blogunteer.com/profile