3B1 expresses doubt more than the celebration, in truth expects it not to occur. 3B2 expresses uncertainty, it would or won't take place. 3B3 expects that it will happen. Stack Trade network consists of 183 Q&A communities including Stack Overflow, the biggest, most reliable online Neighborhood for developers to understand, https://share.evernote.com/note/322c01fe-9008-3c72-bd31-8f22a20441b7