3B1 expresses doubt around the celebration, without a doubt expects it not to occur. 3B2 expresses uncertainty, it might or won't come about. 3B3 expects that it'll come about. Stack Trade network consists of 183 Q&A communities together with Stack Overflow, the most important, most dependable online Group for developers https://share.evernote.com/note/df1a21f2-8c2e-bc2f-da71-16861a881d5b