Okay, unlike the last two posts, I will directly answer your question :-) (And as the author of that story, I can answer other questions about it, too)
1. The quick answer is "no". the format i BAI/(or tense) bo means that the entire sentence that follows is what is being tagged. See the CLL chapter 9, section 7
2. No, jinvi is to have an opinion, krici is to believe something. Have I used one where you think the other is better?
3. If you mean how can we use FA words and SE words to get to those places? By using constructions like "fa xi xa" and "se xi xa". (see chapter 19, section 6)
--gejyspa