x1=tcit1=s3 is a tense (PU, etc.) of/based on/derived from x2=tcit3=tcin1 (e.g. «se cabna» ({se} used for tense (see CLL 10.23)) relative to x3 (default) (e.g. «mi» or the bridi) for sumti x4=tcit2=s1 of selbri x5=s2.
x1=tcit1=s3 is a modal (BAI, «fi'o broda», PU, etc.) of/based on/derived from x2=tcit3=tcin1 (e.g. «bai», «se cabna» ({se} used for tense)) for sumti x3=tcit2=s1 of selbri x4=s2.
head-final content clause relativizer: it turns the current clause into a subordinate content clause, binds it to the {ke'a} pronoun, and restart the current clause afresh (as if its previous content was erased or moved into a hidden prenex).
Echo-resumptive construction initiator: This particle immediately precedes a verb word (selbrivla) which is a repetition of a verb that already occurred in the same sentence in an outer clause level; the combination of this particle and that echo verb acts like a terminator, signaling a return to the closest clause level whose main verb was the same as the provided echo verb.