Breakdown of Tietääkseni sekaannus ei ole valtava.
olla
to be
ei
no / not (en, et, ei, emme, ette, eivät)
valtava
huge
tietääkseni
as far as I know
Questions & Answers about Tietääkseni sekaannus ei ole valtava.
How is the word tietääkseni built to mean 'as far as I know'?
This phrase is built using the first infinitive of the verb tietää (to know), the translative case marker -kse- (which here forms an adverb of viewpoint), and the first-person possessive suffix -ni (my). You can think of its literal structure as 'for my knowing', which functions as 'as far as I know' or 'to my knowledge'.
If I wanted to change this to 'as far as they know', how would tietääkseni change?
You only need to change the possessive suffix at the end of the word to match the subject. For 'they' (or 'he/she'), you use the third-person suffix -en (or -ensä). So, 'as far as they know' becomes tietääkseen or tietääksensä.
Why is valtava in the nominative case instead of the partitive, since the sentence is negative (ei ole)?
It is a common trap to assume all negative sentences trigger the partitive! While negative objects are always partitive, valtava is a predicative adjective describing the subject (sekaannus). Because sekaannus (a mix-up) is a countable noun referring to a specific, singular event, the adjective stays in the nominative (valtava). If the subject were an uncountable mass noun (like 'water' or 'love'), the adjective would be in the partitive.
What kind of word is sekaannus and how is it derived?