Breakdown of Tänään tutkimme maailman toiseksi suurinta nisäkästä.
tänään
today
toinen
other, another; second
maailma
world
tutkia
to explore / to investigate / examine
suuri
large, great
nisäkäs
mammal
Questions & Answers about Tänään tutkimme maailman toiseksi suurinta nisäkästä.
Why is the word for 'second' in the translative case (toiseksi) instead of the basic form toinen?
In Finnish, to rank things with superlatives (like 'second largest', 'third fastest'), you put the ordinal number in the translative case (ending in -ksi) right before the superlative adjective. This gives us toiseksi suurin (the second largest).
Why don't all the modifiers agree? suurinta and nisäkästä are partitive, so why isn't toiseksi partitive too?
While adjectives normally have to match the case of the noun they describe, the translative ordinal in this ranking structure acts like a fixed adverb. Because it's modifying the adjective rather than the noun, toiseksi stays frozen in the translative case, while suurinta matches the partitive case of the noun nisäkästä.
Why is the object of the sentence (nisäkästä) in the partitive case here?
The verb tutkia (to study, examine, research) usually takes a partitive object when the action is ongoing and not yet completed. Since 'we are studying' implies an ongoing process, the object is put in the partitive case.
How is the partitive superlative suurinta formed?
The base form is suurin, the superlative of suuri (large). For superlatives ending in -in, you form the partitive case by directly adding -ta or -tä to the end, resulting in suurinta.
How does the noun nisäkäs (mammal) become nisäkästä?
Nouns ending in the suffix -kAs (like nisäkäs or asiakas) form their partitive very simply: you just add -ta or -tä to the nominative base form. Unlike the genitive case (which would trigger consonant gradation to become nisäkkään), the partitive form nisäkästä keeps the original single k.
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