Inflection verb, noun, adjective, and adverb, according to its function within a sentence and its relation to surrounding words. The Uralic languages are agglutinative, following from the agglutination in Proto-Uralic. The largest languages are Hungarian, Finnish, and Estonian—all European Union official languages. Uralic inflection is, or is developed from, affixing. Grammatical markers directly added to the word perform the same function as prepositions in English. Almost all words are inflected according to their roles in the sentence: verbs, nouns, pronouns, numerals, adjectives, and some particles. Hungarian and Finnish, in particular, often simply concatenate suffixes. For example, Finnish "talossanikinko" "in my house,
Finnish language "istahtaisinkohan" "I wonder if I should sit down for a while" (from "istua", "to sit, to be seated"): Over the course of many centuries, the Finnish language has borrowed many words from a wide variety of languages, most from neighbouring Indo-European languages. Indeed, some estimates put the core Proto-Uralic vocabulary surviving in Finnish at only around 300 word roots. Owing to the different grammatical, phonological and phonotactic structure of the Finnish language, loanwords from Indo-European have been assimilated. In general, the first loan words into Uralic languages seem to come from very early Indo-European languages. Later important sources have been,