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,
Indo-Uralic languages particle. Similarities have long been noted between the verb conjugation systems of Uralic languages (e.g. that of Finnish) and Indo-European languages (e.g. those of Latin, Russian, and Lithuanian). Although it would not be uncommon for a language to borrow heavily from the vocabulary of another language (as in the cases of English from French, Persian from Arabic, and Korean from Chinese), it would be extremely unusual for a language to borrow its basic system of verb conjugation from another. Supporters of the existence of Indo-Uralic have thus used morphological arguments to support the Indo-Uralic thesis by, for example, arguing that