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 central contention, agreeing with Rédei's views, is that all of the lexical items claimed to be Indo-Uralic can be explained as loans from Indo-European into Uralic (see below for examples). The most common arguments in favour of a relationship between Indo-European and Uralic are based on seemingly common elements of morphology, such as the pronominal roots ("*m-" for first person; "*t-" for second person; "*i-" for third person), case markings (accusative "*-m"; ablative/partitive "*-ta"), interrogative/relative pronouns ("*kʷ-" "who?, which?"; "*y-" "who, which" to signal relative clauses) and a common SOV word order. Other, less obvious correspondences are suggested, such as