Languages of the European Union languages, Latvian and Lithuanian; the Celtic languages, including Irish; and Greek are also Indo-European. Outside the Indo-European family, Estonian, Finnish, and Hungarian are Uralic languages while Maltese is the only Afroasiatic language with official status in the EU. The Basque language, a language isolate whose roots are unknown, is an official language in some parts of northern Spain, but not an official language of the EU. Most official EU languages are written in the Latin script. The two exceptions are Greek, which is written in the Greek script, and Bulgarian, which is written in Cyrillic script. With the accession of
Uralic–Yukaghir languages In 1933, the pioneering Indo-Europeanist Holger Pedersen published a comparative study of the verb endings in Uralic and Indo-European. According to Pedersen (1933: §8), the Uralic negative verb was formed from a verb "*e-" meaning 'be' plus the personal endings, which are identical to the personal pronouns. For instance, for the verb "*mene" 'go', the Proto-Uralic forms would have been: 1s. "*e-m mene", 2s. "*e-t mene"; 1p. "*e-me mene", 2p. "*e-te mene" meaning 'I do not go', 'thou dost not go', etc., literally 'be-me go', 'be-thou go', etc. The Uralic negative particle "*ne" 'not' would have originally formed part of