This is an open-source dataset containing more than 9 million corpus occurrences of Hungarian infinitive constructions. It consists of the following columns: 1 inf_form: Lowercase form of the infinitive. 2 inf_lemma: Infinitive without inflectional suffixes. If the infinitive has a (separated) preverb, there is a + sign between the preverb and the verb stem. 3 inf_prev: Lowercase form of the preverb associated with the infinitive. 4 inf_prevpos: Position of the preverb relative to the infinitive, given in tokens. 5 inf_stem: Verb stem of the infinitive. 6 inf_persnum: The person and number marking on the infinitive. 7 fin_form: Lowercase finite form (finite verb, plain adjective or noun, complex verb phrase) co-occuring with an infinitive. This heterogeneous set of items will be referred hereafter as FIN. 8 fin_lemma: FIN without inflectional suffixes. If it is a verb having a (separated) preverb, there is a + sign between the preverb and the verb stem. 9 fin_prev: Lowercase form of the preverb associated with the FIN. 10 fin_prevpos: Position of the preverb relative to the FIN, given in tokens. 11 fin_stem: Stem of the FIN. 12 fin_wordclass: Word class of the FIN stem. 13 fin_persnum: The person and number marking on the FIN. 14 order: A schematic representation of how the infinitive, the FIN and their respective preverbs are ordered. 15 argframe_cases: Arguments of the infinitive, represented by case-endings. 16 argframe_long: Arguments of the infinitive, represented by lemma + case-ending combinations. 17 doc_year: The year of writing or the year of publication, 0 if unknown. 18 doc_style: Document style. 19 doc_id: Document identifier. 20 left_context: Text preceding the hit. 21 kwic: The hit (the whole infinitive construction). 22 right_context: Text following the hit. The first row stands for the header. If a cell's value is unspecified, it is marked with underscore (_).