Zasina, Adrian Jan2018-01-292018-01-292014Bohemistyka, 2014, nr 1, s. 64-771642–9893http://hdl.handle.net/10593/21394This article presents the results of a study, the aim of which was finding and logically grouping verbs that retain the thematic vowel length preceding the determinant of the past tense in Czech. The research material is based on corpus SYN2010 of the Czech National Corpus. The ten most frequent verbs are included in the list of words examined by the author. Attention is also focused on the verbs with the lowest frequency, which the majority of Czech native speakers consider to be incorrect, or they don’t know them.polinfo:eu-repo/semantics/openAccesscorpus linguisticsmathematical linguisticsCzech National Corpuspast participlelength vowelArtykuł