sich umpflügen/nicht umpflügen
Irregular conjugation for ther verbs "lügen", "trügen" and their compounds: there is a a vowel change in the stem of Present tense ("ich lüge") and the stem of Preterite ("ich log") and the stem of Past Participle ("gelogen").
The verb has several variants of conjugation, which may correspond to different meanings. Please use the menu to select one or all variants.
zu + Infinitiv