felkészülniük

"Felkészülniük" is a Hungarian verb form. It is the third-person plural conditional mood, perfect tense, of the verb "felkészül," which means "to prepare oneself" or "to get ready." Therefore, "felkészülniük" translates to "they would have had to prepare themselves" or "they would have been prepared." This specific grammatical construction is used to express a hypothetical situation in the past that required preparation. For example, one might say "Ha tudták volna, hogy esni fog, felkészülniük kellett volna az esernyővel" which means "If they had known it would rain, they would have had to prepare themselves with an umbrella." The verb's structure indicates a completed action in a past conditional context. The "-niük" suffix specifically denotes the third-person plural possessive, implying that the preparation was something that *they* had to do. Understanding this form is crucial for comprehending complex sentence structures in Hungarian that discuss past hypothetical scenarios.