This is the 492nd most frequent Icelandic word.
yrðu
"Yrðu" is the conditional form of "verða," meaning "would become" or "would be."
The word 'yrðir' is a conditional form of the verb 'verða,' indicating a hypothetical scenario.
Þú yrðir góður kennari ef þú hegðaðir þér svona.
You would become a good teacher if you behaved this way.
The word 'yrðum' is the first person plural conditional form of 'verða,' indicating a hypothetical condition based on weather.
Ef veðrið væri betra, yrðum við úti.
If the weather were better, we would be outside.
The word 'yrðu' here represents the third person plural conditional form of 'verða,' used in a hypothetical context.