How to Say "they misplaced" in Spanish
The Spanish word for “they misplaced” is “perdieron” — A2 level. This is a very common word in everyday Spanish.

Examples
Ellos perdieron las llaves del coche ayer.
They lost the car keys yesterday.
Ustedes perdieron mucho dinero en esa inversión, ¿verdad?
You (all) lost a lot of money in that investment, right?
Action Completed in the Past
'Perdieron' uses the Preterite tense, which is for actions that started and finished completely at a specific time in the past (like 'yesterday' or 'last week').
Who Lost?
This form always refers to the plural subject: 'ellos' (they, masculine), 'ellas' (they, feminine), or 'ustedes' (you all/you plural formal).
Confusing Past Tenses
Mistake: “Usando 'perderían' (conditional) instead of 'perdieron' (preterite).”
Correction: 'Perderían' means 'they would lose'. Use 'perdieron' for the simple fact that the loss happened.
Related Translations
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