How to Say "they placed" in Spanish
The Spanish word for “they placed” is “pusieron” — A1 level. This is a very common word in everyday Spanish.

Examples
Ellos **pusieron** los libros en la mesa hace una hora.
They put the books on the table an hour ago.
Mis vecinos **pusieron** luces de Navidad muy temprano.
My neighbors put up Christmas lights very early.
The 'U' in the Past
The verb 'poner' is highly irregular in the simple past (preterite). The stem changes from 'pon-' to 'pus-'. This is a common pattern for verbs like 'saber' (supo) and 'caber' (cupo).
Preterite vs. Imperfect
Since 'pusieron' is in the preterite, it describes a completed action: 'They put the keys down and left.' (a single finished event). If you wanted to say 'They used to put...' you would use the imperfect: 'ponían'.
Related Translations
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