desnudaban
Imperfecto para el sujetoellos/ellas/ustedesdel verbodesnudar.

desnudar

Tras decirles que iban a darse una ducha, las víctimas se desnudaban y entraban en la cámara de gas.
Having been told they were to have a shower, the victims undressed and went into the gas chamber.
2 mujeres residentes dijeron que fueron observadas mientras se desnudaban.
Couple of female residents said they were being watched while they got undressed.
Palabra del día
el inframundo