hayan arrugado
-they/you have wrinkled
Antepresente de subjuntivo para el sujetoellos/ellas/ustedesdel verboarrugar.

arrugar

Debe exactamente envolver los modelos recogidos en la hoja del periódico, poner en el fichero y determinar en la carpeta que no se hayan arrugado.
Collected samples should be turned accurately in a leaf of the newspaper, to put in the file and to define in the folder that they were not rumpled.
Palabra del día
el hada madrina