hayan falsificado
-they/you have forged
Present perfect subjunctiveellos/ellas/ustedesconjugation offalsificar.

falsificar

Es posible que los bienes sean de valor muy inferior o insuficiente, se hayan falsificado o manipulado de forma que reduzca apreciablemente su valor.
Goods may be of greatly inferior or little value, counterfeit, or may have been tampered with in such a way so as to significantly reduce their value.
Eso no significa que lo hayan falsificado.
That doesn't mean that they're falsified.
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