hayan crecido
-they/you have grown
Present perfect subjunctiveellos/ellas/ustedesconjugation ofcrecer.

crecer

Estos botines no ya no me quedan bien. ¿Cómo es posible que mis pies hayan crecido?
These boots don't fit me anymore. How is it possible that my feet grew?
No hay manera de que todos esos hayan crecido en una semana.
No way he could have grown all these in a week. They can't be older.
Sin embargo, no parece que las redes hayan crecido mucho, sobre todo en lo que se refiere a la interconexión con empresas extranjeras.
Networks do not seem, however, to have expanded very much, in particular with respect to networking with foreign firms.
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