I could preadopt you could preadopt he could preadopt we could preadopt you could preadopt they could preadopt
Forma con V-ing
I could be preadopting you could be preadopting he could be preadopting we could be preadopting you could be preadopting they could be preadopting
Perfecto
I could have preadopted you could have preadopted he could have preadopted we could have preadopted you could have preadopted they could have preadopted
Perfecto con V-ing
I could have been preadopting you could have been preadopting he could have been preadopting we could have been preadopting you could have been preadopting they could have been preadopting
Negación
Forma simple
I could not preadopt you could not preadopt he could not preadopt we could not preadopt you could not preadopt they could not preadopt
Forma con V-ing
I could not be preadopting you could not be preadopting he could not be preadopting we could not be preadopting you could not be preadopting they could not be preadopting
Perfecto
I could not have preadopted you could not have preadopted he could not have preadopted we could not have preadopted you could not have preadopted they could not have preadopted
Perfecto con V-ing
I could not have been preadopting you could not have been preadopting he could not have been preadopting we could not have been preadopting you could not have been preadopting they could not have been preadopting
Forma interrogativa
Forma simple
could I preadopt? could you preadopt? could he preadopt? could we preadopt? could you preadopt? could they preadopt?
Forma con V-ing
could I be preadopting? could you be preadopting? could he be preadopting? could we be preadopting? could you be preadopting? could they be preadopting?
Perfecto
could I have preadopted? could you have preadopted? could he have preadopted? could we have preadopted? could you have preadopted? could they have preadopted?
Perfecto con V-ing
could I have been preadopting? could you have been preadopting? could he have been preadopting? could we have been preadopting? could you have been preadopting? could they have been preadopting?
Forma interro-negativa
Forma simple
could I not preadopt? could you not preadopt? could he not preadopt? could we not preadopt? could you not preadopt? could they not preadopt?
Forma con V-ing
could I not be preadopting? could you not be preadopting? could he not be preadopting? could we not be preadopting? could you not be preadopting? could they not be preadopting?
Perfecto
could I not have preadopted? could you not have preadopted? could he not have preadopted? could we not have preadopted? could you not have preadopted? could they not have preadopted?
Perfecto con V-ing
could I not have been preadopting? could you not have been preadopting? could he not have been preadopting? could we not have been preadopting? could you not have been preadopting? could they not have been preadopting?