Conjugación del verbo inglés
COULD PREESTABLISH

Verbo regular: preestablish - preestablished - preestablished

Afirmación

Forma simple	Forma con V-ing
I could preestablish you could preestablish he could preestablish we could preestablish you could preestablish they could preestablish	I could be preestablishing you could be preestablishing he could be preestablishing we could be preestablishing you could be preestablishing they could be preestablishing
Perfecto	Perfecto con V-ing
I could have preestablished you could have preestablished he could have preestablished we could have preestablished you could have preestablished they could have preestablished	I could have been preestablishing you could have been preestablishing he could have been preestablishing we could have been preestablishing you could have been preestablishing they could have been preestablishing

Negación

Forma simple	Forma con V-ing
I could not preestablish you could not preestablish he could not preestablish we could not preestablish you could not preestablish they could not preestablish	I could not be preestablishing you could not be preestablishing he could not be preestablishing we could not be preestablishing you could not be preestablishing they could not be preestablishing
Perfecto	Perfecto con V-ing
I could not have preestablished you could not have preestablished he could not have preestablished we could not have preestablished you could not have preestablished they could not have preestablished	I could not have been preestablishing you could not have been preestablishing he could not have been preestablishing we could not have been preestablishing you could not have been preestablishing they could not have been preestablishing

Forma interrogativa

Forma simple	Forma con V-ing
could I preestablish? could you preestablish? could he preestablish? could we preestablish? could you preestablish? could they preestablish?	could I be preestablishing? could you be preestablishing? could he be preestablishing? could we be preestablishing? could you be preestablishing? could they be preestablishing?
Perfecto	Perfecto con V-ing
could I have preestablished? could you have preestablished? could he have preestablished? could we have preestablished? could you have preestablished? could they have preestablished?	could I have been preestablishing? could you have been preestablishing? could he have been preestablishing? could we have been preestablishing? could you have been preestablishing? could they have been preestablishing?

Forma interro-negativa

Forma simple	Forma con V-ing
could I not preestablish? could you not preestablish? could he not preestablish? could we not preestablish? could you not preestablish? could they not preestablish?	could I not be preestablishing? could you not be preestablishing? could he not be preestablishing? could we not be preestablishing? could you not be preestablishing? could they not be preestablishing?
Perfecto	Perfecto con V-ing
could I not have preestablished? could you not have preestablished? could he not have preestablished? could we not have preestablished? could you not have preestablished? could they not have preestablished?	could I not have been preestablishing? could you not have been preestablishing? could he not have been preestablishing? could we not have been preestablishing? could you not have been preestablishing? could they not have been preestablishing?