can preestablish
Verbo regular: preestablish - preestablished- preestablished

Afirmación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I can preestablish
you can preestablish
she can preestablish
we can preestablish
you can preestablish
they can preestablish 	I can be preestablishing
you can be preestablishing
she can be preestablishing
we can be preestablishing
you can be preestablishing
they can be preestablishing	I can have preestablished
you can have preestablished
she can have preestablished
we can have preestablished
you can have preestablished
they can have preestablished	I can have been preestablishing
you can have been preestablishing
she can have been preestablishing
we can have been preestablishing
you can have been preestablishing
they can have been preestablishing	

Negación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I cannot preestablish
you cannot preestablish
she cannot preestablish
we cannot preestablish
you cannot preestablish
they cannot preestablish 	I cannot be preestablishing
you cannot be preestablishing
she cannot be preestablishing
we cannot be preestablishing
you cannot be preestablishing
they cannot be preestablishing	I cannot have preestablished
you cannot have preestablished
she cannot have preestablished
we cannot have preestablished
you cannot have preestablished
they cannot have preestablished	I cannot have been preestablishing
you cannot have been preestablishing
she cannot have been preestablishing
we cannot have been preestablishing
you cannot have been preestablishing
they cannot have been preestablishing	

Forma interrogativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
can I preestablish?
can you preestablish?
can she preestablish?
can we preestablish?
can you preestablish?
can they preestablish? 	can I be preestablishing?
can you be preestablishing?
can she be preestablishing?
can we be preestablishing?
can you be preestablishing?
can they be preestablishing? 	can I have preestablished?
can you have preestablished?
can she have preestablished?
can we have preestablished?
can you have preestablished?
can they have preestablished? 	can I have been preestablishing?
can you have been preestablishing?
can she have been preestablishing?
can we have been preestablishing?
can you have been preestablishing?
can they have been preestablishing? 	

Forma interro-negativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
can I not preestablish?
can you not preestablish?
can she not preestablish?
can we not preestablish?
can you not preestablish?
can they not preestablish? 	can I not be preestablishing?
can you not be preestablishing?
can she not be preestablishing?
can we not be preestablishing?
can you not be preestablishing?
can they not be preestablishing? 	can I not have preestablished?
can you not have preestablished?
can she not have preestablished?
can we not have preestablished?
can you not have preestablished?
can they not have preestablished? 	can I not have been preestablishing?
can you not have been preestablishing?
can she not have been preestablishing?
can we not have been preestablishing?
can you not have been preestablishing?
can they not have been preestablishing?