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
he can preestablish
we can preestablish
you can preestablish
they can preestablish 	I can be preestablishing
you can be preestablishing
he can be preestablishing
we can be preestablishing
you can be preestablishing
they can be preestablishing	I can have preestablished
you can have preestablished
he 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
he 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 can't preestablish
you can't preestablish
he can't preestablish
we can't preestablish
you can't preestablish
they can't preestablish 	I can't be preestablishing
you can't be preestablishing
he can't be preestablishing
we can't be preestablishing
you can't be preestablishing
they can't be preestablishing	I can't have preestablished
you can't have preestablished
he can't have preestablished
we can't have preestablished
you can't have preestablished
they can't have preestablished	I can't have been preestablishing
you can't have been preestablishing
he can't have been preestablishing
we can't have been preestablishing
you can't have been preestablishing
they can't have been preestablishing	

Forma interrogativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
can I preestablish?
can you preestablish?
can he preestablish?
can we preestablish?
can you preestablish?
can they preestablish? 	can I be preestablishing?
can you be preestablishing?
can he be preestablishing?
can we be preestablishing?
can you be preestablishing?
can they be preestablishing? 	can I have preestablished?
can you have preestablished?
can he 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 he 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't I preestablish?
can't you preestablish?
can't he preestablish?
can't we preestablish?
can't you preestablish?
can't they preestablish? 	can't I be preestablishing?
can't you be preestablishing?
can't he be preestablishing?
can't we be preestablishing?
can't you be preestablishing?
can't they be preestablishing? 	can't I have preestablished?
can't you have preestablished?
can't he have preestablished?
can't we have preestablished?
can't you have preestablished?
can't they have preestablished? 	can't I have been preestablishing?
can't you have been preestablishing?
can't he have been preestablishing?
can't we have been preestablishing?
can't you have been preestablishing?
can't they have been preestablishing?