must preestablish
Verbo regolare: preestablish - preestablished- preestablished

Affermazione 	
Forma semplice 	Forma con V-ing 	Perfetto 	Perfetto con V-ing 	
I must preestablish
you must preestablish
he must preestablish
we must preestablish
you must preestablish
they must preestablish 	I must be preestablishing
you must be preestablishing
he must be preestablishing
we must be preestablishing
you must be preestablishing
they must be preestablishing	I must have preestablished
you must have preestablished
he must have preestablished
we must have preestablished
you must have preestablished
they must have preestablished	I must have been preestablishing
you must have been preestablishing
he must have been preestablishing
we must have been preestablishing
you must have been preestablishing
they must have been preestablishing	

Negazione 	
Forma semplice 	Forma con V-ing 	Perfetto 	Perfetto con V-ing 	
I mustn't preestablish
you mustn't preestablish
he mustn't preestablish
we mustn't preestablish
you mustn't preestablish
they mustn't preestablish 	I mustn't be preestablishing
you mustn't be preestablishing
he mustn't be preestablishing
we mustn't be preestablishing
you mustn't be preestablishing
they mustn't be preestablishing	I mustn't have preestablished
you mustn't have preestablished
he mustn't have preestablished
we mustn't have preestablished
you mustn't have preestablished
they mustn't have preestablished	I mustn't have been preestablishing
you mustn't have been preestablishing
he mustn't have been preestablishing
we mustn't have been preestablishing
you mustn't have been preestablishing
they mustn't have been preestablishing	

Forma interrogativa 	
Forma semplice 	Forma con V-ing 	Perfetto 	Perfetto con V-ing 	
must I preestablish?
must you preestablish?
must he preestablish?
must we preestablish?
must you preestablish?
must they preestablish? 	must I be preestablishing?
must you be preestablishing?
must he be preestablishing?
must we be preestablishing?
must you be preestablishing?
must they be preestablishing? 	must I have preestablished?
must you have preestablished?
must he have preestablished?
must we have preestablished?
must you have preestablished?
must they have preestablished? 	must I have been preestablishing?
must you have been preestablishing?
must he have been preestablishing?
must we have been preestablishing?
must you have been preestablishing?
must they have been preestablishing? 	

Forma interro-negativa 	
Forma semplice 	Forma con V-ing 	Perfetto 	Perfetto con V-ing 	
mustn't I preestablish?
mustn't you preestablish?
mustn't he preestablish?
mustn't we preestablish?
mustn't you preestablish?
mustn't they preestablish? 	mustn't I be preestablishing?
mustn't you be preestablishing?
mustn't he be preestablishing?
mustn't we be preestablishing?
mustn't you be preestablishing?
mustn't they be preestablishing? 	mustn't I have preestablished?
mustn't you have preestablished?
mustn't he have preestablished?
mustn't we have preestablished?
mustn't you have preestablished?
mustn't they have preestablished? 	mustn't I have been preestablishing?
mustn't you have been preestablishing?
mustn't he have been preestablishing?
mustn't we have been preestablishing?
mustn't you have been preestablishing?
mustn't they have been preestablishing?