must establish
Verbo regolare: establish - established- established

Affermazione 	
Forma semplice 	Forma con V-ing 	Perfetto 	Perfetto con V-ing 	
I must establish
you must establish
he must establish
we must establish
you must establish
they must establish 	I must be establishing
you must be establishing
he must be establishing
we must be establishing
you must be establishing
they must be establishing	I must have established
you must have established
he must have established
we must have established
you must have established
they must have established	I must have been establishing
you must have been establishing
he must have been establishing
we must have been establishing
you must have been establishing
they must have been establishing	

Negazione 	
Forma semplice 	Forma con V-ing 	Perfetto 	Perfetto con V-ing 	
I must not establish
you must not establish
he must not establish
we must not establish
you must not establish
they must not establish 	I must not be establishing
you must not be establishing
he must not be establishing
we must not be establishing
you must not be establishing
they must not be establishing	I must not have established
you must not have established
he must not have established
we must not have established
you must not have established
they must not have established	I must not have been establishing
you must not have been establishing
he must not have been establishing
we must not have been establishing
you must not have been establishing
they must not have been establishing	

Forma interrogativa 	
Forma semplice 	Forma con V-ing 	Perfetto 	Perfetto con V-ing 	
must I establish?
must you establish?
must he establish?
must we establish?
must you establish?
must they establish? 	must I be establishing?
must you be establishing?
must he be establishing?
must we be establishing?
must you be establishing?
must they be establishing? 	must I have established?
must you have established?
must he have established?
must we have established?
must you have established?
must they have established? 	must I have been establishing?
must you have been establishing?
must he have been establishing?
must we have been establishing?
must you have been establishing?
must they have been establishing? 	

Forma interro-negativa 	
Forma semplice 	Forma con V-ing 	Perfetto 	Perfetto con V-ing 	
must I not establish?
must you not establish?
must he not establish?
must we not establish?
must you not establish?
must they not establish? 	must I not be establishing?
must you not be establishing?
must he not be establishing?
must we not be establishing?
must you not be establishing?
must they not be establishing? 	must I not have established?
must you not have established?
must he not have established?
must we not have established?
must you not have established?
must they not have established? 	must I not have been establishing?
must you not have been establishing?
must he not have been establishing?
must we not have been establishing?
must you not have been establishing?
must they not have been establishing?