must orb
Verbo regolare: orb - orbed- orbed

Affermazione 	
Forma semplice 	Forma con V-ing 	Perfetto 	Perfetto con V-ing 	
I must orb
you must orb
he must orb
we must orb
you must orb
they must orb 	I must be orbing
you must be orbing
he must be orbing
we must be orbing
you must be orbing
they must be orbing	I must have orbed
you must have orbed
he must have orbed
we must have orbed
you must have orbed
they must have orbed	I must have been orbing
you must have been orbing
he must have been orbing
we must have been orbing
you must have been orbing
they must have been orbing	

Negazione 	
Forma semplice 	Forma con V-ing 	Perfetto 	Perfetto con V-ing 	
I must not orb
you must not orb
he must not orb
we must not orb
you must not orb
they must not orb 	I must not be orbing
you must not be orbing
he must not be orbing
we must not be orbing
you must not be orbing
they must not be orbing	I must not have orbed
you must not have orbed
he must not have orbed
we must not have orbed
you must not have orbed
they must not have orbed	I must not have been orbing
you must not have been orbing
he must not have been orbing
we must not have been orbing
you must not have been orbing
they must not have been orbing	

Forma interrogativa 	
Forma semplice 	Forma con V-ing 	Perfetto 	Perfetto con V-ing 	
must I orb?
must you orb?
must he orb?
must we orb?
must you orb?
must they orb? 	must I be orbing?
must you be orbing?
must he be orbing?
must we be orbing?
must you be orbing?
must they be orbing? 	must I have orbed?
must you have orbed?
must he have orbed?
must we have orbed?
must you have orbed?
must they have orbed? 	must I have been orbing?
must you have been orbing?
must he have been orbing?
must we have been orbing?
must you have been orbing?
must they have been orbing? 	

Forma interro-negativa 	
Forma semplice 	Forma con V-ing 	Perfetto 	Perfetto con V-ing 	
must I not orb?
must you not orb?
must he not orb?
must we not orb?
must you not orb?
must they not orb? 	must I not be orbing?
must you not be orbing?
must he not be orbing?
must we not be orbing?
must you not be orbing?
must they not be orbing? 	must I not have orbed?
must you not have orbed?
must he not have orbed?
must we not have orbed?
must you not have orbed?
must they not have orbed? 	must I not have been orbing?
must you not have been orbing?
must he not have been orbing?
must we not have been orbing?
must you not have been orbing?
must they not have been orbing?