must commission
Verbo regular: commission - commissioned- commissioned

Afirmación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I must commission
you must commission
he must commission
we must commission
you must commission
they must commission 	I must be commissioning
you must be commissioning
he must be commissioning
we must be commissioning
you must be commissioning
they must be commissioning	I must have commissioned
you must have commissioned
he must have commissioned
we must have commissioned
you must have commissioned
they must have commissioned	I must have been commissioning
you must have been commissioning
he must have been commissioning
we must have been commissioning
you must have been commissioning
they must have been commissioning	

Negación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I must not commission
you must not commission
he must not commission
we must not commission
you must not commission
they must not commission 	I must not be commissioning
you must not be commissioning
he must not be commissioning
we must not be commissioning
you must not be commissioning
they must not be commissioning	I must not have commissioned
you must not have commissioned
he must not have commissioned
we must not have commissioned
you must not have commissioned
they must not have commissioned	I must not have been commissioning
you must not have been commissioning
he must not have been commissioning
we must not have been commissioning
you must not have been commissioning
they must not have been commissioning	

Forma interrogativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
must I commission?
must you commission?
must he commission?
must we commission?
must you commission?
must they commission? 	must I be commissioning?
must you be commissioning?
must he be commissioning?
must we be commissioning?
must you be commissioning?
must they be commissioning? 	must I have commissioned?
must you have commissioned?
must he have commissioned?
must we have commissioned?
must you have commissioned?
must they have commissioned? 	must I have been commissioning?
must you have been commissioning?
must he have been commissioning?
must we have been commissioning?
must you have been commissioning?
must they have been commissioning? 	

Forma interro-negativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
must I not commission?
must you not commission?
must he not commission?
must we not commission?
must you not commission?
must they not commission? 	must I not be commissioning?
must you not be commissioning?
must he not be commissioning?
must we not be commissioning?
must you not be commissioning?
must they not be commissioning? 	must I not have commissioned?
must you not have commissioned?
must he not have commissioned?
must we not have commissioned?
must you not have commissioned?
must they not have commissioned? 	must I not have been commissioning?
must you not have been commissioning?
must he not have been commissioning?
must we not have been commissioning?
must you not have been commissioning?
must they not have been commissioning?