must pirate
Verbo regular: pirate - pirated- pirated

Afirmación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I must pirate
you must pirate
she must pirate
we must pirate
you must pirate
they must pirate 	I must be pirating
you must be pirating
she must be pirating
we must be pirating
you must be pirating
they must be pirating	I must have pirated
you must have pirated
she must have pirated
we must have pirated
you must have pirated
they must have pirated	I must have been pirating
you must have been pirating
she must have been pirating
we must have been pirating
you must have been pirating
they must have been pirating	

Negación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I must not pirate
you must not pirate
she must not pirate
we must not pirate
you must not pirate
they must not pirate 	I must not be pirating
you must not be pirating
she must not be pirating
we must not be pirating
you must not be pirating
they must not be pirating	I must not have pirated
you must not have pirated
she must not have pirated
we must not have pirated
you must not have pirated
they must not have pirated	I must not have been pirating
you must not have been pirating
she must not have been pirating
we must not have been pirating
you must not have been pirating
they must not have been pirating	

Forma interrogativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
must I pirate?
must you pirate?
must she pirate?
must we pirate?
must you pirate?
must they pirate? 	must I be pirating?
must you be pirating?
must she be pirating?
must we be pirating?
must you be pirating?
must they be pirating? 	must I have pirated?
must you have pirated?
must she have pirated?
must we have pirated?
must you have pirated?
must they have pirated? 	must I have been pirating?
must you have been pirating?
must she have been pirating?
must we have been pirating?
must you have been pirating?
must they have been pirating? 	

Forma interro-negativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
must I not pirate?
must you not pirate?
must she not pirate?
must we not pirate?
must you not pirate?
must they not pirate? 	must I not be pirating?
must you not be pirating?
must she not be pirating?
must we not be pirating?
must you not be pirating?
must they not be pirating? 	must I not have pirated?
must you not have pirated?
must she not have pirated?
must we not have pirated?
must you not have pirated?
must they not have pirated? 	must I not have been pirating?
must you not have been pirating?
must she not have been pirating?
must we not have been pirating?
must you not have been pirating?
must they not have been pirating?