must overstuff
Verbo regular: overstuff - overstuffed- overstuffed

Afirmación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I must overstuff
you must overstuff
he must overstuff
we must overstuff
you must overstuff
they must overstuff 	I must be overstuffing
you must be overstuffing
he must be overstuffing
we must be overstuffing
you must be overstuffing
they must be overstuffing	I must have overstuffed
you must have overstuffed
he must have overstuffed
we must have overstuffed
you must have overstuffed
they must have overstuffed	I must have been overstuffing
you must have been overstuffing
he must have been overstuffing
we must have been overstuffing
you must have been overstuffing
they must have been overstuffing	

Negación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I must not overstuff
you must not overstuff
he must not overstuff
we must not overstuff
you must not overstuff
they must not overstuff 	I must not be overstuffing
you must not be overstuffing
he must not be overstuffing
we must not be overstuffing
you must not be overstuffing
they must not be overstuffing	I must not have overstuffed
you must not have overstuffed
he must not have overstuffed
we must not have overstuffed
you must not have overstuffed
they must not have overstuffed	I must not have been overstuffing
you must not have been overstuffing
he must not have been overstuffing
we must not have been overstuffing
you must not have been overstuffing
they must not have been overstuffing	

Forma interrogativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
must I overstuff?
must you overstuff?
must he overstuff?
must we overstuff?
must you overstuff?
must they overstuff? 	must I be overstuffing?
must you be overstuffing?
must he be overstuffing?
must we be overstuffing?
must you be overstuffing?
must they be overstuffing? 	must I have overstuffed?
must you have overstuffed?
must he have overstuffed?
must we have overstuffed?
must you have overstuffed?
must they have overstuffed? 	must I have been overstuffing?
must you have been overstuffing?
must he have been overstuffing?
must we have been overstuffing?
must you have been overstuffing?
must they have been overstuffing? 	

Forma interro-negativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
must I not overstuff?
must you not overstuff?
must he not overstuff?
must we not overstuff?
must you not overstuff?
must they not overstuff? 	must I not be overstuffing?
must you not be overstuffing?
must he not be overstuffing?
must we not be overstuffing?
must you not be overstuffing?
must they not be overstuffing? 	must I not have overstuffed?
must you not have overstuffed?
must he not have overstuffed?
must we not have overstuffed?
must you not have overstuffed?
must they not have overstuffed? 	must I not have been overstuffing?
must you not have been overstuffing?
must he not have been overstuffing?
must we not have been overstuffing?
must you not have been overstuffing?
must they not have been overstuffing?