must overstuff
Verbo regular: overstuff - overstuffed- overstuffed

Afirmação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I must overstuff
you must overstuff
she must overstuff
we must overstuff
you must overstuff
they must overstuff 	I must be overstuffing
you must be overstuffing
she must be overstuffing
we must be overstuffing
you must be overstuffing
they must be overstuffing	I must have overstuffed
you must have overstuffed
she 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
she must have been overstuffing
we must have been overstuffing
you must have been overstuffing
they must have been overstuffing	

Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I must not overstuff
you must not overstuff
she 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
she 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
she 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
she 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 com V-ing 	Perfeito 	Perfeito com V-ing 	
must I overstuff?
must you overstuff?
must she overstuff?
must we overstuff?
must you overstuff?
must they overstuff? 	must I be overstuffing?
must you be overstuffing?
must she be overstuffing?
must we be overstuffing?
must you be overstuffing?
must they be overstuffing? 	must I have overstuffed?
must you have overstuffed?
must she 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 she have been overstuffing?
must we have been overstuffing?
must you have been overstuffing?
must they have been overstuffing? 	

Forma interro-Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
must I not overstuff?
must you not overstuff?
must she 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 she 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 she 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 she not have been overstuffing?
must we not have been overstuffing?
must you not have been overstuffing?
must they not have been overstuffing?