shall overstuff
Regular verb: overstuff - overstuffed- overstuffed

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I'll overstuff
you'll overstuff
he'll overstuff
we'll overstuff
you'll overstuff
they'll overstuff 	I'll be overstuffing
you'll be overstuffing
he'll be overstuffing
we'll be overstuffing
you'll be overstuffing
they'll be overstuffing	I'll have overstuffed
you'll have overstuffed
he'll have overstuffed
we'll have overstuffed
you'll have overstuffed
they'll have overstuffed	I'll have been overstuffing
you'll have been overstuffing
he'll have been overstuffing
we'll have been overstuffing
you'll have been overstuffing
they'll have been overstuffing	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I shan't overstuff
you shan't overstuff
he shan't overstuff
we shan't overstuff
you shan't overstuff
they shan't overstuff 	I shan't be overstuffing
you shan't be overstuffing
he shan't be overstuffing
we shan't be overstuffing
you shan't be overstuffing
they shan't be overstuffing	I shan't have overstuffed
you shan't have overstuffed
he shan't have overstuffed
we shan't have overstuffed
you shan't have overstuffed
they shan't have overstuffed	I shan't have been overstuffing
you shan't have been overstuffing
he shan't have been overstuffing
we shan't have been overstuffing
you shan't have been overstuffing
they shan't have been overstuffing	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
shall I overstuff?
shall you overstuff?
shall he overstuff?
shall we overstuff?
shall you overstuff?
shall they overstuff? 	shall I be overstuffing?
shall you be overstuffing?
shall he be overstuffing?
shall we be overstuffing?
shall you be overstuffing?
shall they be overstuffing? 	shall I have overstuffed?
shall you have overstuffed?
shall he have overstuffed?
shall we have overstuffed?
shall you have overstuffed?
shall they have overstuffed? 	shall I have been overstuffing?
shall you have been overstuffing?
shall he have been overstuffing?
shall we have been overstuffing?
shall you have been overstuffing?
shall they have been overstuffing? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
shan't I overstuff?
shan't you overstuff?
shan't he overstuff?
shan't we overstuff?
shan't you overstuff?
shan't they overstuff? 	shan't I be overstuffing?
shan't you be overstuffing?
shan't he be overstuffing?
shan't we be overstuffing?
shan't you be overstuffing?
shan't they be overstuffing? 	shan't I have overstuffed?
shan't you have overstuffed?
shan't he have overstuffed?
shan't we have overstuffed?
shan't you have overstuffed?
shan't they have overstuffed? 	shan't I have been overstuffing?
shan't you have been overstuffing?
shan't he have been overstuffing?
shan't we have been overstuffing?
shan't you have been overstuffing?
shan't they have been overstuffing?