shall overbuild
Irregular verb: overbuild - overbuilt- overbuilt

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I'll overbuild
you'll overbuild
he'll overbuild
we'll overbuild
you'll overbuild
they'll overbuild 	I'll be overbuilding
you'll be overbuilding
he'll be overbuilding
we'll be overbuilding
you'll be overbuilding
they'll be overbuilding	I'll have overbuilt
you'll have overbuilt
he'll have overbuilt
we'll have overbuilt
you'll have overbuilt
they'll have overbuilt	I'll have been overbuilding
you'll have been overbuilding
he'll have been overbuilding
we'll have been overbuilding
you'll have been overbuilding
they'll have been overbuilding	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I shan't overbuild
you shan't overbuild
he shan't overbuild
we shan't overbuild
you shan't overbuild
they shan't overbuild 	I shan't be overbuilding
you shan't be overbuilding
he shan't be overbuilding
we shan't be overbuilding
you shan't be overbuilding
they shan't be overbuilding	I shan't have overbuilt
you shan't have overbuilt
he shan't have overbuilt
we shan't have overbuilt
you shan't have overbuilt
they shan't have overbuilt	I shan't have been overbuilding
you shan't have been overbuilding
he shan't have been overbuilding
we shan't have been overbuilding
you shan't have been overbuilding
they shan't have been overbuilding	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
shall I overbuild?
shall you overbuild?
shall he overbuild?
shall we overbuild?
shall you overbuild?
shall they overbuild? 	shall I be overbuilding?
shall you be overbuilding?
shall he be overbuilding?
shall we be overbuilding?
shall you be overbuilding?
shall they be overbuilding? 	shall I have overbuilt?
shall you have overbuilt?
shall he have overbuilt?
shall we have overbuilt?
shall you have overbuilt?
shall they have overbuilt? 	shall I have been overbuilding?
shall you have been overbuilding?
shall he have been overbuilding?
shall we have been overbuilding?
shall you have been overbuilding?
shall they have been overbuilding? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
shan't I overbuild?
shan't you overbuild?
shan't he overbuild?
shan't we overbuild?
shan't you overbuild?
shan't they overbuild? 	shan't I be overbuilding?
shan't you be overbuilding?
shan't he be overbuilding?
shan't we be overbuilding?
shan't you be overbuilding?
shan't they be overbuilding? 	shan't I have overbuilt?
shan't you have overbuilt?
shan't he have overbuilt?
shan't we have overbuilt?
shan't you have overbuilt?
shan't they have overbuilt? 	shan't I have been overbuilding?
shan't you have been overbuilding?
shan't he have been overbuilding?
shan't we have been overbuilding?
shan't you have been overbuilding?
shan't they have been overbuilding?