shall overgrade
Regular verb: overgrade - overgraded- overgraded

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I'll overgrade
you'll overgrade
he'll overgrade
we'll overgrade
you'll overgrade
they'll overgrade 	I'll be overgrading
you'll be overgrading
he'll be overgrading
we'll be overgrading
you'll be overgrading
they'll be overgrading	I'll have overgraded
you'll have overgraded
he'll have overgraded
we'll have overgraded
you'll have overgraded
they'll have overgraded	I'll have been overgrading
you'll have been overgrading
he'll have been overgrading
we'll have been overgrading
you'll have been overgrading
they'll have been overgrading	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I shan't overgrade
you shan't overgrade
he shan't overgrade
we shan't overgrade
you shan't overgrade
they shan't overgrade 	I shan't be overgrading
you shan't be overgrading
he shan't be overgrading
we shan't be overgrading
you shan't be overgrading
they shan't be overgrading	I shan't have overgraded
you shan't have overgraded
he shan't have overgraded
we shan't have overgraded
you shan't have overgraded
they shan't have overgraded	I shan't have been overgrading
you shan't have been overgrading
he shan't have been overgrading
we shan't have been overgrading
you shan't have been overgrading
they shan't have been overgrading	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
shall I overgrade?
shall you overgrade?
shall he overgrade?
shall we overgrade?
shall you overgrade?
shall they overgrade? 	shall I be overgrading?
shall you be overgrading?
shall he be overgrading?
shall we be overgrading?
shall you be overgrading?
shall they be overgrading? 	shall I have overgraded?
shall you have overgraded?
shall he have overgraded?
shall we have overgraded?
shall you have overgraded?
shall they have overgraded? 	shall I have been overgrading?
shall you have been overgrading?
shall he have been overgrading?
shall we have been overgrading?
shall you have been overgrading?
shall they have been overgrading? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
shan't I overgrade?
shan't you overgrade?
shan't he overgrade?
shan't we overgrade?
shan't you overgrade?
shan't they overgrade? 	shan't I be overgrading?
shan't you be overgrading?
shan't he be overgrading?
shan't we be overgrading?
shan't you be overgrading?
shan't they be overgrading? 	shan't I have overgraded?
shan't you have overgraded?
shan't he have overgraded?
shan't we have overgraded?
shan't you have overgraded?
shan't they have overgraded? 	shan't I have been overgrading?
shan't you have been overgrading?
shan't he have been overgrading?
shan't we have been overgrading?
shan't you have been overgrading?
shan't they have been overgrading?