shall center
Regular verb: center - centered- centered

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I'll center
you'll center
he'll center
we'll center
you'll center
they'll center 	I'll be centering
you'll be centering
he'll be centering
we'll be centering
you'll be centering
they'll be centering	I'll have centered
you'll have centered
he'll have centered
we'll have centered
you'll have centered
they'll have centered	I'll have been centering
you'll have been centering
he'll have been centering
we'll have been centering
you'll have been centering
they'll have been centering	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I shan't center
you shan't center
he shan't center
we shan't center
you shan't center
they shan't center 	I shan't be centering
you shan't be centering
he shan't be centering
we shan't be centering
you shan't be centering
they shan't be centering	I shan't have centered
you shan't have centered
he shan't have centered
we shan't have centered
you shan't have centered
they shan't have centered	I shan't have been centering
you shan't have been centering
he shan't have been centering
we shan't have been centering
you shan't have been centering
they shan't have been centering	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
shall I center?
shall you center?
shall he center?
shall we center?
shall you center?
shall they center? 	shall I be centering?
shall you be centering?
shall he be centering?
shall we be centering?
shall you be centering?
shall they be centering? 	shall I have centered?
shall you have centered?
shall he have centered?
shall we have centered?
shall you have centered?
shall they have centered? 	shall I have been centering?
shall you have been centering?
shall he have been centering?
shall we have been centering?
shall you have been centering?
shall they have been centering? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
shan't I center?
shan't you center?
shan't he center?
shan't we center?
shan't you center?
shan't they center? 	shan't I be centering?
shan't you be centering?
shan't he be centering?
shan't we be centering?
shan't you be centering?
shan't they be centering? 	shan't I have centered?
shan't you have centered?
shan't he have centered?
shan't we have centered?
shan't you have centered?
shan't they have centered? 	shan't I have been centering?
shan't you have been centering?
shan't he have been centering?
shan't we have been centering?
shan't you have been centering?
shan't they have been centering?