shall center
Regular verb: center - centered- centered

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

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I shall not center
you shall not center
he shall not center
we shall not center
you shall not center
they shall not center 	I shall not be centering
you shall not be centering
he shall not be centering
we shall not be centering
you shall not be centering
they shall not be centering	I shall not have centered
you shall not have centered
he shall not have centered
we shall not have centered
you shall not have centered
they shall not have centered	I shall not have been centering
you shall not have been centering
he shall not have been centering
we shall not have been centering
you shall not have been centering
they shall not 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 	
shall I not center?
shall you not center?
shall he not center?
shall we not center?
shall you not center?
shall they not center? 	shall I not be centering?
shall you not be centering?
shall he not be centering?
shall we not be centering?
shall you not be centering?
shall they not be centering? 	shall I not have centered?
shall you not have centered?
shall he not have centered?
shall we not have centered?
shall you not have centered?
shall they not have centered? 	shall I not have been centering?
shall you not have been centering?
shall he not have been centering?
shall we not have been centering?
shall you not have been centering?
shall they not have been centering?