shall retard
Regular verb: retard - retarded- retarded

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I shall retard
you shall retard
she shall retard
we shall retard
you shall retard
they shall retard 	I shall be retarding
you shall be retarding
she shall be retarding
we shall be retarding
you shall be retarding
they shall be retarding	I shall have retarded
you shall have retarded
she shall have retarded
we shall have retarded
you shall have retarded
they shall have retarded	I shall have been retarding
you shall have been retarding
she shall have been retarding
we shall have been retarding
you shall have been retarding
they shall have been retarding	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I shall not retard
you shall not retard
she shall not retard
we shall not retard
you shall not retard
they shall not retard 	I shall not be retarding
you shall not be retarding
she shall not be retarding
we shall not be retarding
you shall not be retarding
they shall not be retarding	I shall not have retarded
you shall not have retarded
she shall not have retarded
we shall not have retarded
you shall not have retarded
they shall not have retarded	I shall not have been retarding
you shall not have been retarding
she shall not have been retarding
we shall not have been retarding
you shall not have been retarding
they shall not have been retarding	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
shall I retard?
shall you retard?
shall she retard?
shall we retard?
shall you retard?
shall they retard? 	shall I be retarding?
shall you be retarding?
shall she be retarding?
shall we be retarding?
shall you be retarding?
shall they be retarding? 	shall I have retarded?
shall you have retarded?
shall she have retarded?
shall we have retarded?
shall you have retarded?
shall they have retarded? 	shall I have been retarding?
shall you have been retarding?
shall she have been retarding?
shall we have been retarding?
shall you have been retarding?
shall they have been retarding? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
shall I not retard?
shall you not retard?
shall she not retard?
shall we not retard?
shall you not retard?
shall they not retard? 	shall I not be retarding?
shall you not be retarding?
shall she not be retarding?
shall we not be retarding?
shall you not be retarding?
shall they not be retarding? 	shall I not have retarded?
shall you not have retarded?
shall she not have retarded?
shall we not have retarded?
shall you not have retarded?
shall they not have retarded? 	shall I not have been retarding?
shall you not have been retarding?
shall she not have been retarding?
shall we not have been retarding?
shall you not have been retarding?
shall they not have been retarding?