English verb conjugation
OUGHT TO RETARD

Regular verb: retard - retarded - retarded

Affirmation

Simple form	V-ing form
I ought to retard you ought to retard he ought to retard we ought to retard you ought to retard they ought to retard	I ought to be retarding you ought to be retarding he ought to be retarding we ought to be retarding you ought to be retarding they ought to be retarding
Perfect	V-ing perfect
I ought to have retarded you ought to have retarded he ought to have retarded we ought to have retarded you ought to have retarded they ought to have retarded	I ought to have been retarding you ought to have been retarding he ought to have been retarding we ought to have been retarding you ought to have been retarding they ought to have been retarding

Negation

Simple form	V-ing form
I oughtn't to retard you oughtn't to retard he oughtn't to retard we oughtn't to retard you oughtn't to retard they oughtn't to retard	I oughtn't to be retarding you oughtn't to be retarding he oughtn't to be retarding we oughtn't to be retarding you oughtn't to be retarding they oughtn't to be retarding
Perfect	V-ing perfect
I oughtn't to have retarded you oughtn't to have retarded he oughtn't to have retarded we oughtn't to have retarded you oughtn't to have retarded they oughtn't to have retarded	I oughtn't to have been retarding you oughtn't to have been retarding he oughtn't to have been retarding we oughtn't to have been retarding you oughtn't to have been retarding they oughtn't to have been retarding

Interrogative form

Simple form	V-ing form
ought to I retard? ought to you retard? ought to he retard? ought to we retard? ought to you retard? ought to they retard?	ought to I be retarding? ought to you be retarding? ought to he be retarding? ought to we be retarding? ought to you be retarding? ought to they be retarding?
Perfect	V-ing perfect
ought to I have retarded? ought to you have retarded? ought to he have retarded? ought to we have retarded? ought to you have retarded? ought to they have retarded?	ought to I have been retarding? ought to you have been retarding? ought to he have been retarding? ought to we have been retarding? ought to you have been retarding? ought to they have been retarding?

Interro-negative form

Simple form	V-ing form
oughtn't I to retard? oughtn't you to retard? oughtn't he to retard? oughtn't we to retard? oughtn't you to retard? oughtn't they to retard?	oughtn't I to be retarding? oughtn't you to be retarding? oughtn't he to be retarding? oughtn't we to be retarding? oughtn't you to be retarding? oughtn't they to be retarding?
Perfect	V-ing perfect
oughtn't I to have retarded? oughtn't you to have retarded? oughtn't he to have retarded? oughtn't we to have retarded? oughtn't you to have retarded? oughtn't they to have retarded?	oughtn't I to have been retarding? oughtn't you to have been retarding? oughtn't he to have been retarding? oughtn't we to have been retarding? oughtn't you to have been retarding? oughtn't they to have been retarding?