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