English verb conjugation
OUGHT TO DRUB

Regular verb: drub - drubbed - drubbed

Affirmation

Simple form	V-ing form
I ought to drub you ought to drub he ought to drub we ought to drub you ought to drub they ought to drub	I ought to be drubbing you ought to be drubbing he ought to be drubbing we ought to be drubbing you ought to be drubbing they ought to be drubbing
Perfect	V-ing perfect
I ought to have drubbed you ought to have drubbed he ought to have drubbed we ought to have drubbed you ought to have drubbed they ought to have drubbed	I ought to have been drubbing you ought to have been drubbing he ought to have been drubbing we ought to have been drubbing you ought to have been drubbing they ought to have been drubbing

Negation

Simple form	V-ing form
I oughtn't to drub you oughtn't to drub he oughtn't to drub we oughtn't to drub you oughtn't to drub they oughtn't to drub	I oughtn't to be drubbing you oughtn't to be drubbing he oughtn't to be drubbing we oughtn't to be drubbing you oughtn't to be drubbing they oughtn't to be drubbing
Perfect	V-ing perfect
I oughtn't to have drubbed you oughtn't to have drubbed he oughtn't to have drubbed we oughtn't to have drubbed you oughtn't to have drubbed they oughtn't to have drubbed	I oughtn't to have been drubbing you oughtn't to have been drubbing he oughtn't to have been drubbing we oughtn't to have been drubbing you oughtn't to have been drubbing they oughtn't to have been drubbing

Interrogative form

Simple form	V-ing form
ought to I drub? ought to you drub? ought to he drub? ought to we drub? ought to you drub? ought to they drub?	ought to I be drubbing? ought to you be drubbing? ought to he be drubbing? ought to we be drubbing? ought to you be drubbing? ought to they be drubbing?
Perfect	V-ing perfect
ought to I have drubbed? ought to you have drubbed? ought to he have drubbed? ought to we have drubbed? ought to you have drubbed? ought to they have drubbed?	ought to I have been drubbing? ought to you have been drubbing? ought to he have been drubbing? ought to we have been drubbing? ought to you have been drubbing? ought to they have been drubbing?

Interro-negative form

Simple form	V-ing form
oughtn't I to drub? oughtn't you to drub? oughtn't he to drub? oughtn't we to drub? oughtn't you to drub? oughtn't they to drub?	oughtn't I to be drubbing? oughtn't you to be drubbing? oughtn't he to be drubbing? oughtn't we to be drubbing? oughtn't you to be drubbing? oughtn't they to be drubbing?
Perfect	V-ing perfect
oughtn't I to have drubbed? oughtn't you to have drubbed? oughtn't he to have drubbed? oughtn't we to have drubbed? oughtn't you to have drubbed? oughtn't they to have drubbed?	oughtn't I to have been drubbing? oughtn't you to have been drubbing? oughtn't he to have been drubbing? oughtn't we to have been drubbing? oughtn't you to have been drubbing? oughtn't they to have been drubbing?