English verb conjugation
OUGHT TO CUBE

Regular verb: cube - cubed - cubed

Affirmation

Simple form	V-ing form
I ought to cube you ought to cube she ought to cube we ought to cube you ought to cube they ought to cube	I ought to be cubing you ought to be cubing she ought to be cubing we ought to be cubing you ought to be cubing they ought to be cubing
Perfect	V-ing perfect
I ought to have cubed you ought to have cubed she ought to have cubed we ought to have cubed you ought to have cubed they ought to have cubed	I ought to have been cubing you ought to have been cubing she ought to have been cubing we ought to have been cubing you ought to have been cubing they ought to have been cubing

Negation

Simple form	V-ing form
I oughtn't to cube you oughtn't to cube she oughtn't to cube we oughtn't to cube you oughtn't to cube they oughtn't to cube	I oughtn't to be cubing you oughtn't to be cubing she oughtn't to be cubing we oughtn't to be cubing you oughtn't to be cubing they oughtn't to be cubing
Perfect	V-ing perfect
I oughtn't to have cubed you oughtn't to have cubed she oughtn't to have cubed we oughtn't to have cubed you oughtn't to have cubed they oughtn't to have cubed	I oughtn't to have been cubing you oughtn't to have been cubing she oughtn't to have been cubing we oughtn't to have been cubing you oughtn't to have been cubing they oughtn't to have been cubing

Interrogative form

Simple form	V-ing form
ought to I cube? ought to you cube? ought to she cube? ought to we cube? ought to you cube? ought to they cube?	ought to I be cubing? ought to you be cubing? ought to she be cubing? ought to we be cubing? ought to you be cubing? ought to they be cubing?
Perfect	V-ing perfect
ought to I have cubed? ought to you have cubed? ought to she have cubed? ought to we have cubed? ought to you have cubed? ought to they have cubed?	ought to I have been cubing? ought to you have been cubing? ought to she have been cubing? ought to we have been cubing? ought to you have been cubing? ought to they have been cubing?

Interro-negative form

Simple form	V-ing form
oughtn't I to cube? oughtn't you to cube? oughtn't she to cube? oughtn't we to cube? oughtn't you to cube? oughtn't they to cube?	oughtn't I to be cubing? oughtn't you to be cubing? oughtn't she to be cubing? oughtn't we to be cubing? oughtn't you to be cubing? oughtn't they to be cubing?
Perfect	V-ing perfect
oughtn't I to have cubed? oughtn't you to have cubed? oughtn't she to have cubed? oughtn't we to have cubed? oughtn't you to have cubed? oughtn't they to have cubed?	oughtn't I to have been cubing? oughtn't you to have been cubing? oughtn't she to have been cubing? oughtn't we to have been cubing? oughtn't you to have been cubing? oughtn't they to have been cubing?