English verb conjugation
OUGHT TO TOUGH

Regular verb: tough - toughed - toughed

Affirmation

Simple form	V-ing form
I ought to tough you ought to tough he ought to tough we ought to tough you ought to tough they ought to tough	I ought to be toughing you ought to be toughing he ought to be toughing we ought to be toughing you ought to be toughing they ought to be toughing
Perfect	V-ing perfect
I ought to have toughed you ought to have toughed he ought to have toughed we ought to have toughed you ought to have toughed they ought to have toughed	I ought to have been toughing you ought to have been toughing he ought to have been toughing we ought to have been toughing you ought to have been toughing they ought to have been toughing

Negation

Simple form	V-ing form
I oughtn't to tough you oughtn't to tough he oughtn't to tough we oughtn't to tough you oughtn't to tough they oughtn't to tough	I oughtn't to be toughing you oughtn't to be toughing he oughtn't to be toughing we oughtn't to be toughing you oughtn't to be toughing they oughtn't to be toughing
Perfect	V-ing perfect
I oughtn't to have toughed you oughtn't to have toughed he oughtn't to have toughed we oughtn't to have toughed you oughtn't to have toughed they oughtn't to have toughed	I oughtn't to have been toughing you oughtn't to have been toughing he oughtn't to have been toughing we oughtn't to have been toughing you oughtn't to have been toughing they oughtn't to have been toughing

Interrogative form

Simple form	V-ing form
ought to I tough? ought to you tough? ought to he tough? ought to we tough? ought to you tough? ought to they tough?	ought to I be toughing? ought to you be toughing? ought to he be toughing? ought to we be toughing? ought to you be toughing? ought to they be toughing?
Perfect	V-ing perfect
ought to I have toughed? ought to you have toughed? ought to he have toughed? ought to we have toughed? ought to you have toughed? ought to they have toughed?	ought to I have been toughing? ought to you have been toughing? ought to he have been toughing? ought to we have been toughing? ought to you have been toughing? ought to they have been toughing?

Interro-negative form

Simple form	V-ing form
oughtn't I to tough? oughtn't you to tough? oughtn't he to tough? oughtn't we to tough? oughtn't you to tough? oughtn't they to tough?	oughtn't I to be toughing? oughtn't you to be toughing? oughtn't he to be toughing? oughtn't we to be toughing? oughtn't you to be toughing? oughtn't they to be toughing?
Perfect	V-ing perfect
oughtn't I to have toughed? oughtn't you to have toughed? oughtn't he to have toughed? oughtn't we to have toughed? oughtn't you to have toughed? oughtn't they to have toughed?	oughtn't I to have been toughing? oughtn't you to have been toughing? oughtn't he to have been toughing? oughtn't we to have been toughing? oughtn't you to have been toughing? oughtn't they to have been toughing?