English verb conjugation
OUGHT TO CURVE

Regular verb: curve - curved - curved

Affirmation

Simple form	V-ing form
I ought to curve you ought to curve he ought to curve we ought to curve you ought to curve they ought to curve	I ought to be curving you ought to be curving he ought to be curving we ought to be curving you ought to be curving they ought to be curving
Perfect	V-ing perfect
I ought to have curved you ought to have curved he ought to have curved we ought to have curved you ought to have curved they ought to have curved	I ought to have been curving you ought to have been curving he ought to have been curving we ought to have been curving you ought to have been curving they ought to have been curving

Negation

Simple form	V-ing form
I oughtn't to curve you oughtn't to curve he oughtn't to curve we oughtn't to curve you oughtn't to curve they oughtn't to curve	I oughtn't to be curving you oughtn't to be curving he oughtn't to be curving we oughtn't to be curving you oughtn't to be curving they oughtn't to be curving
Perfect	V-ing perfect
I oughtn't to have curved you oughtn't to have curved he oughtn't to have curved we oughtn't to have curved you oughtn't to have curved they oughtn't to have curved	I oughtn't to have been curving you oughtn't to have been curving he oughtn't to have been curving we oughtn't to have been curving you oughtn't to have been curving they oughtn't to have been curving

Interrogative form

Simple form	V-ing form
ought to I curve? ought to you curve? ought to he curve? ought to we curve? ought to you curve? ought to they curve?	ought to I be curving? ought to you be curving? ought to he be curving? ought to we be curving? ought to you be curving? ought to they be curving?
Perfect	V-ing perfect
ought to I have curved? ought to you have curved? ought to he have curved? ought to we have curved? ought to you have curved? ought to they have curved?	ought to I have been curving? ought to you have been curving? ought to he have been curving? ought to we have been curving? ought to you have been curving? ought to they have been curving?

Interro-negative form

Simple form	V-ing form
oughtn't I to curve? oughtn't you to curve? oughtn't he to curve? oughtn't we to curve? oughtn't you to curve? oughtn't they to curve?	oughtn't I to be curving? oughtn't you to be curving? oughtn't he to be curving? oughtn't we to be curving? oughtn't you to be curving? oughtn't they to be curving?
Perfect	V-ing perfect
oughtn't I to have curved? oughtn't you to have curved? oughtn't he to have curved? oughtn't we to have curved? oughtn't you to have curved? oughtn't they to have curved?	oughtn't I to have been curving? oughtn't you to have been curving? oughtn't he to have been curving? oughtn't we to have been curving? oughtn't you to have been curving? oughtn't they to have been curving?