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 ought not to curve you ought not to curve he ought not to curve we ought not to curve you ought not to curve they ought not to curve	I ought not to curving you ought not to curving he ought not to curving we ought not to curving you ought not to curving they ought not to curving
Perfect	V-ing perfect
I ought not to have curved you ought not to have curved he ought not to have curved we ought not to have curved you ought not to have curved they ought not to have curved	I ought not to have been curving you ought not to have been curving he ought not to have been curving we ought not to have been curving you ought not to have been curving they ought not 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
ought I not to curve? ought you not to curve? ought he not to curve? ought we not to curve? ought you not to curve? ought they not to curve?	ought I not to be curving? ought you not to be curving? ought he not to be curving? ought we not to be curving? ought you not to be curving? ought they not to be curving?
Perfect	V-ing perfect
ought I not to have curved? ought you not to have curved? ought he not to have curved? ought we not to have curved? ought you not to have curved? ought they not to have curved?	ought I not to have been curving? ought you not to have been curving? ought he not to have been curving? ought we not to have been curving? ought you not to have been curving? ought they not to have been curving?