English verb conjugation
OUGHT TO CURB

Regular verb: curb - curbed - curbed

Affirmation

Simple form	V-ing form
I ought to curb you ought to curb he ought to curb we ought to curb you ought to curb they ought to curb	I ought to be curbing you ought to be curbing he ought to be curbing we ought to be curbing you ought to be curbing they ought to be curbing
Perfect	V-ing perfect
I ought to have curbed you ought to have curbed he ought to have curbed we ought to have curbed you ought to have curbed they ought to have curbed	I ought to have been curbing you ought to have been curbing he ought to have been curbing we ought to have been curbing you ought to have been curbing they ought to have been curbing

Negation

Simple form	V-ing form
I ought not to curb you ought not to curb he ought not to curb we ought not to curb you ought not to curb they ought not to curb	I ought not to curbing you ought not to curbing he ought not to curbing we ought not to curbing you ought not to curbing they ought not to curbing
Perfect	V-ing perfect
I ought not to have curbed you ought not to have curbed he ought not to have curbed we ought not to have curbed you ought not to have curbed they ought not to have curbed	I ought not to have been curbing you ought not to have been curbing he ought not to have been curbing we ought not to have been curbing you ought not to have been curbing they ought not to have been curbing

Interrogative form

Simple form	V-ing form
ought to I curb? ought to you curb? ought to he curb? ought to we curb? ought to you curb? ought to they curb?	ought to I be curbing? ought to you be curbing? ought to he be curbing? ought to we be curbing? ought to you be curbing? ought to they be curbing?
Perfect	V-ing perfect
ought to I have curbed? ought to you have curbed? ought to he have curbed? ought to we have curbed? ought to you have curbed? ought to they have curbed?	ought to I have been curbing? ought to you have been curbing? ought to he have been curbing? ought to we have been curbing? ought to you have been curbing? ought to they have been curbing?

Interro-negative form

Simple form	V-ing form
ought I not to curb? ought you not to curb? ought he not to curb? ought we not to curb? ought you not to curb? ought they not to curb?	ought I not to be curbing? ought you not to be curbing? ought he not to be curbing? ought we not to be curbing? ought you not to be curbing? ought they not to be curbing?
Perfect	V-ing perfect
ought I not to have curbed? ought you not to have curbed? ought he not to have curbed? ought we not to have curbed? ought you not to have curbed? ought they not to have curbed?	ought I not to have been curbing? ought you not to have been curbing? ought he not to have been curbing? ought we not to have been curbing? ought you not to have been curbing? ought they not to have been curbing?