English verb conjugation
OUGHT TO BUTTON

Regular verb: button - buttoned - buttoned

Affirmation

Simple form	V-ing form
I ought to button you ought to button he ought to button we ought to button you ought to button they ought to button	I ought to be buttoning you ought to be buttoning he ought to be buttoning we ought to be buttoning you ought to be buttoning they ought to be buttoning
Perfect	V-ing perfect
I ought to have buttoned you ought to have buttoned he ought to have buttoned we ought to have buttoned you ought to have buttoned they ought to have buttoned	I ought to have been buttoning you ought to have been buttoning he ought to have been buttoning we ought to have been buttoning you ought to have been buttoning they ought to have been buttoning

Negation

Simple form	V-ing form
I ought not to button you ought not to button he ought not to button we ought not to button you ought not to button they ought not to button	I ought not to buttoning you ought not to buttoning he ought not to buttoning we ought not to buttoning you ought not to buttoning they ought not to buttoning
Perfect	V-ing perfect
I ought not to have buttoned you ought not to have buttoned he ought not to have buttoned we ought not to have buttoned you ought not to have buttoned they ought not to have buttoned	I ought not to have been buttoning you ought not to have been buttoning he ought not to have been buttoning we ought not to have been buttoning you ought not to have been buttoning they ought not to have been buttoning

Interrogative form

Simple form	V-ing form
ought to I button? ought to you button? ought to he button? ought to we button? ought to you button? ought to they button?	ought to I be buttoning? ought to you be buttoning? ought to he be buttoning? ought to we be buttoning? ought to you be buttoning? ought to they be buttoning?
Perfect	V-ing perfect
ought to I have buttoned? ought to you have buttoned? ought to he have buttoned? ought to we have buttoned? ought to you have buttoned? ought to they have buttoned?	ought to I have been buttoning? ought to you have been buttoning? ought to he have been buttoning? ought to we have been buttoning? ought to you have been buttoning? ought to they have been buttoning?

Interro-negative form

Simple form	V-ing form
ought I not to button? ought you not to button? ought he not to button? ought we not to button? ought you not to button? ought they not to button?	ought I not to be buttoning? ought you not to be buttoning? ought he not to be buttoning? ought we not to be buttoning? ought you not to be buttoning? ought they not to be buttoning?
Perfect	V-ing perfect
ought I not to have buttoned? ought you not to have buttoned? ought he not to have buttoned? ought we not to have buttoned? ought you not to have buttoned? ought they not to have buttoned?	ought I not to have been buttoning? ought you not to have been buttoning? ought he not to have been buttoning? ought we not to have been buttoning? ought you not to have been buttoning? ought they not to have been buttoning?