English verb conjugation
OUGHT TO CLASS

Regular verb: class - classed - classed

Affirmation

Simple form	V-ing form
I ought to class you ought to class he ought to class we ought to class you ought to class they ought to class	I ought to be classing you ought to be classing he ought to be classing we ought to be classing you ought to be classing they ought to be classing
Perfect	V-ing perfect
I ought to have classed you ought to have classed he ought to have classed we ought to have classed you ought to have classed they ought to have classed	I ought to have been classing you ought to have been classing he ought to have been classing we ought to have been classing you ought to have been classing they ought to have been classing

Negation

Simple form	V-ing form
I ought not to class you ought not to class he ought not to class we ought not to class you ought not to class they ought not to class	I ought not to classing you ought not to classing he ought not to classing we ought not to classing you ought not to classing they ought not to classing
Perfect	V-ing perfect
I ought not to have classed you ought not to have classed he ought not to have classed we ought not to have classed you ought not to have classed they ought not to have classed	I ought not to have been classing you ought not to have been classing he ought not to have been classing we ought not to have been classing you ought not to have been classing they ought not to have been classing

Interrogative form

Simple form	V-ing form
ought to I class? ought to you class? ought to he class? ought to we class? ought to you class? ought to they class?	ought to I be classing? ought to you be classing? ought to he be classing? ought to we be classing? ought to you be classing? ought to they be classing?
Perfect	V-ing perfect
ought to I have classed? ought to you have classed? ought to he have classed? ought to we have classed? ought to you have classed? ought to they have classed?	ought to I have been classing? ought to you have been classing? ought to he have been classing? ought to we have been classing? ought to you have been classing? ought to they have been classing?

Interro-negative form

Simple form	V-ing form
ought I not to class? ought you not to class? ought he not to class? ought we not to class? ought you not to class? ought they not to class?	ought I not to be classing? ought you not to be classing? ought he not to be classing? ought we not to be classing? ought you not to be classing? ought they not to be classing?
Perfect	V-ing perfect
ought I not to have classed? ought you not to have classed? ought he not to have classed? ought we not to have classed? ought you not to have classed? ought they not to have classed?	ought I not to have been classing? ought you not to have been classing? ought he not to have been classing? ought we not to have been classing? ought you not to have been classing? ought they not to have been classing?