English verb conjugation
OUGHT TO REFEREE

Regular verb: referee - refereed - refereed

Affirmation

Simple form	V-ing form
I ought to referee you ought to referee he ought to referee we ought to referee you ought to referee they ought to referee	I ought to be refereeing you ought to be refereeing he ought to be refereeing we ought to be refereeing you ought to be refereeing they ought to be refereeing
Perfect	V-ing perfect
I ought to have refereed you ought to have refereed he ought to have refereed we ought to have refereed you ought to have refereed they ought to have refereed	I ought to have been refereeing you ought to have been refereeing he ought to have been refereeing we ought to have been refereeing you ought to have been refereeing they ought to have been refereeing

Negation

Simple form	V-ing form
I ought not to referee you ought not to referee he ought not to referee we ought not to referee you ought not to referee they ought not to referee	I ought not to refereeing you ought not to refereeing he ought not to refereeing we ought not to refereeing you ought not to refereeing they ought not to refereeing
Perfect	V-ing perfect
I ought not to have refereed you ought not to have refereed he ought not to have refereed we ought not to have refereed you ought not to have refereed they ought not to have refereed	I ought not to have been refereeing you ought not to have been refereeing he ought not to have been refereeing we ought not to have been refereeing you ought not to have been refereeing they ought not to have been refereeing

Interrogative form

Simple form	V-ing form
ought to I referee? ought to you referee? ought to he referee? ought to we referee? ought to you referee? ought to they referee?	ought to I be refereeing? ought to you be refereeing? ought to he be refereeing? ought to we be refereeing? ought to you be refereeing? ought to they be refereeing?
Perfect	V-ing perfect
ought to I have refereed? ought to you have refereed? ought to he have refereed? ought to we have refereed? ought to you have refereed? ought to they have refereed?	ought to I have been refereeing? ought to you have been refereeing? ought to he have been refereeing? ought to we have been refereeing? ought to you have been refereeing? ought to they have been refereeing?

Interro-negative form

Simple form	V-ing form
ought I not to referee? ought you not to referee? ought he not to referee? ought we not to referee? ought you not to referee? ought they not to referee?	ought I not to be refereeing? ought you not to be refereeing? ought he not to be refereeing? ought we not to be refereeing? ought you not to be refereeing? ought they not to be refereeing?
Perfect	V-ing perfect
ought I not to have refereed? ought you not to have refereed? ought he not to have refereed? ought we not to have refereed? ought you not to have refereed? ought they not to have refereed?	ought I not to have been refereeing? ought you not to have been refereeing? ought he not to have been refereeing? ought we not to have been refereeing? ought you not to have been refereeing? ought they not to have been refereeing?