English verb conjugation
OUGHT TO OVERHEAR

Irregular verb: overhear - overheard - overheard

Affirmation

Simple form	V-ing form
I ought to overhear you ought to overhear he ought to overhear we ought to overhear you ought to overhear they ought to overhear	I ought to be overhearing you ought to be overhearing he ought to be overhearing we ought to be overhearing you ought to be overhearing they ought to be overhearing
Perfect	V-ing perfect
I ought to have overheard you ought to have overheard he ought to have overheard we ought to have overheard you ought to have overheard they ought to have overheard	I ought to have been overhearing you ought to have been overhearing he ought to have been overhearing we ought to have been overhearing you ought to have been overhearing they ought to have been overhearing

Negation

Simple form	V-ing form
I ought not to overhear you ought not to overhear he ought not to overhear we ought not to overhear you ought not to overhear they ought not to overhear	I ought not to overhearing you ought not to overhearing he ought not to overhearing we ought not to overhearing you ought not to overhearing they ought not to overhearing
Perfect	V-ing perfect
I ought not to have overheard you ought not to have overheard he ought not to have overheard we ought not to have overheard you ought not to have overheard they ought not to have overheard	I ought not to have been overhearing you ought not to have been overhearing he ought not to have been overhearing we ought not to have been overhearing you ought not to have been overhearing they ought not to have been overhearing

Interrogative form

Simple form	V-ing form
ought to I overhear? ought to you overhear? ought to he overhear? ought to we overhear? ought to you overhear? ought to they overhear?	ought to I be overhearing? ought to you be overhearing? ought to he be overhearing? ought to we be overhearing? ought to you be overhearing? ought to they be overhearing?
Perfect	V-ing perfect
ought to I have overheard? ought to you have overheard? ought to he have overheard? ought to we have overheard? ought to you have overheard? ought to they have overheard?	ought to I have been overhearing? ought to you have been overhearing? ought to he have been overhearing? ought to we have been overhearing? ought to you have been overhearing? ought to they have been overhearing?

Interro-negative form

Simple form	V-ing form
ought I not to overhear? ought you not to overhear? ought he not to overhear? ought we not to overhear? ought you not to overhear? ought they not to overhear?	ought I not to be overhearing? ought you not to be overhearing? ought he not to be overhearing? ought we not to be overhearing? ought you not to be overhearing? ought they not to be overhearing?
Perfect	V-ing perfect
ought I not to have overheard? ought you not to have overheard? ought he not to have overheard? ought we not to have overheard? ought you not to have overheard? ought they not to have overheard?	ought I not to have been overhearing? ought you not to have been overhearing? ought he not to have been overhearing? ought we not to have been overhearing? ought you not to have been overhearing? ought they not to have been overhearing?