I ought to shred you ought to shred she ought to shred we ought to shred you ought to shred they ought to shred
V-ing form
I ought to be shredding you ought to be shredding she ought to be shredding we ought to be shredding you ought to be shredding they ought to be shredding
Perfect
I ought to have shredded you ought to have shredded she ought to have shredded we ought to have shredded you ought to have shredded they ought to have shredded
V-ing perfect
I ought to have been shredding you ought to have been shredding she ought to have been shredding we ought to have been shredding you ought to have been shredding they ought to have been shredding
Negation
Simple form
I oughtn't to shred you oughtn't to shred she oughtn't to shred we oughtn't to shred you oughtn't to shred they oughtn't to shred
V-ing form
I oughtn't to be shredding you oughtn't to be shredding she oughtn't to be shredding we oughtn't to be shredding you oughtn't to be shredding they oughtn't to be shredding
Perfect
I oughtn't to have shredded you oughtn't to have shredded she oughtn't to have shredded we oughtn't to have shredded you oughtn't to have shredded they oughtn't to have shredded
V-ing perfect
I oughtn't to have been shredding you oughtn't to have been shredding she oughtn't to have been shredding we oughtn't to have been shredding you oughtn't to have been shredding they oughtn't to have been shredding
Interrogative form
Simple form
ought to I shred? ought to you shred? ought to she shred? ought to we shred? ought to you shred? ought to they shred?
V-ing form
ought to I be shredding? ought to you be shredding? ought to she be shredding? ought to we be shredding? ought to you be shredding? ought to they be shredding?
Perfect
ought to I have shredded? ought to you have shredded? ought to she have shredded? ought to we have shredded? ought to you have shredded? ought to they have shredded?
V-ing perfect
ought to I have been shredding? ought to you have been shredding? ought to she have been shredding? ought to we have been shredding? ought to you have been shredding? ought to they have been shredding?
Interro-negative form
Simple form
oughtn't I to shred? oughtn't you to shred? oughtn't she to shred? oughtn't we to shred? oughtn't you to shred? oughtn't they to shred?
V-ing form
oughtn't I to be shredding? oughtn't you to be shredding? oughtn't she to be shredding? oughtn't we to be shredding? oughtn't you to be shredding? oughtn't they to be shredding?
Perfect
oughtn't I to have shredded? oughtn't you to have shredded? oughtn't she to have shredded? oughtn't we to have shredded? oughtn't you to have shredded? oughtn't they to have shredded?
V-ing perfect
oughtn't I to have been shredding? oughtn't you to have been shredding? oughtn't she to have been shredding? oughtn't we to have been shredding? oughtn't you to have been shredding? oughtn't they to have been shredding?