I ought to slit you ought to slit he ought to slit we ought to slit you ought to slit they ought to slit
V-ing form
I ought to be slitting you ought to be slitting he ought to be slitting we ought to be slitting you ought to be slitting they ought to be slitting
Perfect
I ought to have slit you ought to have slit he ought to have slit we ought to have slit you ought to have slit they ought to have slit
V-ing perfect
I ought to have been slitting you ought to have been slitting he ought to have been slitting we ought to have been slitting you ought to have been slitting they ought to have been slitting
Negation
Simple form
I oughtn't to slit you oughtn't to slit he oughtn't to slit we oughtn't to slit you oughtn't to slit they oughtn't to slit
V-ing form
I oughtn't to be slitting you oughtn't to be slitting he oughtn't to be slitting we oughtn't to be slitting you oughtn't to be slitting they oughtn't to be slitting
Perfect
I oughtn't to have slit you oughtn't to have slit he oughtn't to have slit we oughtn't to have slit you oughtn't to have slit they oughtn't to have slit
V-ing perfect
I oughtn't to have been slitting you oughtn't to have been slitting he oughtn't to have been slitting we oughtn't to have been slitting you oughtn't to have been slitting they oughtn't to have been slitting
Interrogative form
Simple form
ought to I slit? ought to you slit? ought to he slit? ought to we slit? ought to you slit? ought to they slit?
V-ing form
ought to I be slitting? ought to you be slitting? ought to he be slitting? ought to we be slitting? ought to you be slitting? ought to they be slitting?
Perfect
ought to I have slit? ought to you have slit? ought to he have slit? ought to we have slit? ought to you have slit? ought to they have slit?
V-ing perfect
ought to I have been slitting? ought to you have been slitting? ought to he have been slitting? ought to we have been slitting? ought to you have been slitting? ought to they have been slitting?
Interro-negative form
Simple form
oughtn't I to slit? oughtn't you to slit? oughtn't he to slit? oughtn't we to slit? oughtn't you to slit? oughtn't they to slit?
V-ing form
oughtn't I to be slitting? oughtn't you to be slitting? oughtn't he to be slitting? oughtn't we to be slitting? oughtn't you to be slitting? oughtn't they to be slitting?
Perfect
oughtn't I to have slit? oughtn't you to have slit? oughtn't he to have slit? oughtn't we to have slit? oughtn't you to have slit? oughtn't they to have slit?
V-ing perfect
oughtn't I to have been slitting? oughtn't you to have been slitting? oughtn't he to have been slitting? oughtn't we to have been slitting? oughtn't you to have been slitting? oughtn't they to have been slitting?