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