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