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