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 ought not to scale you ought not to scale she ought not to scale we ought not to scale you ought not to scale they ought not to scale
V-ing form
I ought not to scaling you ought not to scaling she ought not to scaling we ought not to scaling you ought not to scaling they ought not to scaling
Perfect
I ought not to have scaled you ought not to have scaled she ought not to have scaled we ought not to have scaled you ought not to have scaled they ought not to have scaled
V-ing perfect
I ought not to have been scaling you ought not to have been scaling she ought not to have been scaling we ought not to have been scaling you ought not to have been scaling they ought not 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
ought I not to scale? ought you not to scale? ought she not to scale? ought we not to scale? ought you not to scale? ought they not to scale?
V-ing form
ought I not to be scaling? ought you not to be scaling? ought she not to be scaling? ought we not to be scaling? ought you not to be scaling? ought they not to be scaling?
Perfect
ought I not to have scaled? ought you not to have scaled? ought she not to have scaled? ought we not to have scaled? ought you not to have scaled? ought they not to have scaled?
V-ing perfect
ought I not to have been scaling? ought you not to have been scaling? ought she not to have been scaling? ought we not to have been scaling? ought you not to have been scaling? ought they not to have been scaling?