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