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