I ought to stack you ought to stack he ought to stack we ought to stack you ought to stack they ought to stack
Forma con V-ing
I ought to be stacking you ought to be stacking he ought to be stacking we ought to be stacking you ought to be stacking they ought to be stacking
Perfecto
I ought to have stacked you ought to have stacked he ought to have stacked we ought to have stacked you ought to have stacked they ought to have stacked
Perfecto con V-ing
I ought to have been stacking you ought to have been stacking he ought to have been stacking we ought to have been stacking you ought to have been stacking they ought to have been stacking
Negación
Forma simple
I oughtn't to stack you oughtn't to stack he oughtn't to stack we oughtn't to stack you oughtn't to stack they oughtn't to stack
Forma con V-ing
I oughtn't to be stacking you oughtn't to be stacking he oughtn't to be stacking we oughtn't to be stacking you oughtn't to be stacking they oughtn't to be stacking
Perfecto
I oughtn't to have stacked you oughtn't to have stacked he oughtn't to have stacked we oughtn't to have stacked you oughtn't to have stacked they oughtn't to have stacked
Perfecto con V-ing
I oughtn't to have been stacking you oughtn't to have been stacking he oughtn't to have been stacking we oughtn't to have been stacking you oughtn't to have been stacking they oughtn't to have been stacking
Forma interrogativa
Forma simple
ought to I stack? ought to you stack? ought to he stack? ought to we stack? ought to you stack? ought to they stack?
Forma con V-ing
ought to I be stacking? ought to you be stacking? ought to he be stacking? ought to we be stacking? ought to you be stacking? ought to they be stacking?
Perfecto
ought to I have stacked? ought to you have stacked? ought to he have stacked? ought to we have stacked? ought to you have stacked? ought to they have stacked?
Perfecto con V-ing
ought to I have been stacking? ought to you have been stacking? ought to he have been stacking? ought to we have been stacking? ought to you have been stacking? ought to they have been stacking?
Forma interro-negativa
Forma simple
oughtn't I to stack? oughtn't you to stack? oughtn't he to stack? oughtn't we to stack? oughtn't you to stack? oughtn't they to stack?
Forma con V-ing
oughtn't I to be stacking? oughtn't you to be stacking? oughtn't he to be stacking? oughtn't we to be stacking? oughtn't you to be stacking? oughtn't they to be stacking?
Perfecto
oughtn't I to have stacked? oughtn't you to have stacked? oughtn't he to have stacked? oughtn't we to have stacked? oughtn't you to have stacked? oughtn't they to have stacked?
Perfecto con V-ing
oughtn't I to have been stacking? oughtn't you to have been stacking? oughtn't he to have been stacking? oughtn't we to have been stacking? oughtn't you to have been stacking? oughtn't they to have been stacking?