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