I ought to certify you ought to certify she ought to certify we ought to certify you ought to certify they ought to certify
Forma con V-ing
I ought to be certifying you ought to be certifying she ought to be certifying we ought to be certifying you ought to be certifying they ought to be certifying
Perfecto
I ought to have certified you ought to have certified she ought to have certified we ought to have certified you ought to have certified they ought to have certified
Perfecto con V-ing
I ought to have been certifying you ought to have been certifying she ought to have been certifying we ought to have been certifying you ought to have been certifying they ought to have been certifying
Negación
Forma simple
I oughtn't to certify you oughtn't to certify she oughtn't to certify we oughtn't to certify you oughtn't to certify they oughtn't to certify
Forma con V-ing
I oughtn't to be certifying you oughtn't to be certifying she oughtn't to be certifying we oughtn't to be certifying you oughtn't to be certifying they oughtn't to be certifying
Perfecto
I oughtn't to have certified you oughtn't to have certified she oughtn't to have certified we oughtn't to have certified you oughtn't to have certified they oughtn't to have certified
Perfecto con V-ing
I oughtn't to have been certifying you oughtn't to have been certifying she oughtn't to have been certifying we oughtn't to have been certifying you oughtn't to have been certifying they oughtn't to have been certifying
Forma interrogativa
Forma simple
ought to I certify? ought to you certify? ought to she certify? ought to we certify? ought to you certify? ought to they certify?
Forma con V-ing
ought to I be certifying? ought to you be certifying? ought to she be certifying? ought to we be certifying? ought to you be certifying? ought to they be certifying?
Perfecto
ought to I have certified? ought to you have certified? ought to she have certified? ought to we have certified? ought to you have certified? ought to they have certified?
Perfecto con V-ing
ought to I have been certifying? ought to you have been certifying? ought to she have been certifying? ought to we have been certifying? ought to you have been certifying? ought to they have been certifying?
Forma interro-negativa
Forma simple
oughtn't I to certify? oughtn't you to certify? oughtn't she to certify? oughtn't we to certify? oughtn't you to certify? oughtn't they to certify?
Forma con V-ing
oughtn't I to be certifying? oughtn't you to be certifying? oughtn't she to be certifying? oughtn't we to be certifying? oughtn't you to be certifying? oughtn't they to be certifying?
Perfecto
oughtn't I to have certified? oughtn't you to have certified? oughtn't she to have certified? oughtn't we to have certified? oughtn't you to have certified? oughtn't they to have certified?
Perfecto con V-ing
oughtn't I to have been certifying? oughtn't you to have been certifying? oughtn't she to have been certifying? oughtn't we to have been certifying? oughtn't you to have been certifying? oughtn't they to have been certifying?