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