I ought to research you ought to research she ought to research we ought to research you ought to research they ought to research
Forma com V-ing
I ought to be researching you ought to be researching she ought to be researching we ought to be researching you ought to be researching they ought to be researching
Perfeito
I ought to have researched you ought to have researched she ought to have researched we ought to have researched you ought to have researched they ought to have researched
Perfeito com V-ing
I ought to have been researching you ought to have been researching she ought to have been researching we ought to have been researching you ought to have been researching they ought to have been researching
Negação
Forma simple
I ought not to research you ought not to research she ought not to research we ought not to research you ought not to research they ought not to research
Forma com V-ing
I ought not to researching you ought not to researching she ought not to researching we ought not to researching you ought not to researching they ought not to researching
Perfeito
I ought not to have researched you ought not to have researched she ought not to have researched we ought not to have researched you ought not to have researched they ought not to have researched
Perfeito com V-ing
I ought not to have been researching you ought not to have been researching she ought not to have been researching we ought not to have been researching you ought not to have been researching they ought not to have been researching
Forma interrogativa
Forma simple
ought to I research? ought to you research? ought to she research? ought to we research? ought to you research? ought to they research?
Forma com V-ing
ought to I be researching? ought to you be researching? ought to she be researching? ought to we be researching? ought to you be researching? ought to they be researching?
Perfeito
ought to I have researched? ought to you have researched? ought to she have researched? ought to we have researched? ought to you have researched? ought to they have researched?
Perfeito com V-ing
ought to I have been researching? ought to you have been researching? ought to she have been researching? ought to we have been researching? ought to you have been researching? ought to they have been researching?
Forma interro-Negação
Forma simple
ought I not to research? ought you not to research? ought she not to research? ought we not to research? ought you not to research? ought they not to research?
Forma com V-ing
ought I not to be researching? ought you not to be researching? ought she not to be researching? ought we not to be researching? ought you not to be researching? ought they not to be researching?
Perfeito
ought I not to have researched? ought you not to have researched? ought she not to have researched? ought we not to have researched? ought you not to have researched? ought they not to have researched?
Perfeito com V-ing
ought I not to have been researching? ought you not to have been researching? ought she not to have been researching? ought we not to have been researching? ought you not to have been researching? ought they not to have been researching?