I research you research she researches we research you research they research
Presente contínuo
I am researching you are researching she is researching we are researching you are researching they are researching
Pretérito
I researched you researched she researched we researched you researched they researched
Preterito contínuo
I was researching you were researching she was researching we were researching you were researching they were researching
Presente perfeito
I have researched you have researched she has researched we have researched you have researched they have researched
Presente perfeito contínuo
I have been researching you have been researching she has been researching we have been researching you have been researching they have been researching
Mais perfeito
I had researched you had researched she had researched we had researched you had researched they had researched
Contínuo mais perfeito
I had been researching you had been researching she had been researching we had been researching you had been researching they had been researching
Futuro
I will research you will research she will research we will research you will research they will research
Futuro contínuo
I will be researching you will be researching she will be researching we will be researching you will be researching they will be researching
futuro perfeito
I will have researched you will have researched she will have researched we will have researched you will have researched they will have researched
futuro perfeito contínuo
I will have been researching you will have been researching she will have been researching we will have been researching you will have been researching they will have been researching
Condicional
Presente
I would research you would research she would research we would research you would research they would research
Presente contínuo
I would be researching you would be researching she would be researching we would be researching you would be researching they would be researching
Passado
I would have researched you would have researched she would have researched we would have researched you would have researched they would have researched
Passado contínuo
I would have been researching you would have been researching she would have been researching we would have been researching you would have been researching they would have been researching