Verbe régulier : research - researched - researched Traduction française : faire des recherches sur - faire des recherches ou de la recherche
Affirmation
Forme simple
I could research you could research he could research we could research you could research they could research
Forme en V-ing
I could be researching you could be researching he could be researching we could be researching you could be researching they could be researching
Perfect
I could have researched you could have researched he could have researched we could have researched you could have researched they could have researched
Perfect en V-ing
I could have been researching you could have been researching he could have been researching we could have been researching you could have been researching they could have been researching
Négation
Forme simple
I could not research you could not research he could not research we could not research you could not research they could not research
Forme en V-ing
I could not be researching you could not be researching he could not be researching we could not be researching you could not be researching they could not be researching
Perfect
I could not have researched you could not have researched he could not have researched we could not have researched you could not have researched they could not have researched
Perfect en V-ing
I could not have been researching you could not have been researching he could not have been researching we could not have been researching you could not have been researching they could not have been researching
Forme interrogative
Forme simple
could I research? could you research? could he research? could we research? could you research? could they research?
Forme en V-ing
could I be researching? could you be researching? could he be researching? could we be researching? could you be researching? could they be researching?
Perfect
could I have researched? could you have researched? could he have researched? could we have researched? could you have researched? could they have researched?
Perfect en V-ing
could I have been researching? could you have been researching? could he have been researching? could we have been researching? could you have been researching? could they have been researching?
Forme interro-négative
Forme simple
could I not research? could you not research? could he not research? could we not research? could you not research? could they not research?
Forme en V-ing
could I not be researching? could you not be researching? could he not be researching? could we not be researching? could you not be researching? could they not be researching?
Perfect
could I not have researched? could you not have researched? could he not have researched? could we not have researched? could you not have researched? could they not have researched?
Perfect en V-ing
could I not have been researching? could you not have been researching? could he not have been researching? could we not have been researching? could you not have been researching? could they not have been researching?