I could circulate you could circulate he could circulate we could circulate you could circulate they could circulate
Forme en V-ing
I could be circulating you could be circulating he could be circulating we could be circulating you could be circulating they could be circulating
Perfect
I could have circulated you could have circulated he could have circulated we could have circulated you could have circulated they could have circulated
Perfect en V-ing
I could have been circulating you could have been circulating he could have been circulating we could have been circulating you could have been circulating they could have been circulating
Négation
Forme simple
I could not circulate you could not circulate he could not circulate we could not circulate you could not circulate they could not circulate
Forme en V-ing
I could not be circulating you could not be circulating he could not be circulating we could not be circulating you could not be circulating they could not be circulating
Perfect
I could not have circulated you could not have circulated he could not have circulated we could not have circulated you could not have circulated they could not have circulated
Perfect en V-ing
I could not have been circulating you could not have been circulating he could not have been circulating we could not have been circulating you could not have been circulating they could not have been circulating
Forme interrogative
Forme simple
could I circulate? could you circulate? could he circulate? could we circulate? could you circulate? could they circulate?
Forme en V-ing
could I be circulating? could you be circulating? could he be circulating? could we be circulating? could you be circulating? could they be circulating?
Perfect
could I have circulated? could you have circulated? could he have circulated? could we have circulated? could you have circulated? could they have circulated?
Perfect en V-ing
could I have been circulating? could you have been circulating? could he have been circulating? could we have been circulating? could you have been circulating? could they have been circulating?
Forme interro-négative
Forme simple
could I not circulate? could you not circulate? could he not circulate? could we not circulate? could you not circulate? could they not circulate?
Forme en V-ing
could I not be circulating? could you not be circulating? could he not be circulating? could we not be circulating? could you not be circulating? could they not be circulating?
Perfect
could I not have circulated? could you not have circulated? could he not have circulated? could we not have circulated? could you not have circulated? could they not have circulated?
Perfect en V-ing
could I not have been circulating? could you not have been circulating? could he not have been circulating? could we not have been circulating? could you not have been circulating? could they not have been circulating?