I could copulate you could copulate he could copulate we could copulate you could copulate they could copulate
Forme en V-ing
I could be copulating you could be copulating he could be copulating we could be copulating you could be copulating they could be copulating
Perfect
I could have copulated you could have copulated he could have copulated we could have copulated you could have copulated they could have copulated
Perfect en V-ing
I could have been copulating you could have been copulating he could have been copulating we could have been copulating you could have been copulating they could have been copulating
Négation
Forme simple
I could not copulate you could not copulate he could not copulate we could not copulate you could not copulate they could not copulate
Forme en V-ing
I could not be copulating you could not be copulating he could not be copulating we could not be copulating you could not be copulating they could not be copulating
Perfect
I could not have copulated you could not have copulated he could not have copulated we could not have copulated you could not have copulated they could not have copulated
Perfect en V-ing
I could not have been copulating you could not have been copulating he could not have been copulating we could not have been copulating you could not have been copulating they could not have been copulating
Forme interrogative
Forme simple
could I copulate? could you copulate? could he copulate? could we copulate? could you copulate? could they copulate?
Forme en V-ing
could I be copulating? could you be copulating? could he be copulating? could we be copulating? could you be copulating? could they be copulating?
Perfect
could I have copulated? could you have copulated? could he have copulated? could we have copulated? could you have copulated? could they have copulated?
Perfect en V-ing
could I have been copulating? could you have been copulating? could he have been copulating? could we have been copulating? could you have been copulating? could they have been copulating?
Forme interro-négative
Forme simple
could I not copulate? could you not copulate? could he not copulate? could we not copulate? could you not copulate? could they not copulate?
Forme en V-ing
could I not be copulating? could you not be copulating? could he not be copulating? could we not be copulating? could you not be copulating? could they not be copulating?
Perfect
could I not have copulated? could you not have copulated? could he not have copulated? could we not have copulated? could you not have copulated? could they not have copulated?
Perfect en V-ing
could I not have been copulating? could you not have been copulating? could he not have been copulating? could we not have been copulating? could you not have been copulating? could they not have been copulating?