I could precalculate you could precalculate he could precalculate we could precalculate you could precalculate they could precalculate
Forme en V-ing
I could be precalculating you could be precalculating he could be precalculating we could be precalculating you could be precalculating they could be precalculating
Perfect
I could have precalculated you could have precalculated he could have precalculated we could have precalculated you could have precalculated they could have precalculated
Perfect en V-ing
I could have been precalculating you could have been precalculating he could have been precalculating we could have been precalculating you could have been precalculating they could have been precalculating
Négation
Forme simple
I could not precalculate you could not precalculate he could not precalculate we could not precalculate you could not precalculate they could not precalculate
Forme en V-ing
I could not be precalculating you could not be precalculating he could not be precalculating we could not be precalculating you could not be precalculating they could not be precalculating
Perfect
I could not have precalculated you could not have precalculated he could not have precalculated we could not have precalculated you could not have precalculated they could not have precalculated
Perfect en V-ing
I could not have been precalculating you could not have been precalculating he could not have been precalculating we could not have been precalculating you could not have been precalculating they could not have been precalculating
Forme interrogative
Forme simple
could I precalculate? could you precalculate? could he precalculate? could we precalculate? could you precalculate? could they precalculate?
Forme en V-ing
could I be precalculating? could you be precalculating? could he be precalculating? could we be precalculating? could you be precalculating? could they be precalculating?
Perfect
could I have precalculated? could you have precalculated? could he have precalculated? could we have precalculated? could you have precalculated? could they have precalculated?
Perfect en V-ing
could I have been precalculating? could you have been precalculating? could he have been precalculating? could we have been precalculating? could you have been precalculating? could they have been precalculating?
Forme interro-négative
Forme simple
could I not precalculate? could you not precalculate? could he not precalculate? could we not precalculate? could you not precalculate? could they not precalculate?
Forme en V-ing
could I not be precalculating? could you not be precalculating? could he not be precalculating? could we not be precalculating? could you not be precalculating? could they not be precalculating?
Perfect
could I not have precalculated? could you not have precalculated? could he not have precalculated? could we not have precalculated? could you not have precalculated? could they not have precalculated?
Perfect en V-ing
could I not have been precalculating? could you not have been precalculating? could he not have been precalculating? could we not have been precalculating? could you not have been precalculating? could they not have been precalculating?