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 couldn't precalculate you couldn't precalculate he couldn't precalculate we couldn't precalculate you couldn't precalculate they couldn't precalculate
Forme en V-ing
I couldn't be precalculating you couldn't be precalculating he couldn't be precalculating we couldn't be precalculating you couldn't be precalculating they couldn't be precalculating
Perfect
I couldn't have precalculated you couldn't have precalculated he couldn't have precalculated we couldn't have precalculated you couldn't have precalculated they couldn't have precalculated
Perfect en V-ing
I couldn't have been precalculating you couldn't have been precalculating he couldn't have been precalculating we couldn't have been precalculating you couldn't have been precalculating they couldn't 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
couldn't I precalculate? couldn't you precalculate? couldn't he precalculate? couldn't we precalculate? couldn't you precalculate? couldn't they precalculate?
Forme en V-ing
couldn't I be precalculating? couldn't you be precalculating? couldn't he be precalculating? couldn't we be precalculating? couldn't you be precalculating? couldn't they be precalculating?
Perfect
couldn't I have precalculated? couldn't you have precalculated? couldn't he have precalculated? couldn't we have precalculated? couldn't you have precalculated? couldn't they have precalculated?
Perfect en V-ing
couldn't I have been precalculating? couldn't you have been precalculating? couldn't he have been precalculating? couldn't we have been precalculating? couldn't you have been precalculating? couldn't they have been precalculating?