could precalculate
Verbe régulier : precalculate - precalculated- precalculated

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