I could cumulate you could cumulate she could cumulate we could cumulate you could cumulate they could cumulate
Forme en V-ing
I could be cumulating you could be cumulating she could be cumulating we could be cumulating you could be cumulating they could be cumulating
Perfect
I could have cumulated you could have cumulated she could have cumulated we could have cumulated you could have cumulated they could have cumulated
Perfect en V-ing
I could have been cumulating you could have been cumulating she could have been cumulating we could have been cumulating you could have been cumulating they could have been cumulating
Négation
Forme simple
I could not cumulate you could not cumulate she could not cumulate we could not cumulate you could not cumulate they could not cumulate
Forme en V-ing
I could not be cumulating you could not be cumulating she could not be cumulating we could not be cumulating you could not be cumulating they could not be cumulating
Perfect
I could not have cumulated you could not have cumulated she could not have cumulated we could not have cumulated you could not have cumulated they could not have cumulated
Perfect en V-ing
I could not have been cumulating you could not have been cumulating she could not have been cumulating we could not have been cumulating you could not have been cumulating they could not have been cumulating
Forme interrogative
Forme simple
could I cumulate? could you cumulate? could she cumulate? could we cumulate? could you cumulate? could they cumulate?
Forme en V-ing
could I be cumulating? could you be cumulating? could she be cumulating? could we be cumulating? could you be cumulating? could they be cumulating?
Perfect
could I have cumulated? could you have cumulated? could she have cumulated? could we have cumulated? could you have cumulated? could they have cumulated?
Perfect en V-ing
could I have been cumulating? could you have been cumulating? could she have been cumulating? could we have been cumulating? could you have been cumulating? could they have been cumulating?
Forme interro-négative
Forme simple
could I not cumulate? could you not cumulate? could she not cumulate? could we not cumulate? could you not cumulate? could they not cumulate?
Forme en V-ing
could I not be cumulating? could you not be cumulating? could she not be cumulating? could we not be cumulating? could you not be cumulating? could they not be cumulating?
Perfect
could I not have cumulated? could you not have cumulated? could she not have cumulated? could we not have cumulated? could you not have cumulated? could they not have cumulated?
Perfect en V-ing
could I not have been cumulating? could you not have been cumulating? could she not have been cumulating? could we not have been cumulating? could you not have been cumulating? could they not have been cumulating?