I could cumulate you could cumulate he could cumulate we could cumulate you could cumulate they could cumulate
Forma con V-ing
I could be cumulating you could be cumulating he could be cumulating we could be cumulating you could be cumulating they could be cumulating
Perfecto
I could have cumulated you could have cumulated he could have cumulated we could have cumulated you could have cumulated they could have cumulated
Perfecto con V-ing
I could have been cumulating you could have been cumulating he could have been cumulating we could have been cumulating you could have been cumulating they could have been cumulating
Negación
Forma simple
I couldn't cumulate you couldn't cumulate he couldn't cumulate we couldn't cumulate you couldn't cumulate they couldn't cumulate
Forma con V-ing
I couldn't be cumulating you couldn't be cumulating he couldn't be cumulating we couldn't be cumulating you couldn't be cumulating they couldn't be cumulating
Perfecto
I couldn't have cumulated you couldn't have cumulated he couldn't have cumulated we couldn't have cumulated you couldn't have cumulated they couldn't have cumulated
Perfecto con V-ing
I couldn't have been cumulating you couldn't have been cumulating he couldn't have been cumulating we couldn't have been cumulating you couldn't have been cumulating they couldn't have been cumulating
Forma interrogativa
Forma simple
could I cumulate? could you cumulate? could he cumulate? could we cumulate? could you cumulate? could they cumulate?
Forma con V-ing
could I be cumulating? could you be cumulating? could he be cumulating? could we be cumulating? could you be cumulating? could they be cumulating?
Perfecto
could I have cumulated? could you have cumulated? could he have cumulated? could we have cumulated? could you have cumulated? could they have cumulated?
Perfecto con V-ing
could I have been cumulating? could you have been cumulating? could he have been cumulating? could we have been cumulating? could you have been cumulating? could they have been cumulating?
Forma interro-negativa
Forma simple
couldn't I cumulate? couldn't you cumulate? couldn't he cumulate? couldn't we cumulate? couldn't you cumulate? couldn't they cumulate?
Forma con V-ing
couldn't I be cumulating? couldn't you be cumulating? couldn't he be cumulating? couldn't we be cumulating? couldn't you be cumulating? couldn't they be cumulating?
Perfecto
couldn't I have cumulated? couldn't you have cumulated? couldn't he have cumulated? couldn't we have cumulated? couldn't you have cumulated? couldn't they have cumulated?
Perfecto con V-ing
couldn't I have been cumulating? couldn't you have been cumulating? couldn't he have been cumulating? couldn't we have been cumulating? couldn't you have been cumulating? couldn't they have been cumulating?