I could combine you could combine he could combine we could combine you could combine they could combine
Forma con V-ing
I could be combining you could be combining he could be combining we could be combining you could be combining they could be combining
Perfetto
I could have combined you could have combined he could have combined we could have combined you could have combined they could have combined
Perfetto con V-ing
I could have been combining you could have been combining he could have been combining we could have been combining you could have been combining they could have been combining
Negazione
Forma semplice
I could not combine you could not combine he could not combine we could not combine you could not combine they could not combine
Forma con V-ing
I could not be combining you could not be combining he could not be combining we could not be combining you could not be combining they could not be combining
Perfetto
I could not have combined you could not have combined he could not have combined we could not have combined you could not have combined they could not have combined
Perfetto con V-ing
I could not have been combining you could not have been combining he could not have been combining we could not have been combining you could not have been combining they could not have been combining
Forma interrogativa
Forma semplice
could I combine? could you combine? could he combine? could we combine? could you combine? could they combine?
Forma con V-ing
could I be combining? could you be combining? could he be combining? could we be combining? could you be combining? could they be combining?
Perfetto
could I have combined? could you have combined? could he have combined? could we have combined? could you have combined? could they have combined?
Perfetto con V-ing
could I have been combining? could you have been combining? could he have been combining? could we have been combining? could you have been combining? could they have been combining?
Forma interro-negativa
Forma semplice
could I not combine? could you not combine? could he not combine? could we not combine? could you not combine? could they not combine?
Forma con V-ing
could I not be combining? could you not be combining? could he not be combining? could we not be combining? could you not be combining? could they not be combining?
Perfetto
could I not have combined? could you not have combined? could he not have combined? could we not have combined? could you not have combined? could they not have combined?
Perfetto con V-ing
could I not have been combining? could you not have been combining? could he not have been combining? could we not have been combining? could you not have been combining? could they not have been combining?