I could fumble you could fumble she could fumble we could fumble you could fumble they could fumble
Forma con V-ing
I could be fumbling you could be fumbling she could be fumbling we could be fumbling you could be fumbling they could be fumbling
Perfecto
I could have fumbled you could have fumbled she could have fumbled we could have fumbled you could have fumbled they could have fumbled
Perfecto con V-ing
I could have been fumbling you could have been fumbling she could have been fumbling we could have been fumbling you could have been fumbling they could have been fumbling
Negación
Forma simple
I could not fumble you could not fumble she could not fumble we could not fumble you could not fumble they could not fumble
Forma con V-ing
I could not be fumbling you could not be fumbling she could not be fumbling we could not be fumbling you could not be fumbling they could not be fumbling
Perfecto
I could not have fumbled you could not have fumbled she could not have fumbled we could not have fumbled you could not have fumbled they could not have fumbled
Perfecto con V-ing
I could not have been fumbling you could not have been fumbling she could not have been fumbling we could not have been fumbling you could not have been fumbling they could not have been fumbling
Forma interrogativa
Forma simple
could I fumble? could you fumble? could she fumble? could we fumble? could you fumble? could they fumble?
Forma con V-ing
could I be fumbling? could you be fumbling? could she be fumbling? could we be fumbling? could you be fumbling? could they be fumbling?
Perfecto
could I have fumbled? could you have fumbled? could she have fumbled? could we have fumbled? could you have fumbled? could they have fumbled?
Perfecto con V-ing
could I have been fumbling? could you have been fumbling? could she have been fumbling? could we have been fumbling? could you have been fumbling? could they have been fumbling?
Forma interro-negativa
Forma simple
could I not fumble? could you not fumble? could she not fumble? could we not fumble? could you not fumble? could they not fumble?
Forma con V-ing
could I not be fumbling? could you not be fumbling? could she not be fumbling? could we not be fumbling? could you not be fumbling? could they not be fumbling?
Perfecto
could I not have fumbled? could you not have fumbled? could she not have fumbled? could we not have fumbled? could you not have fumbled? could they not have fumbled?
Perfecto con V-ing
could I not have been fumbling? could you not have been fumbling? could she not have been fumbling? could we not have been fumbling? could you not have been fumbling? could they not have been fumbling?