I could fumble you could fumble he could fumble we could fumble you could fumble they could fumble
Forma com V-ing
I could be fumbling you could be fumbling he could be fumbling we could be fumbling you could be fumbling they could be fumbling
Perfeito
I could have fumbled you could have fumbled he could have fumbled we could have fumbled you could have fumbled they could have fumbled
Perfeito com V-ing
I could have been fumbling you could have been fumbling he could have been fumbling we could have been fumbling you could have been fumbling they could have been fumbling
Negação
Forma simple
I couldn't fumble you couldn't fumble he couldn't fumble we couldn't fumble you couldn't fumble they couldn't fumble
Forma com V-ing
I couldn't be fumbling you couldn't be fumbling he couldn't be fumbling we couldn't be fumbling you couldn't be fumbling they couldn't be fumbling
Perfeito
I couldn't have fumbled you couldn't have fumbled he couldn't have fumbled we couldn't have fumbled you couldn't have fumbled they couldn't have fumbled
Perfeito com V-ing
I couldn't have been fumbling you couldn't have been fumbling he couldn't have been fumbling we couldn't have been fumbling you couldn't have been fumbling they couldn't have been fumbling
Forma interrogativa
Forma simple
could I fumble? could you fumble? could he fumble? could we fumble? could you fumble? could they fumble?
Forma com V-ing
could I be fumbling? could you be fumbling? could he be fumbling? could we be fumbling? could you be fumbling? could they be fumbling?
Perfeito
could I have fumbled? could you have fumbled? could he have fumbled? could we have fumbled? could you have fumbled? could they have fumbled?
Perfeito com V-ing
could I have been fumbling? could you have been fumbling? could he have been fumbling? could we have been fumbling? could you have been fumbling? could they have been fumbling?
Forma interro-Negação
Forma simple
couldn't I fumble? couldn't you fumble? couldn't he fumble? couldn't we fumble? couldn't you fumble? couldn't they fumble?
Forma com V-ing
couldn't I be fumbling? couldn't you be fumbling? couldn't he be fumbling? couldn't we be fumbling? couldn't you be fumbling? couldn't they be fumbling?
Perfeito
couldn't I have fumbled? couldn't you have fumbled? couldn't he have fumbled? couldn't we have fumbled? couldn't you have fumbled? couldn't they have fumbled?
Perfeito com V-ing
couldn't I have been fumbling? couldn't you have been fumbling? couldn't he have been fumbling? couldn't we have been fumbling? couldn't you have been fumbling? couldn't they have been fumbling?