I could bumble you could bumble he could bumble we could bumble you could bumble they could bumble
Forma con V-ing
I could be bumbling you could be bumbling he could be bumbling we could be bumbling you could be bumbling they could be bumbling
Perfecto
I could have bumbled you could have bumbled he could have bumbled we could have bumbled you could have bumbled they could have bumbled
Perfecto con V-ing
I could have been bumbling you could have been bumbling he could have been bumbling we could have been bumbling you could have been bumbling they could have been bumbling
Negación
Forma simple
I could not bumble you could not bumble he could not bumble we could not bumble you could not bumble they could not bumble
Forma con V-ing
I could not be bumbling you could not be bumbling he could not be bumbling we could not be bumbling you could not be bumbling they could not be bumbling
Perfecto
I could not have bumbled you could not have bumbled he could not have bumbled we could not have bumbled you could not have bumbled they could not have bumbled
Perfecto con V-ing
I could not have been bumbling you could not have been bumbling he could not have been bumbling we could not have been bumbling you could not have been bumbling they could not have been bumbling
Forma interrogativa
Forma simple
could I bumble? could you bumble? could he bumble? could we bumble? could you bumble? could they bumble?
Forma con V-ing
could I be bumbling? could you be bumbling? could he be bumbling? could we be bumbling? could you be bumbling? could they be bumbling?
Perfecto
could I have bumbled? could you have bumbled? could he have bumbled? could we have bumbled? could you have bumbled? could they have bumbled?
Perfecto con V-ing
could I have been bumbling? could you have been bumbling? could he have been bumbling? could we have been bumbling? could you have been bumbling? could they have been bumbling?
Forma interro-negativa
Forma simple
could I not bumble? could you not bumble? could he not bumble? could we not bumble? could you not bumble? could they not bumble?
Forma con V-ing
could I not be bumbling? could you not be bumbling? could he not be bumbling? could we not be bumbling? could you not be bumbling? could they not be bumbling?
Perfecto
could I not have bumbled? could you not have bumbled? could he not have bumbled? could we not have bumbled? could you not have bumbled? could they not have bumbled?
Perfecto con V-ing
could I not have been bumbling? could you not have been bumbling? could he not have been bumbling? could we not have been bumbling? could you not have been bumbling? could they not have been bumbling?