I can grumble you can grumble she can grumble we can grumble you can grumble they can grumble
Forma con V-ing
I can be grumbling you can be grumbling she can be grumbling we can be grumbling you can be grumbling they can be grumbling
Perfecto
I can have grumbled you can have grumbled she can have grumbled we can have grumbled you can have grumbled they can have grumbled
Perfecto con V-ing
I can have been grumbling you can have been grumbling she can have been grumbling we can have been grumbling you can have been grumbling they can have been grumbling
Negación
Forma simple
I cannot grumble you cannot grumble she cannot grumble we cannot grumble you cannot grumble they cannot grumble
Forma con V-ing
I cannot be grumbling you cannot be grumbling she cannot be grumbling we cannot be grumbling you cannot be grumbling they cannot be grumbling
Perfecto
I cannot have grumbled you cannot have grumbled she cannot have grumbled we cannot have grumbled you cannot have grumbled they cannot have grumbled
Perfecto con V-ing
I cannot have been grumbling you cannot have been grumbling she cannot have been grumbling we cannot have been grumbling you cannot have been grumbling they cannot have been grumbling
Forma interrogativa
Forma simple
can I grumble? can you grumble? can she grumble? can we grumble? can you grumble? can they grumble?
Forma con V-ing
can I be grumbling? can you be grumbling? can she be grumbling? can we be grumbling? can you be grumbling? can they be grumbling?
Perfecto
can I have grumbled? can you have grumbled? can she have grumbled? can we have grumbled? can you have grumbled? can they have grumbled?
Perfecto con V-ing
can I have been grumbling? can you have been grumbling? can she have been grumbling? can we have been grumbling? can you have been grumbling? can they have been grumbling?
Forma interro-negativa
Forma simple
can I not grumble? can you not grumble? can she not grumble? can we not grumble? can you not grumble? can they not grumble?
Forma con V-ing
can I not be grumbling? can you not be grumbling? can she not be grumbling? can we not be grumbling? can you not be grumbling? can they not be grumbling?
Perfecto
can I not have grumbled? can you not have grumbled? can she not have grumbled? can we not have grumbled? can you not have grumbled? can they not have grumbled?
Perfecto con V-ing
can I not have been grumbling? can you not have been grumbling? can she not have been grumbling? can we not have been grumbling? can you not have been grumbling? can they not have been grumbling?