Coniugazione del verbo inglese
COULD GRUMBLE

Verbo regolare: grumble - grumbled - grumbled

Affermazione

Forma semplice	Forma con V-ing
I could grumble you could grumble he could grumble we could grumble you could grumble they could grumble	I could be grumbling you could be grumbling he could be grumbling we could be grumbling you could be grumbling they could be grumbling
Perfetto	Perfetto con V-ing
I could have grumbled you could have grumbled he could have grumbled we could have grumbled you could have grumbled they could have grumbled	I could have been grumbling you could have been grumbling he could have been grumbling we could have been grumbling you could have been grumbling they could have been grumbling

Negazione

Forma semplice	Forma con V-ing
I couldn't grumble you couldn't grumble he couldn't grumble we couldn't grumble you couldn't grumble they couldn't grumble	I couldn't be grumbling you couldn't be grumbling he couldn't be grumbling we couldn't be grumbling you couldn't be grumbling they couldn't be grumbling
Perfetto	Perfetto con V-ing
I couldn't have grumbled you couldn't have grumbled he couldn't have grumbled we couldn't have grumbled you couldn't have grumbled they couldn't have grumbled	I couldn't have been grumbling you couldn't have been grumbling he couldn't have been grumbling we couldn't have been grumbling you couldn't have been grumbling they couldn't have been grumbling

Forma interrogativa

Forma semplice	Forma con V-ing
could I grumble? could you grumble? could he grumble? could we grumble? could you grumble? could they grumble?	could I be grumbling? could you be grumbling? could he be grumbling? could we be grumbling? could you be grumbling? could they be grumbling?
Perfetto	Perfetto con V-ing
could I have grumbled? could you have grumbled? could he have grumbled? could we have grumbled? could you have grumbled? could they have grumbled?	could I have been grumbling? could you have been grumbling? could he have been grumbling? could we have been grumbling? could you have been grumbling? could they have been grumbling?

Forma interro-negativa

Forma semplice	Forma con V-ing
couldn't I grumble? couldn't you grumble? couldn't he grumble? couldn't we grumble? couldn't you grumble? couldn't they grumble?	couldn't I be grumbling? couldn't you be grumbling? couldn't he be grumbling? couldn't we be grumbling? couldn't you be grumbling? couldn't they be grumbling?
Perfetto	Perfetto con V-ing
couldn't I have grumbled? couldn't you have grumbled? couldn't he have grumbled? couldn't we have grumbled? couldn't you have grumbled? couldn't they have grumbled?	couldn't I have been grumbling? couldn't you have been grumbling? couldn't he have been grumbling? couldn't we have been grumbling? couldn't you have been grumbling? couldn't they have been grumbling?