I could bellow you could bellow he could bellow we could bellow you could bellow they could bellow
Forma con V-ing
I could be bellowing you could be bellowing he could be bellowing we could be bellowing you could be bellowing they could be bellowing
Perfecto
I could have bellowed you could have bellowed he could have bellowed we could have bellowed you could have bellowed they could have bellowed
Perfecto con V-ing
I could have been bellowing you could have been bellowing he could have been bellowing we could have been bellowing you could have been bellowing they could have been bellowing
Negación
Forma simple
I couldn't bellow you couldn't bellow he couldn't bellow we couldn't bellow you couldn't bellow they couldn't bellow
Forma con V-ing
I couldn't be bellowing you couldn't be bellowing he couldn't be bellowing we couldn't be bellowing you couldn't be bellowing they couldn't be bellowing
Perfecto
I couldn't have bellowed you couldn't have bellowed he couldn't have bellowed we couldn't have bellowed you couldn't have bellowed they couldn't have bellowed
Perfecto con V-ing
I couldn't have been bellowing you couldn't have been bellowing he couldn't have been bellowing we couldn't have been bellowing you couldn't have been bellowing they couldn't have been bellowing
Forma interrogativa
Forma simple
could I bellow? could you bellow? could he bellow? could we bellow? could you bellow? could they bellow?
Forma con V-ing
could I be bellowing? could you be bellowing? could he be bellowing? could we be bellowing? could you be bellowing? could they be bellowing?
Perfecto
could I have bellowed? could you have bellowed? could he have bellowed? could we have bellowed? could you have bellowed? could they have bellowed?
Perfecto con V-ing
could I have been bellowing? could you have been bellowing? could he have been bellowing? could we have been bellowing? could you have been bellowing? could they have been bellowing?
Forma interro-negativa
Forma simple
couldn't I bellow? couldn't you bellow? couldn't he bellow? couldn't we bellow? couldn't you bellow? couldn't they bellow?
Forma con V-ing
couldn't I be bellowing? couldn't you be bellowing? couldn't he be bellowing? couldn't we be bellowing? couldn't you be bellowing? couldn't they be bellowing?
Perfecto
couldn't I have bellowed? couldn't you have bellowed? couldn't he have bellowed? couldn't we have bellowed? couldn't you have bellowed? couldn't they have bellowed?
Perfecto con V-ing
couldn't I have been bellowing? couldn't you have been bellowing? couldn't he have been bellowing? couldn't we have been bellowing? couldn't you have been bellowing? couldn't they have been bellowing?