English verb conjugation
COULD BELLOW

Regular verb: bellow - bellowed - bellowed

Affirmation

Simple form	V-ing form
I could bellow you could bellow he could bellow we could bellow you could bellow they could bellow	I could be bellowing you could be bellowing he could be bellowing we could be bellowing you could be bellowing they could be bellowing
Perfect	V-ing perfect
I could have bellowed you could have bellowed he could have bellowed we could have bellowed you could have bellowed they could have bellowed	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

Negation

Simple form	V-ing form
I couldn't bellow you couldn't bellow he couldn't bellow we couldn't bellow you couldn't bellow they couldn't bellow	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
Perfect	V-ing perfect
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	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

Interrogative form

Simple form	V-ing form
could I bellow? could you bellow? could he bellow? could we bellow? could you bellow? could they bellow?	could I be bellowing? could you be bellowing? could he be bellowing? could we be bellowing? could you be bellowing? could they be bellowing?
Perfect	V-ing perfect
could I have bellowed? could you have bellowed? could he have bellowed? could we have bellowed? could you have bellowed? could they have bellowed?	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?

Interro-negative form

Simple form	V-ing form
couldn't I bellow? couldn't you bellow? couldn't he bellow? couldn't we bellow? couldn't you bellow? couldn't they bellow?	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?
Perfect	V-ing perfect
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?	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?