English verb conjugation
COULD BELLOW

Regular verb: bellow - bellowed - bellowed

Affirmation

Simple form	V-ing form
I could bellow you could bellow she could bellow we could bellow you could bellow they could bellow	I could be bellowing you could be bellowing she 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 she 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 she 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 could not bellow you could not bellow she could not bellow we could not bellow you could not bellow they could not bellow	I could not be bellowing you could not be bellowing she could not be bellowing we could not be bellowing you could not be bellowing they could not be bellowing
Perfect	V-ing perfect
I could not have bellowed you could not have bellowed she could not have bellowed we could not have bellowed you could not have bellowed they could not have bellowed	I could not have been bellowing you could not have been bellowing she could not have been bellowing we could not have been bellowing you could not have been bellowing they could not have been bellowing

Interrogative form

Simple form	V-ing form
could I bellow? could you bellow? could she bellow? could we bellow? could you bellow? could they bellow?	could I be bellowing? could you be bellowing? could she 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 she 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 she 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
could I not bellow? could you not bellow? could she not bellow? could we not bellow? could you not bellow? could they not bellow?	could I not be bellowing? could you not be bellowing? could she not be bellowing? could we not be bellowing? could you not be bellowing? could they not be bellowing?
Perfect	V-ing perfect
could I not have bellowed? could you not have bellowed? could she not have bellowed? could we not have bellowed? could you not have bellowed? could they not have bellowed?	could I not have been bellowing? could you not have been bellowing? could she not have been bellowing? could we not have been bellowing? could you not have been bellowing? could they not have been bellowing?