could bellow
Verbo regular: bellow - bellowed- bellowed

Afirmação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
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	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	

Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
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	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	

Forma interrogativa 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
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? 	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? 	

Forma interro-Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
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? 	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?