could barter
Verbo regular: barter - bartered- bartered

Afirmação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I could barter
you could barter
he could barter
we could barter
you could barter
they could barter 	I could be bartering
you could be bartering
he could be bartering
we could be bartering
you could be bartering
they could be bartering	I could have bartered
you could have bartered
he could have bartered
we could have bartered
you could have bartered
they could have bartered	I could have been bartering
you could have been bartering
he could have been bartering
we could have been bartering
you could have been bartering
they could have been bartering	

Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I couldn't barter
you couldn't barter
he couldn't barter
we couldn't barter
you couldn't barter
they couldn't barter 	I couldn't be bartering
you couldn't be bartering
he couldn't be bartering
we couldn't be bartering
you couldn't be bartering
they couldn't be bartering	I couldn't have bartered
you couldn't have bartered
he couldn't have bartered
we couldn't have bartered
you couldn't have bartered
they couldn't have bartered	I couldn't have been bartering
you couldn't have been bartering
he couldn't have been bartering
we couldn't have been bartering
you couldn't have been bartering
they couldn't have been bartering	

Forma interrogativa 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
could I barter?
could you barter?
could he barter?
could we barter?
could you barter?
could they barter? 	could I be bartering?
could you be bartering?
could he be bartering?
could we be bartering?
could you be bartering?
could they be bartering? 	could I have bartered?
could you have bartered?
could he have bartered?
could we have bartered?
could you have bartered?
could they have bartered? 	could I have been bartering?
could you have been bartering?
could he have been bartering?
could we have been bartering?
could you have been bartering?
could they have been bartering? 	

Forma interro-Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
couldn't I barter?
couldn't you barter?
couldn't he barter?
couldn't we barter?
couldn't you barter?
couldn't they barter? 	couldn't I be bartering?
couldn't you be bartering?
couldn't he be bartering?
couldn't we be bartering?
couldn't you be bartering?
couldn't they be bartering? 	couldn't I have bartered?
couldn't you have bartered?
couldn't he have bartered?
couldn't we have bartered?
couldn't you have bartered?
couldn't they have bartered? 	couldn't I have been bartering?
couldn't you have been bartering?
couldn't he have been bartering?
couldn't we have been bartering?
couldn't you have been bartering?
couldn't they have been bartering?