could barter
Regular verb: barter - bartered- bartered

Affirmation 	
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I could barter
you could barter
she could barter
we could barter
you could barter
they could barter 	I could be bartering
you could be bartering
she could be bartering
we could be bartering
you could be bartering
they could be bartering	I could have bartered
you could have bartered
she 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
she could have been bartering
we could have been bartering
you could have been bartering
they could have been bartering	

Negation 	
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I couldn't barter
you couldn't barter
she 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
she 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
she 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
she couldn't have been bartering
we couldn't have been bartering
you couldn't have been bartering
they couldn't have been bartering	

Interrogative form 	
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could I barter?
could you barter?
could she barter?
could we barter?
could you barter?
could they barter? 	could I be bartering?
could you be bartering?
could she be bartering?
could we be bartering?
could you be bartering?
could they be bartering? 	could I have bartered?
could you have bartered?
could she 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 she have been bartering?
could we have been bartering?
could you have been bartering?
could they have been bartering? 	

Interro-negative form 	
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couldn't I barter?
couldn't you barter?
couldn't she 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 she 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 she 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 she have been bartering?
couldn't we have been bartering?
couldn't you have been bartering?
couldn't they have been bartering?