could attribute
Verbe régulier : attribute - attributed- attributed
Traduction française : attribuer - imputer 

Affirmation 	
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I could attribute
you could attribute
he could attribute
we could attribute
you could attribute
they could attribute 	I could be attributing
you could be attributing
he could be attributing
we could be attributing
you could be attributing
they could be attributing	I could have attributed
you could have attributed
he could have attributed
we could have attributed
you could have attributed
they could have attributed	I could have been attributing
you could have been attributing
he could have been attributing
we could have been attributing
you could have been attributing
they could have been attributing	

Négation 	
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I couldn't attribute
you couldn't attribute
he couldn't attribute
we couldn't attribute
you couldn't attribute
they couldn't attribute 	I couldn't be attributing
you couldn't be attributing
he couldn't be attributing
we couldn't be attributing
you couldn't be attributing
they couldn't be attributing	I couldn't have attributed
you couldn't have attributed
he couldn't have attributed
we couldn't have attributed
you couldn't have attributed
they couldn't have attributed	I couldn't have been attributing
you couldn't have been attributing
he couldn't have been attributing
we couldn't have been attributing
you couldn't have been attributing
they couldn't have been attributing	

Forme interrogative 	
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could I attribute?
could you attribute?
could he attribute?
could we attribute?
could you attribute?
could they attribute? 	could I be attributing?
could you be attributing?
could he be attributing?
could we be attributing?
could you be attributing?
could they be attributing? 	could I have attributed?
could you have attributed?
could he have attributed?
could we have attributed?
could you have attributed?
could they have attributed? 	could I have been attributing?
could you have been attributing?
could he have been attributing?
could we have been attributing?
could you have been attributing?
could they have been attributing? 	

Forme interro-négative 	
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couldn't I attribute?
couldn't you attribute?
couldn't he attribute?
couldn't we attribute?
couldn't you attribute?
couldn't they attribute? 	couldn't I be attributing?
couldn't you be attributing?
couldn't he be attributing?
couldn't we be attributing?
couldn't you be attributing?
couldn't they be attributing? 	couldn't I have attributed?
couldn't you have attributed?
couldn't he have attributed?
couldn't we have attributed?
couldn't you have attributed?
couldn't they have attributed? 	couldn't I have been attributing?
couldn't you have been attributing?
couldn't he have been attributing?
couldn't we have been attributing?
couldn't you have been attributing?
couldn't they have been attributing?