could overdescribe
Verbe régulier : overdescribe - overdescribed- overdescribed

Affirmation 	
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I could overdescribe
you could overdescribe
he could overdescribe
we could overdescribe
you could overdescribe
they could overdescribe 	I could be overdescribing
you could be overdescribing
he could be overdescribing
we could be overdescribing
you could be overdescribing
they could be overdescribing	I could have overdescribed
you could have overdescribed
he could have overdescribed
we could have overdescribed
you could have overdescribed
they could have overdescribed	I could have been overdescribing
you could have been overdescribing
he could have been overdescribing
we could have been overdescribing
you could have been overdescribing
they could have been overdescribing	

Négation 	
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I couldn't overdescribe
you couldn't overdescribe
he couldn't overdescribe
we couldn't overdescribe
you couldn't overdescribe
they couldn't overdescribe 	I couldn't be overdescribing
you couldn't be overdescribing
he couldn't be overdescribing
we couldn't be overdescribing
you couldn't be overdescribing
they couldn't be overdescribing	I couldn't have overdescribed
you couldn't have overdescribed
he couldn't have overdescribed
we couldn't have overdescribed
you couldn't have overdescribed
they couldn't have overdescribed	I couldn't have been overdescribing
you couldn't have been overdescribing
he couldn't have been overdescribing
we couldn't have been overdescribing
you couldn't have been overdescribing
they couldn't have been overdescribing	

Forme interrogative 	
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could I overdescribe?
could you overdescribe?
could he overdescribe?
could we overdescribe?
could you overdescribe?
could they overdescribe? 	could I be overdescribing?
could you be overdescribing?
could he be overdescribing?
could we be overdescribing?
could you be overdescribing?
could they be overdescribing? 	could I have overdescribed?
could you have overdescribed?
could he have overdescribed?
could we have overdescribed?
could you have overdescribed?
could they have overdescribed? 	could I have been overdescribing?
could you have been overdescribing?
could he have been overdescribing?
could we have been overdescribing?
could you have been overdescribing?
could they have been overdescribing? 	

Forme interro-négative 	
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couldn't I overdescribe?
couldn't you overdescribe?
couldn't he overdescribe?
couldn't we overdescribe?
couldn't you overdescribe?
couldn't they overdescribe? 	couldn't I be overdescribing?
couldn't you be overdescribing?
couldn't he be overdescribing?
couldn't we be overdescribing?
couldn't you be overdescribing?
couldn't they be overdescribing? 	couldn't I have overdescribed?
couldn't you have overdescribed?
couldn't he have overdescribed?
couldn't we have overdescribed?
couldn't you have overdescribed?
couldn't they have overdescribed? 	couldn't I have been overdescribing?
couldn't you have been overdescribing?
couldn't he have been overdescribing?
couldn't we have been overdescribing?
couldn't you have been overdescribing?
couldn't they have been overdescribing?