could curd
Verbe régulier : curd - curded- curded

Affirmation 	
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I could curd
you could curd
he could curd
we could curd
you could curd
they could curd 	I could be curding
you could be curding
he could be curding
we could be curding
you could be curding
they could be curding	I could have curded
you could have curded
he could have curded
we could have curded
you could have curded
they could have curded	I could have been curding
you could have been curding
he could have been curding
we could have been curding
you could have been curding
they could have been curding	

Négation 	
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I couldn't curd
you couldn't curd
he couldn't curd
we couldn't curd
you couldn't curd
they couldn't curd 	I couldn't be curding
you couldn't be curding
he couldn't be curding
we couldn't be curding
you couldn't be curding
they couldn't be curding	I couldn't have curded
you couldn't have curded
he couldn't have curded
we couldn't have curded
you couldn't have curded
they couldn't have curded	I couldn't have been curding
you couldn't have been curding
he couldn't have been curding
we couldn't have been curding
you couldn't have been curding
they couldn't have been curding	

Forme interrogative 	
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could I curd?
could you curd?
could he curd?
could we curd?
could you curd?
could they curd? 	could I be curding?
could you be curding?
could he be curding?
could we be curding?
could you be curding?
could they be curding? 	could I have curded?
could you have curded?
could he have curded?
could we have curded?
could you have curded?
could they have curded? 	could I have been curding?
could you have been curding?
could he have been curding?
could we have been curding?
could you have been curding?
could they have been curding? 	

Forme interro-négative 	
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couldn't I curd?
couldn't you curd?
couldn't he curd?
couldn't we curd?
couldn't you curd?
couldn't they curd? 	couldn't I be curding?
couldn't you be curding?
couldn't he be curding?
couldn't we be curding?
couldn't you be curding?
couldn't they be curding? 	couldn't I have curded?
couldn't you have curded?
couldn't he have curded?
couldn't we have curded?
couldn't you have curded?
couldn't they have curded? 	couldn't I have been curding?
couldn't you have been curding?
couldn't he have been curding?
couldn't we have been curding?
couldn't you have been curding?
couldn't they have been curding?