could retrain
Verbe régulier : retrain - retrained- retrained
Traduction française : recycler - se recycler 

Affirmation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I could retrain
you could retrain
he could retrain
we could retrain
you could retrain
they could retrain 	I could be retraining
you could be retraining
he could be retraining
we could be retraining
you could be retraining
they could be retraining	I could have retrained
you could have retrained
he could have retrained
we could have retrained
you could have retrained
they could have retrained	I could have been retraining
you could have been retraining
he could have been retraining
we could have been retraining
you could have been retraining
they could have been retraining	

Négation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I couldn't retrain
you couldn't retrain
he couldn't retrain
we couldn't retrain
you couldn't retrain
they couldn't retrain 	I couldn't be retraining
you couldn't be retraining
he couldn't be retraining
we couldn't be retraining
you couldn't be retraining
they couldn't be retraining	I couldn't have retrained
you couldn't have retrained
he couldn't have retrained
we couldn't have retrained
you couldn't have retrained
they couldn't have retrained	I couldn't have been retraining
you couldn't have been retraining
he couldn't have been retraining
we couldn't have been retraining
you couldn't have been retraining
they couldn't have been retraining	

Forme interrogative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
could I retrain?
could you retrain?
could he retrain?
could we retrain?
could you retrain?
could they retrain? 	could I be retraining?
could you be retraining?
could he be retraining?
could we be retraining?
could you be retraining?
could they be retraining? 	could I have retrained?
could you have retrained?
could he have retrained?
could we have retrained?
could you have retrained?
could they have retrained? 	could I have been retraining?
could you have been retraining?
could he have been retraining?
could we have been retraining?
could you have been retraining?
could they have been retraining? 	

Forme interro-négative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
couldn't I retrain?
couldn't you retrain?
couldn't he retrain?
couldn't we retrain?
couldn't you retrain?
couldn't they retrain? 	couldn't I be retraining?
couldn't you be retraining?
couldn't he be retraining?
couldn't we be retraining?
couldn't you be retraining?
couldn't they be retraining? 	couldn't I have retrained?
couldn't you have retrained?
couldn't he have retrained?
couldn't we have retrained?
couldn't you have retrained?
couldn't they have retrained? 	couldn't I have been retraining?
couldn't you have been retraining?
couldn't he have been retraining?
couldn't we have been retraining?
couldn't you have been retraining?
couldn't they have been retraining?