could require
Verbe régulier : require - required- required
Traduction française : exiger - nécessiter 

Affirmation 	
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I could require
you could require
he could require
we could require
you could require
they could require 	I could be requiring
you could be requiring
he could be requiring
we could be requiring
you could be requiring
they could be requiring	I could have required
you could have required
he could have required
we could have required
you could have required
they could have required	I could have been requiring
you could have been requiring
he could have been requiring
we could have been requiring
you could have been requiring
they could have been requiring	

Négation 	
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I couldn't require
you couldn't require
he couldn't require
we couldn't require
you couldn't require
they couldn't require 	I couldn't be requiring
you couldn't be requiring
he couldn't be requiring
we couldn't be requiring
you couldn't be requiring
they couldn't be requiring	I couldn't have required
you couldn't have required
he couldn't have required
we couldn't have required
you couldn't have required
they couldn't have required	I couldn't have been requiring
you couldn't have been requiring
he couldn't have been requiring
we couldn't have been requiring
you couldn't have been requiring
they couldn't have been requiring	

Forme interrogative 	
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could I require?
could you require?
could he require?
could we require?
could you require?
could they require? 	could I be requiring?
could you be requiring?
could he be requiring?
could we be requiring?
could you be requiring?
could they be requiring? 	could I have required?
could you have required?
could he have required?
could we have required?
could you have required?
could they have required? 	could I have been requiring?
could you have been requiring?
could he have been requiring?
could we have been requiring?
could you have been requiring?
could they have been requiring? 	

Forme interro-négative 	
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couldn't I require?
couldn't you require?
couldn't he require?
couldn't we require?
couldn't you require?
couldn't they require? 	couldn't I be requiring?
couldn't you be requiring?
couldn't he be requiring?
couldn't we be requiring?
couldn't you be requiring?
couldn't they be requiring? 	couldn't I have required?
couldn't you have required?
couldn't he have required?
couldn't we have required?
couldn't you have required?
couldn't they have required? 	couldn't I have been requiring?
couldn't you have been requiring?
couldn't he have been requiring?
couldn't we have been requiring?
couldn't you have been requiring?
couldn't they have been requiring?