could extenuate
Verbe régulier : extenuate - extenuated- extenuated

Affirmation 	
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I could extenuate
you could extenuate
he could extenuate
we could extenuate
you could extenuate
they could extenuate 	I could be extenuating
you could be extenuating
he could be extenuating
we could be extenuating
you could be extenuating
they could be extenuating	I could have extenuated
you could have extenuated
he could have extenuated
we could have extenuated
you could have extenuated
they could have extenuated	I could have been extenuating
you could have been extenuating
he could have been extenuating
we could have been extenuating
you could have been extenuating
they could have been extenuating	

Négation 	
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I could not extenuate
you could not extenuate
he could not extenuate
we could not extenuate
you could not extenuate
they could not extenuate 	I could not be extenuating
you could not be extenuating
he could not be extenuating
we could not be extenuating
you could not be extenuating
they could not be extenuating	I could not have extenuated
you could not have extenuated
he could not have extenuated
we could not have extenuated
you could not have extenuated
they could not have extenuated	I could not have been extenuating
you could not have been extenuating
he could not have been extenuating
we could not have been extenuating
you could not have been extenuating
they could not have been extenuating	

Forme interrogative 	
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could I extenuate?
could you extenuate?
could he extenuate?
could we extenuate?
could you extenuate?
could they extenuate? 	could I be extenuating?
could you be extenuating?
could he be extenuating?
could we be extenuating?
could you be extenuating?
could they be extenuating? 	could I have extenuated?
could you have extenuated?
could he have extenuated?
could we have extenuated?
could you have extenuated?
could they have extenuated? 	could I have been extenuating?
could you have been extenuating?
could he have been extenuating?
could we have been extenuating?
could you have been extenuating?
could they have been extenuating? 	

Forme interro-négative 	
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could I not extenuate?
could you not extenuate?
could he not extenuate?
could we not extenuate?
could you not extenuate?
could they not extenuate? 	could I not be extenuating?
could you not be extenuating?
could he not be extenuating?
could we not be extenuating?
could you not be extenuating?
could they not be extenuating? 	could I not have extenuated?
could you not have extenuated?
could he not have extenuated?
could we not have extenuated?
could you not have extenuated?
could they not have extenuated? 	could I not have been extenuating?
could you not have been extenuating?
could he not have been extenuating?
could we not have been extenuating?
could you not have been extenuating?
could they not have been extenuating?