could extenuate
Verbe régulier : extenuate - extenuated- extenuated

Affirmation 	
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I could extenuate
you could extenuate
she could extenuate
we could extenuate
you could extenuate
they could extenuate 	I could be extenuating
you could be extenuating
she could be extenuating
we could be extenuating
you could be extenuating
they could be extenuating	I could have extenuated
you could have extenuated
she 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
she 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 couldn't extenuate
you couldn't extenuate
she couldn't extenuate
we couldn't extenuate
you couldn't extenuate
they couldn't extenuate 	I couldn't be extenuating
you couldn't be extenuating
she couldn't be extenuating
we couldn't be extenuating
you couldn't be extenuating
they couldn't be extenuating	I couldn't have extenuated
you couldn't have extenuated
she couldn't have extenuated
we couldn't have extenuated
you couldn't have extenuated
they couldn't have extenuated	I couldn't have been extenuating
you couldn't have been extenuating
she couldn't have been extenuating
we couldn't have been extenuating
you couldn't have been extenuating
they couldn't have been extenuating	

Forme interrogative 	
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could I extenuate?
could you extenuate?
could she extenuate?
could we extenuate?
could you extenuate?
could they extenuate? 	could I be extenuating?
could you be extenuating?
could she be extenuating?
could we be extenuating?
could you be extenuating?
could they be extenuating? 	could I have extenuated?
could you have extenuated?
could she 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 she 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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couldn't I extenuate?
couldn't you extenuate?
couldn't she extenuate?
couldn't we extenuate?
couldn't you extenuate?
couldn't they extenuate? 	couldn't I be extenuating?
couldn't you be extenuating?
couldn't she be extenuating?
couldn't we be extenuating?
couldn't you be extenuating?
couldn't they be extenuating? 	couldn't I have extenuated?
couldn't you have extenuated?
couldn't she have extenuated?
couldn't we have extenuated?
couldn't you have extenuated?
couldn't they have extenuated? 	couldn't I have been extenuating?
couldn't you have been extenuating?
couldn't she have been extenuating?
couldn't we have been extenuating?
couldn't you have been extenuating?
couldn't they have been extenuating?