could louden
Verbe régulier : louden - loudened- loudened

Affirmation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I could louden
you could louden
she could louden
we could louden
you could louden
they could louden 	I could be loudening
you could be loudening
she could be loudening
we could be loudening
you could be loudening
they could be loudening	I could have loudened
you could have loudened
she could have loudened
we could have loudened
you could have loudened
they could have loudened	I could have been loudening
you could have been loudening
she could have been loudening
we could have been loudening
you could have been loudening
they could have been loudening	

Négation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I could not louden
you could not louden
she could not louden
we could not louden
you could not louden
they could not louden 	I could not be loudening
you could not be loudening
she could not be loudening
we could not be loudening
you could not be loudening
they could not be loudening	I could not have loudened
you could not have loudened
she could not have loudened
we could not have loudened
you could not have loudened
they could not have loudened	I could not have been loudening
you could not have been loudening
she could not have been loudening
we could not have been loudening
you could not have been loudening
they could not have been loudening	

Forme interrogative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
could I louden?
could you louden?
could she louden?
could we louden?
could you louden?
could they louden? 	could I be loudening?
could you be loudening?
could she be loudening?
could we be loudening?
could you be loudening?
could they be loudening? 	could I have loudened?
could you have loudened?
could she have loudened?
could we have loudened?
could you have loudened?
could they have loudened? 	could I have been loudening?
could you have been loudening?
could she have been loudening?
could we have been loudening?
could you have been loudening?
could they have been loudening? 	

Forme interro-négative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
could I not louden?
could you not louden?
could she not louden?
could we not louden?
could you not louden?
could they not louden? 	could I not be loudening?
could you not be loudening?
could she not be loudening?
could we not be loudening?
could you not be loudening?
could they not be loudening? 	could I not have loudened?
could you not have loudened?
could she not have loudened?
could we not have loudened?
could you not have loudened?
could they not have loudened? 	could I not have been loudening?
could you not have been loudening?
could she not have been loudening?
could we not have been loudening?
could you not have been loudening?
could they not have been loudening?