could festoon
Verbe régulier : festoon - festooned- festooned
Traduction française : orner de festons - festonner 

Affirmation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I could festoon
you could festoon
she could festoon
we could festoon
you could festoon
they could festoon 	I could be festooning
you could be festooning
she could be festooning
we could be festooning
you could be festooning
they could be festooning	I could have festooned
you could have festooned
she could have festooned
we could have festooned
you could have festooned
they could have festooned	I could have been festooning
you could have been festooning
she could have been festooning
we could have been festooning
you could have been festooning
they could have been festooning	

Négation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I could not festoon
you could not festoon
she could not festoon
we could not festoon
you could not festoon
they could not festoon 	I could not be festooning
you could not be festooning
she could not be festooning
we could not be festooning
you could not be festooning
they could not be festooning	I could not have festooned
you could not have festooned
she could not have festooned
we could not have festooned
you could not have festooned
they could not have festooned	I could not have been festooning
you could not have been festooning
she could not have been festooning
we could not have been festooning
you could not have been festooning
they could not have been festooning	

Forme interrogative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
could I festoon?
could you festoon?
could she festoon?
could we festoon?
could you festoon?
could they festoon? 	could I be festooning?
could you be festooning?
could she be festooning?
could we be festooning?
could you be festooning?
could they be festooning? 	could I have festooned?
could you have festooned?
could she have festooned?
could we have festooned?
could you have festooned?
could they have festooned? 	could I have been festooning?
could you have been festooning?
could she have been festooning?
could we have been festooning?
could you have been festooning?
could they have been festooning? 	

Forme interro-négative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
could I not festoon?
could you not festoon?
could she not festoon?
could we not festoon?
could you not festoon?
could they not festoon? 	could I not be festooning?
could you not be festooning?
could she not be festooning?
could we not be festooning?
could you not be festooning?
could they not be festooning? 	could I not have festooned?
could you not have festooned?
could she not have festooned?
could we not have festooned?
could you not have festooned?
could they not have festooned? 	could I not have been festooning?
could you not have been festooning?
could she not have been festooning?
could we not have been festooning?
could you not have been festooning?
could they not have been festooning?