could preannounce
Verbe régulier : preannounce - preannounced- preannounced

Affirmation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I could preannounce
you could preannounce
he could preannounce
we could preannounce
you could preannounce
they could preannounce 	I could be preannouncing
you could be preannouncing
he could be preannouncing
we could be preannouncing
you could be preannouncing
they could be preannouncing	I could have preannounced
you could have preannounced
he could have preannounced
we could have preannounced
you could have preannounced
they could have preannounced	I could have been preannouncing
you could have been preannouncing
he could have been preannouncing
we could have been preannouncing
you could have been preannouncing
they could have been preannouncing	

Négation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I couldn't preannounce
you couldn't preannounce
he couldn't preannounce
we couldn't preannounce
you couldn't preannounce
they couldn't preannounce 	I couldn't be preannouncing
you couldn't be preannouncing
he couldn't be preannouncing
we couldn't be preannouncing
you couldn't be preannouncing
they couldn't be preannouncing	I couldn't have preannounced
you couldn't have preannounced
he couldn't have preannounced
we couldn't have preannounced
you couldn't have preannounced
they couldn't have preannounced	I couldn't have been preannouncing
you couldn't have been preannouncing
he couldn't have been preannouncing
we couldn't have been preannouncing
you couldn't have been preannouncing
they couldn't have been preannouncing	

Forme interrogative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
could I preannounce?
could you preannounce?
could he preannounce?
could we preannounce?
could you preannounce?
could they preannounce? 	could I be preannouncing?
could you be preannouncing?
could he be preannouncing?
could we be preannouncing?
could you be preannouncing?
could they be preannouncing? 	could I have preannounced?
could you have preannounced?
could he have preannounced?
could we have preannounced?
could you have preannounced?
could they have preannounced? 	could I have been preannouncing?
could you have been preannouncing?
could he have been preannouncing?
could we have been preannouncing?
could you have been preannouncing?
could they have been preannouncing? 	

Forme interro-négative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
couldn't I preannounce?
couldn't you preannounce?
couldn't he preannounce?
couldn't we preannounce?
couldn't you preannounce?
couldn't they preannounce? 	couldn't I be preannouncing?
couldn't you be preannouncing?
couldn't he be preannouncing?
couldn't we be preannouncing?
couldn't you be preannouncing?
couldn't they be preannouncing? 	couldn't I have preannounced?
couldn't you have preannounced?
couldn't he have preannounced?
couldn't we have preannounced?
couldn't you have preannounced?
couldn't they have preannounced? 	couldn't I have been preannouncing?
couldn't you have been preannouncing?
couldn't he have been preannouncing?
couldn't we have been preannouncing?
couldn't you have been preannouncing?
couldn't they have been preannouncing?