I could preannounce you could preannounce she could preannounce we could preannounce you could preannounce they could preannounce
Forme en V-ing
I could be preannouncing you could be preannouncing she could be preannouncing we could be preannouncing you could be preannouncing they could be preannouncing
Perfect
I could have preannounced you could have preannounced she could have preannounced we could have preannounced you could have preannounced they could have preannounced
Perfect en V-ing
I could have been preannouncing you could have been preannouncing she could have been preannouncing we could have been preannouncing you could have been preannouncing they could have been preannouncing
Négation
Forme simple
I could not preannounce you could not preannounce she could not preannounce we could not preannounce you could not preannounce they could not preannounce
Forme en V-ing
I could not be preannouncing you could not be preannouncing she could not be preannouncing we could not be preannouncing you could not be preannouncing they could not be preannouncing
Perfect
I could not have preannounced you could not have preannounced she could not have preannounced we could not have preannounced you could not have preannounced they could not have preannounced
Perfect en V-ing
I could not have been preannouncing you could not have been preannouncing she could not have been preannouncing we could not have been preannouncing you could not have been preannouncing they could not have been preannouncing
Forme interrogative
Forme simple
could I preannounce? could you preannounce? could she preannounce? could we preannounce? could you preannounce? could they preannounce?
Forme en V-ing
could I be preannouncing? could you be preannouncing? could she be preannouncing? could we be preannouncing? could you be preannouncing? could they be preannouncing?
Perfect
could I have preannounced? could you have preannounced? could she have preannounced? could we have preannounced? could you have preannounced? could they have preannounced?
Perfect en V-ing
could I have been preannouncing? could you have been preannouncing? could she have been preannouncing? could we have been preannouncing? could you have been preannouncing? could they have been preannouncing?
Forme interro-négative
Forme simple
could I not preannounce? could you not preannounce? could she not preannounce? could we not preannounce? could you not preannounce? could they not preannounce?
Forme en V-ing
could I not be preannouncing? could you not be preannouncing? could she not be preannouncing? could we not be preannouncing? could you not be preannouncing? could they not be preannouncing?
Perfect
could I not have preannounced? could you not have preannounced? could she not have preannounced? could we not have preannounced? could you not have preannounced? could they not have preannounced?
Perfect en V-ing
could I not have been preannouncing? could you not have been preannouncing? could she not have been preannouncing? could we not have been preannouncing? could you not have been preannouncing? could they not have been preannouncing?