Conjugación del verbo inglés
COULD PREANNOUNCE

Verbo regular: preannounce - preannounced - preannounced

Afirmación

Forma simple	Forma con 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
Perfecto	Perfecto con V-ing
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

Negación

Forma simple	Forma con V-ing
I could not preannounce you could not preannounce he could not preannounce we could not preannounce you could not preannounce they could not preannounce	I could not be preannouncing you could not be preannouncing he could not be preannouncing we could not be preannouncing you could not be preannouncing they could not be preannouncing
Perfecto	Perfecto con V-ing
I could not have preannounced you could not have preannounced he could not have preannounced we could not have preannounced you could not have preannounced they could not have preannounced	I could not have been preannouncing you could not have been preannouncing he could not have been preannouncing we could not have been preannouncing you could not have been preannouncing they could not have been preannouncing

Forma interrogativa

Forma simple	Forma con 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?
Perfecto	Perfecto con V-ing
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?

Forma interro-negativa

Forma simple	Forma con V-ing
could I not preannounce? could you not preannounce? could he not preannounce? could we not preannounce? could you not preannounce? could they not preannounce?	could I not be preannouncing? could you not be preannouncing? could he not be preannouncing? could we not be preannouncing? could you not be preannouncing? could they not be preannouncing?
Perfecto	Perfecto con V-ing
could I not have preannounced? could you not have preannounced? could he not have preannounced? could we not have preannounced? could you not have preannounced? could they not have preannounced?	could I not have been preannouncing? could you not have been preannouncing? could he not have been preannouncing? could we not have been preannouncing? could you not have been preannouncing? could they not have been preannouncing?