Conjugación del verbo inglés
COULD ANNOUNCE

Verbo regular: announce - announced - announced

Afirmación

Forma simple	Forma con V-ing
I could announce you could announce she could announce we could announce you could announce they could announce	I could be announcing you could be announcing she could be announcing we could be announcing you could be announcing they could be announcing
Perfecto	Perfecto con V-ing
I could have announced you could have announced she could have announced we could have announced you could have announced they could have announced	I could have been announcing you could have been announcing she could have been announcing we could have been announcing you could have been announcing they could have been announcing

Negación

Forma simple	Forma con V-ing
I could not announce you could not announce she could not announce we could not announce you could not announce they could not announce	I could not be announcing you could not be announcing she could not be announcing we could not be announcing you could not be announcing they could not be announcing
Perfecto	Perfecto con V-ing
I could not have announced you could not have announced she could not have announced we could not have announced you could not have announced they could not have announced	I could not have been announcing you could not have been announcing she could not have been announcing we could not have been announcing you could not have been announcing they could not have been announcing

Forma interrogativa

Forma simple	Forma con V-ing
could I announce? could you announce? could she announce? could we announce? could you announce? could they announce?	could I be announcing? could you be announcing? could she be announcing? could we be announcing? could you be announcing? could they be announcing?
Perfecto	Perfecto con V-ing
could I have announced? could you have announced? could she have announced? could we have announced? could you have announced? could they have announced?	could I have been announcing? could you have been announcing? could she have been announcing? could we have been announcing? could you have been announcing? could they have been announcing?

Forma interro-negativa

Forma simple	Forma con V-ing
could I not announce? could you not announce? could she not announce? could we not announce? could you not announce? could they not announce?	could I not be announcing? could you not be announcing? could she not be announcing? could we not be announcing? could you not be announcing? could they not be announcing?
Perfecto	Perfecto con V-ing
could I not have announced? could you not have announced? could she not have announced? could we not have announced? could you not have announced? could they not have announced?	could I not have been announcing? could you not have been announcing? could she not have been announcing? could we not have been announcing? could you not have been announcing? could they not have been announcing?