could announce
Verbo regular: announce - announced- announced

Afirmación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto 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	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 	Perfecto 	Perfecto con V-ing 	
I couldn't announce
you couldn't announce
she couldn't announce
we couldn't announce
you couldn't announce
they couldn't announce 	I couldn't be announcing
you couldn't be announcing
she couldn't be announcing
we couldn't be announcing
you couldn't be announcing
they couldn't be announcing	I couldn't have announced
you couldn't have announced
she couldn't have announced
we couldn't have announced
you couldn't have announced
they couldn't have announced	I couldn't have been announcing
you couldn't have been announcing
she couldn't have been announcing
we couldn't have been announcing
you couldn't have been announcing
they couldn't have been announcing	

Forma interrogativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto 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? 	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 	Perfecto 	Perfecto con V-ing 	
couldn't I announce?
couldn't you announce?
couldn't she announce?
couldn't we announce?
couldn't you announce?
couldn't they announce? 	couldn't I be announcing?
couldn't you be announcing?
couldn't she be announcing?
couldn't we be announcing?
couldn't you be announcing?
couldn't they be announcing? 	couldn't I have announced?
couldn't you have announced?
couldn't she have announced?
couldn't we have announced?
couldn't you have announced?
couldn't they have announced? 	couldn't I have been announcing?
couldn't you have been announcing?
couldn't she have been announcing?
couldn't we have been announcing?
couldn't you have been announcing?
couldn't they have been announcing?