could preacknowledge
Verbo regular: preacknowledge - preacknowledged- preacknowledged

Afirmación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I could preacknowledge
you could preacknowledge
he could preacknowledge
we could preacknowledge
you could preacknowledge
they could preacknowledge 	I could be preacknowledging
you could be preacknowledging
he could be preacknowledging
we could be preacknowledging
you could be preacknowledging
they could be preacknowledging	I could have preacknowledged
you could have preacknowledged
he could have preacknowledged
we could have preacknowledged
you could have preacknowledged
they could have preacknowledged	I could have been preacknowledging
you could have been preacknowledging
he could have been preacknowledging
we could have been preacknowledging
you could have been preacknowledging
they could have been preacknowledging	

Negación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I couldn't preacknowledge
you couldn't preacknowledge
he couldn't preacknowledge
we couldn't preacknowledge
you couldn't preacknowledge
they couldn't preacknowledge 	I couldn't be preacknowledging
you couldn't be preacknowledging
he couldn't be preacknowledging
we couldn't be preacknowledging
you couldn't be preacknowledging
they couldn't be preacknowledging	I couldn't have preacknowledged
you couldn't have preacknowledged
he couldn't have preacknowledged
we couldn't have preacknowledged
you couldn't have preacknowledged
they couldn't have preacknowledged	I couldn't have been preacknowledging
you couldn't have been preacknowledging
he couldn't have been preacknowledging
we couldn't have been preacknowledging
you couldn't have been preacknowledging
they couldn't have been preacknowledging	

Forma interrogativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
could I preacknowledge?
could you preacknowledge?
could he preacknowledge?
could we preacknowledge?
could you preacknowledge?
could they preacknowledge? 	could I be preacknowledging?
could you be preacknowledging?
could he be preacknowledging?
could we be preacknowledging?
could you be preacknowledging?
could they be preacknowledging? 	could I have preacknowledged?
could you have preacknowledged?
could he have preacknowledged?
could we have preacknowledged?
could you have preacknowledged?
could they have preacknowledged? 	could I have been preacknowledging?
could you have been preacknowledging?
could he have been preacknowledging?
could we have been preacknowledging?
could you have been preacknowledging?
could they have been preacknowledging? 	

Forma interro-negativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
couldn't I preacknowledge?
couldn't you preacknowledge?
couldn't he preacknowledge?
couldn't we preacknowledge?
couldn't you preacknowledge?
couldn't they preacknowledge? 	couldn't I be preacknowledging?
couldn't you be preacknowledging?
couldn't he be preacknowledging?
couldn't we be preacknowledging?
couldn't you be preacknowledging?
couldn't they be preacknowledging? 	couldn't I have preacknowledged?
couldn't you have preacknowledged?
couldn't he have preacknowledged?
couldn't we have preacknowledged?
couldn't you have preacknowledged?
couldn't they have preacknowledged? 	couldn't I have been preacknowledging?
couldn't you have been preacknowledging?
couldn't he have been preacknowledging?
couldn't we have been preacknowledging?
couldn't you have been preacknowledging?
couldn't they have been preacknowledging?