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 could not preacknowledge
you could not preacknowledge
he could not preacknowledge
we could not preacknowledge
you could not preacknowledge
they could not preacknowledge 	I could not be preacknowledging
you could not be preacknowledging
he could not be preacknowledging
we could not be preacknowledging
you could not be preacknowledging
they could not be preacknowledging	I could not have preacknowledged
you could not have preacknowledged
he could not have preacknowledged
we could not have preacknowledged
you could not have preacknowledged
they could not have preacknowledged	I could not have been preacknowledging
you could not have been preacknowledging
he could not have been preacknowledging
we could not have been preacknowledging
you could not have been preacknowledging
they could not 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 	
could I not preacknowledge?
could you not preacknowledge?
could he not preacknowledge?
could we not preacknowledge?
could you not preacknowledge?
could they not preacknowledge? 	could I not be preacknowledging?
could you not be preacknowledging?
could he not be preacknowledging?
could we not be preacknowledging?
could you not be preacknowledging?
could they not be preacknowledging? 	could I not have preacknowledged?
could you not have preacknowledged?
could he not have preacknowledged?
could we not have preacknowledged?
could you not have preacknowledged?
could they not have preacknowledged? 	could I not have been preacknowledging?
could you not have been preacknowledging?
could he not have been preacknowledging?
could we not have been preacknowledging?
could you not have been preacknowledging?
could they not have been preacknowledging?