can preacknowledge
Verbo regular: preacknowledge - preacknowledged- preacknowledged

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

Negación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I cannot preacknowledge
you cannot preacknowledge
she cannot preacknowledge
we cannot preacknowledge
you cannot preacknowledge
they cannot preacknowledge 	I cannot be preacknowledging
you cannot be preacknowledging
she cannot be preacknowledging
we cannot be preacknowledging
you cannot be preacknowledging
they cannot be preacknowledging	I cannot have preacknowledged
you cannot have preacknowledged
she cannot have preacknowledged
we cannot have preacknowledged
you cannot have preacknowledged
they cannot have preacknowledged	I cannot have been preacknowledging
you cannot have been preacknowledging
she cannot have been preacknowledging
we cannot have been preacknowledging
you cannot have been preacknowledging
they cannot have been preacknowledging	

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

Forma interro-negativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
can I not preacknowledge?
can you not preacknowledge?
can she not preacknowledge?
can we not preacknowledge?
can you not preacknowledge?
can they not preacknowledge? 	can I not be preacknowledging?
can you not be preacknowledging?
can she not be preacknowledging?
can we not be preacknowledging?
can you not be preacknowledging?
can they not be preacknowledging? 	can I not have preacknowledged?
can you not have preacknowledged?
can she not have preacknowledged?
can we not have preacknowledged?
can you not have preacknowledged?
can they not have preacknowledged? 	can I not have been preacknowledging?
can you not have been preacknowledging?
can she not have been preacknowledging?
can we not have been preacknowledging?
can you not have been preacknowledging?
can they not have been preacknowledging?