should preacknowledge
Verbo regular: preacknowledge - preacknowledged- preacknowledged

Afirmação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I should preacknowledge
you should preacknowledge
he should preacknowledge
we should preacknowledge
you should preacknowledge
they should preacknowledge 	I should be preacknowledging
you should be preacknowledging
he should be preacknowledging
we should be preacknowledging
you should be preacknowledging
they should be preacknowledging	I should have preacknowledged
you should have preacknowledged
he should have preacknowledged
we should have preacknowledged
you should have preacknowledged
they should have preacknowledged	I should have been preacknowledging
you should have been preacknowledging
he should have been preacknowledging
we should have been preacknowledging
you should have been preacknowledging
they should have been preacknowledging	

Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I should not preacknowledge
you should not preacknowledge
he should not preacknowledge
we should not preacknowledge
you should not preacknowledge
they should not preacknowledge 	I should not be preacknowledging
you should not be preacknowledging
he should not be preacknowledging
we should not be preacknowledging
you should not be preacknowledging
they should not be preacknowledging	I should not have preacknowledged
you should not have preacknowledged
he should not have preacknowledged
we should not have preacknowledged
you should not have preacknowledged
they should not have preacknowledged	I should not have been preacknowledging
you should not have been preacknowledging
he should not have been preacknowledging
we should not have been preacknowledging
you should not have been preacknowledging
they should not have been preacknowledging	

Forma interrogativa 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
should I preacknowledge?
should you preacknowledge?
should he preacknowledge?
should we preacknowledge?
should you preacknowledge?
should they preacknowledge? 	should I be preacknowledging?
should you be preacknowledging?
should he be preacknowledging?
should we be preacknowledging?
should you be preacknowledging?
should they be preacknowledging? 	should I have preacknowledged?
should you have preacknowledged?
should he have preacknowledged?
should we have preacknowledged?
should you have preacknowledged?
should they have preacknowledged? 	should I have been preacknowledging?
should you have been preacknowledging?
should he have been preacknowledging?
should we have been preacknowledging?
should you have been preacknowledging?
should they have been preacknowledging? 	

Forma interro-Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
should I not preacknowledge?
should you not preacknowledge?
should he not preacknowledge?
should we not preacknowledge?
should you not preacknowledge?
should they not preacknowledge? 	should I not be preacknowledging?
should you not be preacknowledging?
should he not be preacknowledging?
should we not be preacknowledging?
should you not be preacknowledging?
should they not be preacknowledging? 	should I not have preacknowledged?
should you not have preacknowledged?
should he not have preacknowledged?
should we not have preacknowledged?
should you not have preacknowledged?
should they not have preacknowledged? 	should I not have been preacknowledging?
should you not have been preacknowledging?
should he not have been preacknowledging?
should we not have been preacknowledging?
should you not have been preacknowledging?
should they not have been preacknowledging?