must preacknowledge
Verbo regolare: preacknowledge - preacknowledged- preacknowledged

Affermazione 	
Forma semplice 	Forma con V-ing 	Perfetto 	Perfetto con V-ing 	
I must preacknowledge
you must preacknowledge
he must preacknowledge
we must preacknowledge
you must preacknowledge
they must preacknowledge 	I must be preacknowledging
you must be preacknowledging
he must be preacknowledging
we must be preacknowledging
you must be preacknowledging
they must be preacknowledging	I must have preacknowledged
you must have preacknowledged
he must have preacknowledged
we must have preacknowledged
you must have preacknowledged
they must have preacknowledged	I must have been preacknowledging
you must have been preacknowledging
he must have been preacknowledging
we must have been preacknowledging
you must have been preacknowledging
they must have been preacknowledging	

Negazione 	
Forma semplice 	Forma con V-ing 	Perfetto 	Perfetto con V-ing 	
I must not preacknowledge
you must not preacknowledge
he must not preacknowledge
we must not preacknowledge
you must not preacknowledge
they must not preacknowledge 	I must not be preacknowledging
you must not be preacknowledging
he must not be preacknowledging
we must not be preacknowledging
you must not be preacknowledging
they must not be preacknowledging	I must not have preacknowledged
you must not have preacknowledged
he must not have preacknowledged
we must not have preacknowledged
you must not have preacknowledged
they must not have preacknowledged	I must not have been preacknowledging
you must not have been preacknowledging
he must not have been preacknowledging
we must not have been preacknowledging
you must not have been preacknowledging
they must not have been preacknowledging	

Forma interrogativa 	
Forma semplice 	Forma con V-ing 	Perfetto 	Perfetto con V-ing 	
must I preacknowledge?
must you preacknowledge?
must he preacknowledge?
must we preacknowledge?
must you preacknowledge?
must they preacknowledge? 	must I be preacknowledging?
must you be preacknowledging?
must he be preacknowledging?
must we be preacknowledging?
must you be preacknowledging?
must they be preacknowledging? 	must I have preacknowledged?
must you have preacknowledged?
must he have preacknowledged?
must we have preacknowledged?
must you have preacknowledged?
must they have preacknowledged? 	must I have been preacknowledging?
must you have been preacknowledging?
must he have been preacknowledging?
must we have been preacknowledging?
must you have been preacknowledging?
must they have been preacknowledging? 	

Forma interro-negativa 	
Forma semplice 	Forma con V-ing 	Perfetto 	Perfetto con V-ing 	
must I not preacknowledge?
must you not preacknowledge?
must he not preacknowledge?
must we not preacknowledge?
must you not preacknowledge?
must they not preacknowledge? 	must I not be preacknowledging?
must you not be preacknowledging?
must he not be preacknowledging?
must we not be preacknowledging?
must you not be preacknowledging?
must they not be preacknowledging? 	must I not have preacknowledged?
must you not have preacknowledged?
must he not have preacknowledged?
must we not have preacknowledged?
must you not have preacknowledged?
must they not have preacknowledged? 	must I not have been preacknowledging?
must you not have been preacknowledging?
must he not have been preacknowledging?
must we not have been preacknowledging?
must you not have been preacknowledging?
must they not have been preacknowledging?