must ace
Verbo regolare: ace - aced- aced

Affermazione 	
Forma semplice 	Forma con V-ing 	Perfetto 	Perfetto con V-ing 	
I must ace
you must ace
he must ace
we must ace
you must ace
they must ace 	I must be acing
you must be acing
he must be acing
we must be acing
you must be acing
they must be acing	I must have aced
you must have aced
he must have aced
we must have aced
you must have aced
they must have aced	I must have been acing
you must have been acing
he must have been acing
we must have been acing
you must have been acing
they must have been acing	

Negazione 	
Forma semplice 	Forma con V-ing 	Perfetto 	Perfetto con V-ing 	
I mustn't ace
you mustn't ace
he mustn't ace
we mustn't ace
you mustn't ace
they mustn't ace 	I mustn't be acing
you mustn't be acing
he mustn't be acing
we mustn't be acing
you mustn't be acing
they mustn't be acing	I mustn't have aced
you mustn't have aced
he mustn't have aced
we mustn't have aced
you mustn't have aced
they mustn't have aced	I mustn't have been acing
you mustn't have been acing
he mustn't have been acing
we mustn't have been acing
you mustn't have been acing
they mustn't have been acing	

Forma interrogativa 	
Forma semplice 	Forma con V-ing 	Perfetto 	Perfetto con V-ing 	
must I ace?
must you ace?
must he ace?
must we ace?
must you ace?
must they ace? 	must I be acing?
must you be acing?
must he be acing?
must we be acing?
must you be acing?
must they be acing? 	must I have aced?
must you have aced?
must he have aced?
must we have aced?
must you have aced?
must they have aced? 	must I have been acing?
must you have been acing?
must he have been acing?
must we have been acing?
must you have been acing?
must they have been acing? 	

Forma interro-negativa 	
Forma semplice 	Forma con V-ing 	Perfetto 	Perfetto con V-ing 	
mustn't I ace?
mustn't you ace?
mustn't he ace?
mustn't we ace?
mustn't you ace?
mustn't they ace? 	mustn't I be acing?
mustn't you be acing?
mustn't he be acing?
mustn't we be acing?
mustn't you be acing?
mustn't they be acing? 	mustn't I have aced?
mustn't you have aced?
mustn't he have aced?
mustn't we have aced?
mustn't you have aced?
mustn't they have aced? 	mustn't I have been acing?
mustn't you have been acing?
mustn't he have been acing?
mustn't we have been acing?
mustn't you have been acing?
mustn't they have been acing?