must snowball
Verbo regolare: snowball - snowballed- snowballed

Affermazione 	
Forma semplice 	Forma con V-ing 	Perfetto 	Perfetto con V-ing 	
I must snowball
you must snowball
he must snowball
we must snowball
you must snowball
they must snowball 	I must be snowballing
you must be snowballing
he must be snowballing
we must be snowballing
you must be snowballing
they must be snowballing	I must have snowballed
you must have snowballed
he must have snowballed
we must have snowballed
you must have snowballed
they must have snowballed	I must have been snowballing
you must have been snowballing
he must have been snowballing
we must have been snowballing
you must have been snowballing
they must have been snowballing	

Negazione 	
Forma semplice 	Forma con V-ing 	Perfetto 	Perfetto con V-ing 	
I mustn't snowball
you mustn't snowball
he mustn't snowball
we mustn't snowball
you mustn't snowball
they mustn't snowball 	I mustn't be snowballing
you mustn't be snowballing
he mustn't be snowballing
we mustn't be snowballing
you mustn't be snowballing
they mustn't be snowballing	I mustn't have snowballed
you mustn't have snowballed
he mustn't have snowballed
we mustn't have snowballed
you mustn't have snowballed
they mustn't have snowballed	I mustn't have been snowballing
you mustn't have been snowballing
he mustn't have been snowballing
we mustn't have been snowballing
you mustn't have been snowballing
they mustn't have been snowballing	

Forma interrogativa 	
Forma semplice 	Forma con V-ing 	Perfetto 	Perfetto con V-ing 	
must I snowball?
must you snowball?
must he snowball?
must we snowball?
must you snowball?
must they snowball? 	must I be snowballing?
must you be snowballing?
must he be snowballing?
must we be snowballing?
must you be snowballing?
must they be snowballing? 	must I have snowballed?
must you have snowballed?
must he have snowballed?
must we have snowballed?
must you have snowballed?
must they have snowballed? 	must I have been snowballing?
must you have been snowballing?
must he have been snowballing?
must we have been snowballing?
must you have been snowballing?
must they have been snowballing? 	

Forma interro-negativa 	
Forma semplice 	Forma con V-ing 	Perfetto 	Perfetto con V-ing 	
mustn't I snowball?
mustn't you snowball?
mustn't he snowball?
mustn't we snowball?
mustn't you snowball?
mustn't they snowball? 	mustn't I be snowballing?
mustn't you be snowballing?
mustn't he be snowballing?
mustn't we be snowballing?
mustn't you be snowballing?
mustn't they be snowballing? 	mustn't I have snowballed?
mustn't you have snowballed?
mustn't he have snowballed?
mustn't we have snowballed?
mustn't you have snowballed?
mustn't they have snowballed? 	mustn't I have been snowballing?
mustn't you have been snowballing?
mustn't he have been snowballing?
mustn't we have been snowballing?
mustn't you have been snowballing?
mustn't they have been snowballing?