must snowball
Verbe régulier : snowball - snowballed- snowballed
Traduction française : bombarder de boules de neige - faire boule de neige 

Affirmation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I must snowball
you must snowball
she must snowball
we must snowball
you must snowball
they must snowball 	I must be snowballing
you must be snowballing
she must be snowballing
we must be snowballing
you must be snowballing
they must be snowballing	I must have snowballed
you must have snowballed
she 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
she must have been snowballing
we must have been snowballing
you must have been snowballing
they must have been snowballing	

Négation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I must not snowball
you must not snowball
she must not snowball
we must not snowball
you must not snowball
they must not snowball 	I must not be snowballing
you must not be snowballing
she must not be snowballing
we must not be snowballing
you must not be snowballing
they must not be snowballing	I must not have snowballed
you must not have snowballed
she must not have snowballed
we must not have snowballed
you must not have snowballed
they must not have snowballed	I must not have been snowballing
you must not have been snowballing
she must not have been snowballing
we must not have been snowballing
you must not have been snowballing
they must not have been snowballing	

Forme interrogative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
must I snowball?
must you snowball?
must she snowball?
must we snowball?
must you snowball?
must they snowball? 	must I be snowballing?
must you be snowballing?
must she be snowballing?
must we be snowballing?
must you be snowballing?
must they be snowballing? 	must I have snowballed?
must you have snowballed?
must she 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 she have been snowballing?
must we have been snowballing?
must you have been snowballing?
must they have been snowballing? 	

Forme interro-négative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
must I not snowball?
must you not snowball?
must she not snowball?
must we not snowball?
must you not snowball?
must they not snowball? 	must I not be snowballing?
must you not be snowballing?
must she not be snowballing?
must we not be snowballing?
must you not be snowballing?
must they not be snowballing? 	must I not have snowballed?
must you not have snowballed?
must she not have snowballed?
must we not have snowballed?
must you not have snowballed?
must they not have snowballed? 	must I not have been snowballing?
must you not have been snowballing?
must she not have been snowballing?
must we not have been snowballing?
must you not have been snowballing?
must they not have been snowballing?