shall snowball
Regular verb: snowball - snowballed- snowballed

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I shall snowball
you shall snowball
she shall snowball
we shall snowball
you shall snowball
they shall snowball 	I shall be snowballing
you shall be snowballing
she shall be snowballing
we shall be snowballing
you shall be snowballing
they shall be snowballing	I shall have snowballed
you shall have snowballed
she shall have snowballed
we shall have snowballed
you shall have snowballed
they shall have snowballed	I shall have been snowballing
you shall have been snowballing
she shall have been snowballing
we shall have been snowballing
you shall have been snowballing
they shall have been snowballing	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I shall not snowball
you shall not snowball
she shall not snowball
we shall not snowball
you shall not snowball
they shall not snowball 	I shall not be snowballing
you shall not be snowballing
she shall not be snowballing
we shall not be snowballing
you shall not be snowballing
they shall not be snowballing	I shall not have snowballed
you shall not have snowballed
she shall not have snowballed
we shall not have snowballed
you shall not have snowballed
they shall not have snowballed	I shall not have been snowballing
you shall not have been snowballing
she shall not have been snowballing
we shall not have been snowballing
you shall not have been snowballing
they shall not have been snowballing	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
shall I snowball?
shall you snowball?
shall she snowball?
shall we snowball?
shall you snowball?
shall they snowball? 	shall I be snowballing?
shall you be snowballing?
shall she be snowballing?
shall we be snowballing?
shall you be snowballing?
shall they be snowballing? 	shall I have snowballed?
shall you have snowballed?
shall she have snowballed?
shall we have snowballed?
shall you have snowballed?
shall they have snowballed? 	shall I have been snowballing?
shall you have been snowballing?
shall she have been snowballing?
shall we have been snowballing?
shall you have been snowballing?
shall they have been snowballing? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
shall I not snowball?
shall you not snowball?
shall she not snowball?
shall we not snowball?
shall you not snowball?
shall they not snowball? 	shall I not be snowballing?
shall you not be snowballing?
shall she not be snowballing?
shall we not be snowballing?
shall you not be snowballing?
shall they not be snowballing? 	shall I not have snowballed?
shall you not have snowballed?
shall she not have snowballed?
shall we not have snowballed?
shall you not have snowballed?
shall they not have snowballed? 	shall I not have been snowballing?
shall you not have been snowballing?
shall she not have been snowballing?
shall we not have been snowballing?
shall you not have been snowballing?
shall they not have been snowballing?