shall skateboard
Regular verb: skateboard - skateboarded- skateboarded

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I shall skateboard
you shall skateboard
he shall skateboard
we shall skateboard
you shall skateboard
they shall skateboard 	I shall be skateboarding
you shall be skateboarding
he shall be skateboarding
we shall be skateboarding
you shall be skateboarding
they shall be skateboarding	I shall have skateboarded
you shall have skateboarded
he shall have skateboarded
we shall have skateboarded
you shall have skateboarded
they shall have skateboarded	I shall have been skateboarding
you shall have been skateboarding
he shall have been skateboarding
we shall have been skateboarding
you shall have been skateboarding
they shall have been skateboarding	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I shall not skateboard
you shall not skateboard
he shall not skateboard
we shall not skateboard
you shall not skateboard
they shall not skateboard 	I shall not be skateboarding
you shall not be skateboarding
he shall not be skateboarding
we shall not be skateboarding
you shall not be skateboarding
they shall not be skateboarding	I shall not have skateboarded
you shall not have skateboarded
he shall not have skateboarded
we shall not have skateboarded
you shall not have skateboarded
they shall not have skateboarded	I shall not have been skateboarding
you shall not have been skateboarding
he shall not have been skateboarding
we shall not have been skateboarding
you shall not have been skateboarding
they shall not have been skateboarding	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
shall I skateboard?
shall you skateboard?
shall he skateboard?
shall we skateboard?
shall you skateboard?
shall they skateboard? 	shall I be skateboarding?
shall you be skateboarding?
shall he be skateboarding?
shall we be skateboarding?
shall you be skateboarding?
shall they be skateboarding? 	shall I have skateboarded?
shall you have skateboarded?
shall he have skateboarded?
shall we have skateboarded?
shall you have skateboarded?
shall they have skateboarded? 	shall I have been skateboarding?
shall you have been skateboarding?
shall he have been skateboarding?
shall we have been skateboarding?
shall you have been skateboarding?
shall they have been skateboarding? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
shall I not skateboard?
shall you not skateboard?
shall he not skateboard?
shall we not skateboard?
shall you not skateboard?
shall they not skateboard? 	shall I not be skateboarding?
shall you not be skateboarding?
shall he not be skateboarding?
shall we not be skateboarding?
shall you not be skateboarding?
shall they not be skateboarding? 	shall I not have skateboarded?
shall you not have skateboarded?
shall he not have skateboarded?
shall we not have skateboarded?
shall you not have skateboarded?
shall they not have skateboarded? 	shall I not have been skateboarding?
shall you not have been skateboarding?
shall he not have been skateboarding?
shall we not have been skateboarding?
shall you not have been skateboarding?
shall they not have been skateboarding?