can surfboard
Regular verb: surfboard - surfboarded- surfboarded

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I can surfboard
you can surfboard
she can surfboard
we can surfboard
you can surfboard
they can surfboard 	I can be surfboarding
you can be surfboarding
she can be surfboarding
we can be surfboarding
you can be surfboarding
they can be surfboarding	I can have surfboarded
you can have surfboarded
she can have surfboarded
we can have surfboarded
you can have surfboarded
they can have surfboarded	I can have been surfboarding
you can have been surfboarding
she can have been surfboarding
we can have been surfboarding
you can have been surfboarding
they can have been surfboarding	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I can't surfboard
you can't surfboard
she can't surfboard
we can't surfboard
you can't surfboard
they can't surfboard 	I can't be surfboarding
you can't be surfboarding
she can't be surfboarding
we can't be surfboarding
you can't be surfboarding
they can't be surfboarding	I can't have surfboarded
you can't have surfboarded
she can't have surfboarded
we can't have surfboarded
you can't have surfboarded
they can't have surfboarded	I can't have been surfboarding
you can't have been surfboarding
she can't have been surfboarding
we can't have been surfboarding
you can't have been surfboarding
they can't have been surfboarding	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
can I surfboard?
can you surfboard?
can she surfboard?
can we surfboard?
can you surfboard?
can they surfboard? 	can I be surfboarding?
can you be surfboarding?
can she be surfboarding?
can we be surfboarding?
can you be surfboarding?
can they be surfboarding? 	can I have surfboarded?
can you have surfboarded?
can she have surfboarded?
can we have surfboarded?
can you have surfboarded?
can they have surfboarded? 	can I have been surfboarding?
can you have been surfboarding?
can she have been surfboarding?
can we have been surfboarding?
can you have been surfboarding?
can they have been surfboarding? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
can't I surfboard?
can't you surfboard?
can't she surfboard?
can't we surfboard?
can't you surfboard?
can't they surfboard? 	can't I be surfboarding?
can't you be surfboarding?
can't she be surfboarding?
can't we be surfboarding?
can't you be surfboarding?
can't they be surfboarding? 	can't I have surfboarded?
can't you have surfboarded?
can't she have surfboarded?
can't we have surfboarded?
can't you have surfboarded?
can't they have surfboarded? 	can't I have been surfboarding?
can't you have been surfboarding?
can't she have been surfboarding?
can't we have been surfboarding?
can't you have been surfboarding?
can't they have been surfboarding?