should surfboard
Regular verb: surfboard - surfboarded- surfboarded

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

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I should not surfboard
you should not surfboard
he should not surfboard
we should not surfboard
you should not surfboard
they should not surfboard 	I should not be surfboarding
you should not be surfboarding
he should not be surfboarding
we should not be surfboarding
you should not be surfboarding
they should not be surfboarding	I should not have surfboarded
you should not have surfboarded
he should not have surfboarded
we should not have surfboarded
you should not have surfboarded
they should not have surfboarded	I should not have been surfboarding
you should not have been surfboarding
he should not have been surfboarding
we should not have been surfboarding
you should not have been surfboarding
they should not have been surfboarding	

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

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
should I not surfboard?
should you not surfboard?
should he not surfboard?
should we not surfboard?
should you not surfboard?
should they not surfboard? 	should I not be surfboarding?
should you not be surfboarding?
should he not be surfboarding?
should we not be surfboarding?
should you not be surfboarding?
should they not be surfboarding? 	should I not have surfboarded?
should you not have surfboarded?
should he not have surfboarded?
should we not have surfboarded?
should you not have surfboarded?
should they not have surfboarded? 	should I not have been surfboarding?
should you not have been surfboarding?
should he not have been surfboarding?
should we not have been surfboarding?
should you not have been surfboarding?
should they not have been surfboarding?