should surfboard
Verbo regular: surfboard - surfboarded- surfboarded

Afirmación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I should surfboard
you should surfboard
she should surfboard
we should surfboard
you should surfboard
they should surfboard 	I should be surfboarding
you should be surfboarding
she should be surfboarding
we should be surfboarding
you should be surfboarding
they should be surfboarding	I should have surfboarded
you should have surfboarded
she 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
she should have been surfboarding
we should have been surfboarding
you should have been surfboarding
they should have been surfboarding	

Negación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I should not surfboard
you should not surfboard
she 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
she 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
she 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
she should not have been surfboarding
we should not have been surfboarding
you should not have been surfboarding
they should not have been surfboarding	

Forma interrogativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
should I surfboard?
should you surfboard?
should she surfboard?
should we surfboard?
should you surfboard?
should they surfboard? 	should I be surfboarding?
should you be surfboarding?
should she be surfboarding?
should we be surfboarding?
should you be surfboarding?
should they be surfboarding? 	should I have surfboarded?
should you have surfboarded?
should she 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 she have been surfboarding?
should we have been surfboarding?
should you have been surfboarding?
should they have been surfboarding? 	

Forma interro-negativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
should I not surfboard?
should you not surfboard?
should she 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 she 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 she 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 she not have been surfboarding?
should we not have been surfboarding?
should you not have been surfboarding?
should they not have been surfboarding?