should stone
Verbo regular: stone - stoned- stoned

Afirmación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I should stone
you should stone
she should stone
we should stone
you should stone
they should stone 	I should be stoning
you should be stoning
she should be stoning
we should be stoning
you should be stoning
they should be stoning	I should have stoned
you should have stoned
she should have stoned
we should have stoned
you should have stoned
they should have stoned	I should have been stoning
you should have been stoning
she should have been stoning
we should have been stoning
you should have been stoning
they should have been stoning	

Negación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I should not stone
you should not stone
she should not stone
we should not stone
you should not stone
they should not stone 	I should not be stoning
you should not be stoning
she should not be stoning
we should not be stoning
you should not be stoning
they should not be stoning	I should not have stoned
you should not have stoned
she should not have stoned
we should not have stoned
you should not have stoned
they should not have stoned	I should not have been stoning
you should not have been stoning
she should not have been stoning
we should not have been stoning
you should not have been stoning
they should not have been stoning	

Forma interrogativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
should I stone?
should you stone?
should she stone?
should we stone?
should you stone?
should they stone? 	should I be stoning?
should you be stoning?
should she be stoning?
should we be stoning?
should you be stoning?
should they be stoning? 	should I have stoned?
should you have stoned?
should she have stoned?
should we have stoned?
should you have stoned?
should they have stoned? 	should I have been stoning?
should you have been stoning?
should she have been stoning?
should we have been stoning?
should you have been stoning?
should they have been stoning? 	

Forma interro-negativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
should I not stone?
should you not stone?
should she not stone?
should we not stone?
should you not stone?
should they not stone? 	should I not be stoning?
should you not be stoning?
should she not be stoning?
should we not be stoning?
should you not be stoning?
should they not be stoning? 	should I not have stoned?
should you not have stoned?
should she not have stoned?
should we not have stoned?
should you not have stoned?
should they not have stoned? 	should I not have been stoning?
should you not have been stoning?
should she not have been stoning?
should we not have been stoning?
should you not have been stoning?
should they not have been stoning?