should stone
Regular verb: stone - stoned- stoned

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I should stone
you should stone
he should stone
we should stone
you should stone
they should stone 	I should be stoning
you should be stoning
he should be stoning
we should be stoning
you should be stoning
they should be stoning	I should have stoned
you should have stoned
he 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
he should have been stoning
we should have been stoning
you should have been stoning
they should have been stoning	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I should not stone
you should not stone
he 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
he 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
he 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
he should not have been stoning
we should not have been stoning
you should not have been stoning
they should not have been stoning	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
should I stone?
should you stone?
should he stone?
should we stone?
should you stone?
should they stone? 	should I be stoning?
should you be stoning?
should he be stoning?
should we be stoning?
should you be stoning?
should they be stoning? 	should I have stoned?
should you have stoned?
should he 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 he have been stoning?
should we have been stoning?
should you have been stoning?
should they have been stoning? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
should I not stone?
should you not stone?
should he 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 he 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 he 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 he not have been stoning?
should we not have been stoning?
should you not have been stoning?
should they not have been stoning?