should jam
Regular verb: jam - jammed- jammed

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I should jam
you should jam
she should jam
we should jam
you should jam
they should jam 	I should be jamming
you should be jamming
she should be jamming
we should be jamming
you should be jamming
they should be jamming	I should have jammed
you should have jammed
she should have jammed
we should have jammed
you should have jammed
they should have jammed	I should have been jamming
you should have been jamming
she should have been jamming
we should have been jamming
you should have been jamming
they should have been jamming	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I should not jam
you should not jam
she should not jam
we should not jam
you should not jam
they should not jam 	I should not be jamming
you should not be jamming
she should not be jamming
we should not be jamming
you should not be jamming
they should not be jamming	I should not have jammed
you should not have jammed
she should not have jammed
we should not have jammed
you should not have jammed
they should not have jammed	I should not have been jamming
you should not have been jamming
she should not have been jamming
we should not have been jamming
you should not have been jamming
they should not have been jamming	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
should I jam?
should you jam?
should she jam?
should we jam?
should you jam?
should they jam? 	should I be jamming?
should you be jamming?
should she be jamming?
should we be jamming?
should you be jamming?
should they be jamming? 	should I have jammed?
should you have jammed?
should she have jammed?
should we have jammed?
should you have jammed?
should they have jammed? 	should I have been jamming?
should you have been jamming?
should she have been jamming?
should we have been jamming?
should you have been jamming?
should they have been jamming? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
should I not jam?
should you not jam?
should she not jam?
should we not jam?
should you not jam?
should they not jam? 	should I not be jamming?
should you not be jamming?
should she not be jamming?
should we not be jamming?
should you not be jamming?
should they not be jamming? 	should I not have jammed?
should you not have jammed?
should she not have jammed?
should we not have jammed?
should you not have jammed?
should they not have jammed? 	should I not have been jamming?
should you not have been jamming?
should she not have been jamming?
should we not have been jamming?
should you not have been jamming?
should they not have been jamming?