should roister
Regular verb: roister - roistered- roistered

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I should roister
you should roister
he should roister
we should roister
you should roister
they should roister 	I should be roistering
you should be roistering
he should be roistering
we should be roistering
you should be roistering
they should be roistering	I should have roistered
you should have roistered
he should have roistered
we should have roistered
you should have roistered
they should have roistered	I should have been roistering
you should have been roistering
he should have been roistering
we should have been roistering
you should have been roistering
they should have been roistering	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I should not roister
you should not roister
he should not roister
we should not roister
you should not roister
they should not roister 	I should not be roistering
you should not be roistering
he should not be roistering
we should not be roistering
you should not be roistering
they should not be roistering	I should not have roistered
you should not have roistered
he should not have roistered
we should not have roistered
you should not have roistered
they should not have roistered	I should not have been roistering
you should not have been roistering
he should not have been roistering
we should not have been roistering
you should not have been roistering
they should not have been roistering	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
should I roister?
should you roister?
should he roister?
should we roister?
should you roister?
should they roister? 	should I be roistering?
should you be roistering?
should he be roistering?
should we be roistering?
should you be roistering?
should they be roistering? 	should I have roistered?
should you have roistered?
should he have roistered?
should we have roistered?
should you have roistered?
should they have roistered? 	should I have been roistering?
should you have been roistering?
should he have been roistering?
should we have been roistering?
should you have been roistering?
should they have been roistering? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
should I not roister?
should you not roister?
should he not roister?
should we not roister?
should you not roister?
should they not roister? 	should I not be roistering?
should you not be roistering?
should he not be roistering?
should we not be roistering?
should you not be roistering?
should they not be roistering? 	should I not have roistered?
should you not have roistered?
should he not have roistered?
should we not have roistered?
should you not have roistered?
should they not have roistered? 	should I not have been roistering?
should you not have been roistering?
should he not have been roistering?
should we not have been roistering?
should you not have been roistering?
should they not have been roistering?