should prefix
Regular verb: prefix - prefixed- prefixed

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I should prefix
you should prefix
she should prefix
we should prefix
you should prefix
they should prefix 	I should be prefixing
you should be prefixing
she should be prefixing
we should be prefixing
you should be prefixing
they should be prefixing	I should have prefixed
you should have prefixed
she should have prefixed
we should have prefixed
you should have prefixed
they should have prefixed	I should have been prefixing
you should have been prefixing
she should have been prefixing
we should have been prefixing
you should have been prefixing
they should have been prefixing	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I should not prefix
you should not prefix
she should not prefix
we should not prefix
you should not prefix
they should not prefix 	I should not be prefixing
you should not be prefixing
she should not be prefixing
we should not be prefixing
you should not be prefixing
they should not be prefixing	I should not have prefixed
you should not have prefixed
she should not have prefixed
we should not have prefixed
you should not have prefixed
they should not have prefixed	I should not have been prefixing
you should not have been prefixing
she should not have been prefixing
we should not have been prefixing
you should not have been prefixing
they should not have been prefixing	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
should I prefix?
should you prefix?
should she prefix?
should we prefix?
should you prefix?
should they prefix? 	should I be prefixing?
should you be prefixing?
should she be prefixing?
should we be prefixing?
should you be prefixing?
should they be prefixing? 	should I have prefixed?
should you have prefixed?
should she have prefixed?
should we have prefixed?
should you have prefixed?
should they have prefixed? 	should I have been prefixing?
should you have been prefixing?
should she have been prefixing?
should we have been prefixing?
should you have been prefixing?
should they have been prefixing? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
should I not prefix?
should you not prefix?
should she not prefix?
should we not prefix?
should you not prefix?
should they not prefix? 	should I not be prefixing?
should you not be prefixing?
should she not be prefixing?
should we not be prefixing?
should you not be prefixing?
should they not be prefixing? 	should I not have prefixed?
should you not have prefixed?
should she not have prefixed?
should we not have prefixed?
should you not have prefixed?
should they not have prefixed? 	should I not have been prefixing?
should you not have been prefixing?
should she not have been prefixing?
should we not have been prefixing?
should you not have been prefixing?
should they not have been prefixing?