should preinform
Regular verb: preinform - preinformed- preinformed

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I should preinform
you should preinform
she should preinform
we should preinform
you should preinform
they should preinform 	I should be preinforming
you should be preinforming
she should be preinforming
we should be preinforming
you should be preinforming
they should be preinforming	I should have preinformed
you should have preinformed
she should have preinformed
we should have preinformed
you should have preinformed
they should have preinformed	I should have been preinforming
you should have been preinforming
she should have been preinforming
we should have been preinforming
you should have been preinforming
they should have been preinforming	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I should not preinform
you should not preinform
she should not preinform
we should not preinform
you should not preinform
they should not preinform 	I should not be preinforming
you should not be preinforming
she should not be preinforming
we should not be preinforming
you should not be preinforming
they should not be preinforming	I should not have preinformed
you should not have preinformed
she should not have preinformed
we should not have preinformed
you should not have preinformed
they should not have preinformed	I should not have been preinforming
you should not have been preinforming
she should not have been preinforming
we should not have been preinforming
you should not have been preinforming
they should not have been preinforming	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
should I preinform?
should you preinform?
should she preinform?
should we preinform?
should you preinform?
should they preinform? 	should I be preinforming?
should you be preinforming?
should she be preinforming?
should we be preinforming?
should you be preinforming?
should they be preinforming? 	should I have preinformed?
should you have preinformed?
should she have preinformed?
should we have preinformed?
should you have preinformed?
should they have preinformed? 	should I have been preinforming?
should you have been preinforming?
should she have been preinforming?
should we have been preinforming?
should you have been preinforming?
should they have been preinforming? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
should I not preinform?
should you not preinform?
should she not preinform?
should we not preinform?
should you not preinform?
should they not preinform? 	should I not be preinforming?
should you not be preinforming?
should she not be preinforming?
should we not be preinforming?
should you not be preinforming?
should they not be preinforming? 	should I not have preinformed?
should you not have preinformed?
should she not have preinformed?
should we not have preinformed?
should you not have preinformed?
should they not have preinformed? 	should I not have been preinforming?
should you not have been preinforming?
should she not have been preinforming?
should we not have been preinforming?
should you not have been preinforming?
should they not have been preinforming?