should insulate
Regular verb: insulate - insulated- insulated

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I should insulate
you should insulate
she should insulate
we should insulate
you should insulate
they should insulate 	I should be insulating
you should be insulating
she should be insulating
we should be insulating
you should be insulating
they should be insulating	I should have insulated
you should have insulated
she should have insulated
we should have insulated
you should have insulated
they should have insulated	I should have been insulating
you should have been insulating
she should have been insulating
we should have been insulating
you should have been insulating
they should have been insulating	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I should not insulate
you should not insulate
she should not insulate
we should not insulate
you should not insulate
they should not insulate 	I should not be insulating
you should not be insulating
she should not be insulating
we should not be insulating
you should not be insulating
they should not be insulating	I should not have insulated
you should not have insulated
she should not have insulated
we should not have insulated
you should not have insulated
they should not have insulated	I should not have been insulating
you should not have been insulating
she should not have been insulating
we should not have been insulating
you should not have been insulating
they should not have been insulating	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
should I insulate?
should you insulate?
should she insulate?
should we insulate?
should you insulate?
should they insulate? 	should I be insulating?
should you be insulating?
should she be insulating?
should we be insulating?
should you be insulating?
should they be insulating? 	should I have insulated?
should you have insulated?
should she have insulated?
should we have insulated?
should you have insulated?
should they have insulated? 	should I have been insulating?
should you have been insulating?
should she have been insulating?
should we have been insulating?
should you have been insulating?
should they have been insulating? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
should I not insulate?
should you not insulate?
should she not insulate?
should we not insulate?
should you not insulate?
should they not insulate? 	should I not be insulating?
should you not be insulating?
should she not be insulating?
should we not be insulating?
should you not be insulating?
should they not be insulating? 	should I not have insulated?
should you not have insulated?
should she not have insulated?
should we not have insulated?
should you not have insulated?
should they not have insulated? 	should I not have been insulating?
should you not have been insulating?
should she not have been insulating?
should we not have been insulating?
should you not have been insulating?
should they not have been insulating?