should cool
Regular verb: cool - cooled- cooled

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I should cool
you should cool
she should cool
we should cool
you should cool
they should cool 	I should be cooling
you should be cooling
she should be cooling
we should be cooling
you should be cooling
they should be cooling	I should have cooled
you should have cooled
she should have cooled
we should have cooled
you should have cooled
they should have cooled	I should have been cooling
you should have been cooling
she should have been cooling
we should have been cooling
you should have been cooling
they should have been cooling	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I should not cool
you should not cool
she should not cool
we should not cool
you should not cool
they should not cool 	I should not be cooling
you should not be cooling
she should not be cooling
we should not be cooling
you should not be cooling
they should not be cooling	I should not have cooled
you should not have cooled
she should not have cooled
we should not have cooled
you should not have cooled
they should not have cooled	I should not have been cooling
you should not have been cooling
she should not have been cooling
we should not have been cooling
you should not have been cooling
they should not have been cooling	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
should I cool?
should you cool?
should she cool?
should we cool?
should you cool?
should they cool? 	should I be cooling?
should you be cooling?
should she be cooling?
should we be cooling?
should you be cooling?
should they be cooling? 	should I have cooled?
should you have cooled?
should she have cooled?
should we have cooled?
should you have cooled?
should they have cooled? 	should I have been cooling?
should you have been cooling?
should she have been cooling?
should we have been cooling?
should you have been cooling?
should they have been cooling? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
should I not cool?
should you not cool?
should she not cool?
should we not cool?
should you not cool?
should they not cool? 	should I not be cooling?
should you not be cooling?
should she not be cooling?
should we not be cooling?
should you not be cooling?
should they not be cooling? 	should I not have cooled?
should you not have cooled?
should she not have cooled?
should we not have cooled?
should you not have cooled?
should they not have cooled? 	should I not have been cooling?
should you not have been cooling?
should she not have been cooling?
should we not have been cooling?
should you not have been cooling?
should they not have been cooling?