can cool
Regular verb: cool - cooled- cooled

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

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I can't cool
you can't cool
she can't cool
we can't cool
you can't cool
they can't cool 	I can't be cooling
you can't be cooling
she can't be cooling
we can't be cooling
you can't be cooling
they can't be cooling	I can't have cooled
you can't have cooled
she can't have cooled
we can't have cooled
you can't have cooled
they can't have cooled	I can't have been cooling
you can't have been cooling
she can't have been cooling
we can't have been cooling
you can't have been cooling
they can't have been cooling	

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

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