may cool
Regular verb: cool - cooled- cooled

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

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

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

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