may yowl
Regular verb: yowl - yowled- yowled

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I may yowl
you may yowl
he may yowl
we may yowl
you may yowl
they may yowl 	I may be yowling
you may be yowling
he may be yowling
we may be yowling
you may be yowling
they may be yowling	I may have yowled
you may have yowled
he may have yowled
we may have yowled
you may have yowled
they may have yowled	I may have been yowling
you may have been yowling
he may have been yowling
we may have been yowling
you may have been yowling
they may have been yowling	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I may not yowl
you may not yowl
he may not yowl
we may not yowl
you may not yowl
they may not yowl 	I may not be yowling
you may not be yowling
he may not be yowling
we may not be yowling
you may not be yowling
they may not be yowling	I may not have yowled
you may not have yowled
he may not have yowled
we may not have yowled
you may not have yowled
they may not have yowled	I may not have been yowling
you may not have been yowling
he may not have been yowling
we may not have been yowling
you may not have been yowling
they may not have been yowling	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
may I yowl?
may you yowl?
may he yowl?
may we yowl?
may you yowl?
may they yowl? 	may I be yowling?
may you be yowling?
may he be yowling?
may we be yowling?
may you be yowling?
may they be yowling? 	may I have yowled?
may you have yowled?
may he have yowled?
may we have yowled?
may you have yowled?
may they have yowled? 	may I have been yowling?
may you have been yowling?
may he have been yowling?
may we have been yowling?
may you have been yowling?
may they have been yowling? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
may I not yowl?
may you not yowl?
may he not yowl?
may we not yowl?
may you not yowl?
may they not yowl? 	may I not be yowling?
may you not be yowling?
may he not be yowling?
may we not be yowling?
may you not be yowling?
may they not be yowling? 	may I not have yowled?
may you not have yowled?
may he not have yowled?
may we not have yowled?
may you not have yowled?
may they not have yowled? 	may I not have been yowling?
may you not have been yowling?
may he not have been yowling?
may we not have been yowling?
may you not have been yowling?
may they not have been yowling?