may sail
Regular verb: sail - sailed- sailed

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I may sail
you may sail
he may sail
we may sail
you may sail
they may sail 	I may be sailing
you may be sailing
he may be sailing
we may be sailing
you may be sailing
they may be sailing	I may have sailed
you may have sailed
he may have sailed
we may have sailed
you may have sailed
they may have sailed	I may have been sailing
you may have been sailing
he may have been sailing
we may have been sailing
you may have been sailing
they may have been sailing	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I may not sail
you may not sail
he may not sail
we may not sail
you may not sail
they may not sail 	I may not be sailing
you may not be sailing
he may not be sailing
we may not be sailing
you may not be sailing
they may not be sailing	I may not have sailed
you may not have sailed
he may not have sailed
we may not have sailed
you may not have sailed
they may not have sailed	I may not have been sailing
you may not have been sailing
he may not have been sailing
we may not have been sailing
you may not have been sailing
they may not have been sailing	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
may I sail?
may you sail?
may he sail?
may we sail?
may you sail?
may they sail? 	may I be sailing?
may you be sailing?
may he be sailing?
may we be sailing?
may you be sailing?
may they be sailing? 	may I have sailed?
may you have sailed?
may he have sailed?
may we have sailed?
may you have sailed?
may they have sailed? 	may I have been sailing?
may you have been sailing?
may he have been sailing?
may we have been sailing?
may you have been sailing?
may they have been sailing? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
may I not sail?
may you not sail?
may he not sail?
may we not sail?
may you not sail?
may they not sail? 	may I not be sailing?
may you not be sailing?
may he not be sailing?
may we not be sailing?
may you not be sailing?
may they not be sailing? 	may I not have sailed?
may you not have sailed?
may he not have sailed?
may we not have sailed?
may you not have sailed?
may they not have sailed? 	may I not have been sailing?
may you not have been sailing?
may he not have been sailing?
may we not have been sailing?
may you not have been sailing?
may they not have been sailing?