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