English verb conjugation
MAY SAIL

Regular verb: sail - sailed - sailed

Affirmation

Simple form	V-ing form
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
Perfect	V-ing perfect
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
I mayn't sail you mayn't sail he mayn't sail we mayn't sail you mayn't sail they mayn't sail	I mayn't be sailing you mayn't be sailing he mayn't be sailing we mayn't be sailing you mayn't be sailing they mayn't be sailing
Perfect	V-ing perfect
I mayn't have sailed you mayn't have sailed he mayn't have sailed we mayn't have sailed you mayn't have sailed they mayn't have sailed	I mayn't have been sailing you mayn't have been sailing he mayn't have been sailing we mayn't have been sailing you mayn't have been sailing they mayn't have been sailing

Interrogative form

Simple form	V-ing form
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?
Perfect	V-ing perfect
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
mayn't I sail? mayn't you sail? mayn't he sail? mayn't we sail? mayn't you sail? mayn't they sail?	mayn't I be sailing? mayn't you be sailing? mayn't he be sailing? mayn't we be sailing? mayn't you be sailing? mayn't they be sailing?
Perfect	V-ing perfect
mayn't I have sailed? mayn't you have sailed? mayn't he have sailed? mayn't we have sailed? mayn't you have sailed? mayn't they have sailed?	mayn't I have been sailing? mayn't you have been sailing? mayn't he have been sailing? mayn't we have been sailing? mayn't you have been sailing? mayn't they have been sailing?