English verb conjugation
MAY SHEAF

Regular verb: sheaf - sheafed - sheafed

Affirmation

Simple form	V-ing form
I may sheaf you may sheaf she may sheaf we may sheaf you may sheaf they may sheaf	I may be sheafing you may be sheafing she may be sheafing we may be sheafing you may be sheafing they may be sheafing
Perfect	V-ing perfect
I may have sheafed you may have sheafed she may have sheafed we may have sheafed you may have sheafed they may have sheafed	I may have been sheafing you may have been sheafing she may have been sheafing we may have been sheafing you may have been sheafing they may have been sheafing

Negation

Simple form	V-ing form
I mayn't sheaf you mayn't sheaf she mayn't sheaf we mayn't sheaf you mayn't sheaf they mayn't sheaf	I mayn't be sheafing you mayn't be sheafing she mayn't be sheafing we mayn't be sheafing you mayn't be sheafing they mayn't be sheafing
Perfect	V-ing perfect
I mayn't have sheafed you mayn't have sheafed she mayn't have sheafed we mayn't have sheafed you mayn't have sheafed they mayn't have sheafed	I mayn't have been sheafing you mayn't have been sheafing she mayn't have been sheafing we mayn't have been sheafing you mayn't have been sheafing they mayn't have been sheafing

Interrogative form

Simple form	V-ing form
may I sheaf? may you sheaf? may she sheaf? may we sheaf? may you sheaf? may they sheaf?	may I be sheafing? may you be sheafing? may she be sheafing? may we be sheafing? may you be sheafing? may they be sheafing?
Perfect	V-ing perfect
may I have sheafed? may you have sheafed? may she have sheafed? may we have sheafed? may you have sheafed? may they have sheafed?	may I have been sheafing? may you have been sheafing? may she have been sheafing? may we have been sheafing? may you have been sheafing? may they have been sheafing?

Interro-negative form

Simple form	V-ing form
mayn't I sheaf? mayn't you sheaf? mayn't she sheaf? mayn't we sheaf? mayn't you sheaf? mayn't they sheaf?	mayn't I be sheafing? mayn't you be sheafing? mayn't she be sheafing? mayn't we be sheafing? mayn't you be sheafing? mayn't they be sheafing?
Perfect	V-ing perfect
mayn't I have sheafed? mayn't you have sheafed? mayn't she have sheafed? mayn't we have sheafed? mayn't you have sheafed? mayn't they have sheafed?	mayn't I have been sheafing? mayn't you have been sheafing? mayn't she have been sheafing? mayn't we have been sheafing? mayn't you have been sheafing? mayn't they have been sheafing?