English verb conjugation
MAY SHEAF

Regular verb: sheaf - sheafed - sheafed

Affirmation

Simple form	V-ing form
I may sheaf you may sheaf he may sheaf we may sheaf you may sheaf they may sheaf	I may be sheafing you may be sheafing he 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 he 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 he 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 he 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 he 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 he 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 he 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 he sheaf? may we sheaf? may you sheaf? may they sheaf?	may I be sheafing? may you be sheafing? may he 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 he 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 he 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 he 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 he 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 he 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 he have been sheafing? mayn't we have been sheafing? mayn't you have been sheafing? mayn't they have been sheafing?