English verb conjugation
MAY CREASE

Regular verb: crease - creased - creased

Affirmation

Simple form	V-ing form
I may crease you may crease he may crease we may crease you may crease they may crease	I may be creasing you may be creasing he may be creasing we may be creasing you may be creasing they may be creasing
Perfect	V-ing perfect
I may have creased you may have creased he may have creased we may have creased you may have creased they may have creased	I may have been creasing you may have been creasing he may have been creasing we may have been creasing you may have been creasing they may have been creasing

Negation

Simple form	V-ing form
I mayn't crease you mayn't crease he mayn't crease we mayn't crease you mayn't crease they mayn't crease	I mayn't be creasing you mayn't be creasing he mayn't be creasing we mayn't be creasing you mayn't be creasing they mayn't be creasing
Perfect	V-ing perfect
I mayn't have creased you mayn't have creased he mayn't have creased we mayn't have creased you mayn't have creased they mayn't have creased	I mayn't have been creasing you mayn't have been creasing he mayn't have been creasing we mayn't have been creasing you mayn't have been creasing they mayn't have been creasing

Interrogative form

Simple form	V-ing form
may I crease? may you crease? may he crease? may we crease? may you crease? may they crease?	may I be creasing? may you be creasing? may he be creasing? may we be creasing? may you be creasing? may they be creasing?
Perfect	V-ing perfect
may I have creased? may you have creased? may he have creased? may we have creased? may you have creased? may they have creased?	may I have been creasing? may you have been creasing? may he have been creasing? may we have been creasing? may you have been creasing? may they have been creasing?

Interro-negative form

Simple form	V-ing form
mayn't I crease? mayn't you crease? mayn't he crease? mayn't we crease? mayn't you crease? mayn't they crease?	mayn't I be creasing? mayn't you be creasing? mayn't he be creasing? mayn't we be creasing? mayn't you be creasing? mayn't they be creasing?
Perfect	V-ing perfect
mayn't I have creased? mayn't you have creased? mayn't he have creased? mayn't we have creased? mayn't you have creased? mayn't they have creased?	mayn't I have been creasing? mayn't you have been creasing? mayn't he have been creasing? mayn't we have been creasing? mayn't you have been creasing? mayn't they have been creasing?