English verb conjugation
MAY STAPLE

Regular verb: staple - stapled - stapled

Affirmation

Simple form	V-ing form
I may staple you may staple she may staple we may staple you may staple they may staple	I may be stapling you may be stapling she may be stapling we may be stapling you may be stapling they may be stapling
Perfect	V-ing perfect
I may have stapled you may have stapled she may have stapled we may have stapled you may have stapled they may have stapled	I may have been stapling you may have been stapling she may have been stapling we may have been stapling you may have been stapling they may have been stapling

Negation

Simple form	V-ing form
I mayn't staple you mayn't staple she mayn't staple we mayn't staple you mayn't staple they mayn't staple	I mayn't be stapling you mayn't be stapling she mayn't be stapling we mayn't be stapling you mayn't be stapling they mayn't be stapling
Perfect	V-ing perfect
I mayn't have stapled you mayn't have stapled she mayn't have stapled we mayn't have stapled you mayn't have stapled they mayn't have stapled	I mayn't have been stapling you mayn't have been stapling she mayn't have been stapling we mayn't have been stapling you mayn't have been stapling they mayn't have been stapling

Interrogative form

Simple form	V-ing form
may I staple? may you staple? may she staple? may we staple? may you staple? may they staple?	may I be stapling? may you be stapling? may she be stapling? may we be stapling? may you be stapling? may they be stapling?
Perfect	V-ing perfect
may I have stapled? may you have stapled? may she have stapled? may we have stapled? may you have stapled? may they have stapled?	may I have been stapling? may you have been stapling? may she have been stapling? may we have been stapling? may you have been stapling? may they have been stapling?

Interro-negative form

Simple form	V-ing form
mayn't I staple? mayn't you staple? mayn't she staple? mayn't we staple? mayn't you staple? mayn't they staple?	mayn't I be stapling? mayn't you be stapling? mayn't she be stapling? mayn't we be stapling? mayn't you be stapling? mayn't they be stapling?
Perfect	V-ing perfect
mayn't I have stapled? mayn't you have stapled? mayn't she have stapled? mayn't we have stapled? mayn't you have stapled? mayn't they have stapled?	mayn't I have been stapling? mayn't you have been stapling? mayn't she have been stapling? mayn't we have been stapling? mayn't you have been stapling? mayn't they have been stapling?