English verb conjugation
MAY GRIND

Irregular verb: grind - ground - ground

Affirmation

Simple form	V-ing form
I may grind you may grind she may grind we may grind you may grind they may grind	I may be grinding you may be grinding she may be grinding we may be grinding you may be grinding they may be grinding
Perfect	V-ing perfect
I may have ground you may have ground she may have ground we may have ground you may have ground they may have ground	I may have been grinding you may have been grinding she may have been grinding we may have been grinding you may have been grinding they may have been grinding

Negation

Simple form	V-ing form
I mayn't grind you mayn't grind she mayn't grind we mayn't grind you mayn't grind they mayn't grind	I mayn't be grinding you mayn't be grinding she mayn't be grinding we mayn't be grinding you mayn't be grinding they mayn't be grinding
Perfect	V-ing perfect
I mayn't have ground you mayn't have ground she mayn't have ground we mayn't have ground you mayn't have ground they mayn't have ground	I mayn't have been grinding you mayn't have been grinding she mayn't have been grinding we mayn't have been grinding you mayn't have been grinding they mayn't have been grinding

Interrogative form

Simple form	V-ing form
may I grind? may you grind? may she grind? may we grind? may you grind? may they grind?	may I be grinding? may you be grinding? may she be grinding? may we be grinding? may you be grinding? may they be grinding?
Perfect	V-ing perfect
may I have ground? may you have ground? may she have ground? may we have ground? may you have ground? may they have ground?	may I have been grinding? may you have been grinding? may she have been grinding? may we have been grinding? may you have been grinding? may they have been grinding?

Interro-negative form

Simple form	V-ing form
mayn't I grind? mayn't you grind? mayn't she grind? mayn't we grind? mayn't you grind? mayn't they grind?	mayn't I be grinding? mayn't you be grinding? mayn't she be grinding? mayn't we be grinding? mayn't you be grinding? mayn't they be grinding?
Perfect	V-ing perfect
mayn't I have ground? mayn't you have ground? mayn't she have ground? mayn't we have ground? mayn't you have ground? mayn't they have ground?	mayn't I have been grinding? mayn't you have been grinding? mayn't she have been grinding? mayn't we have been grinding? mayn't you have been grinding? mayn't they have been grinding?