English verb conjugation
MAY UNDO

Irregular verb: undo - undid - undone

Affirmation

Simple form	V-ing form
I may undo you may undo he may undo we may undo you may undo they may undo	I may be undoing you may be undoing he may be undoing we may be undoing you may be undoing they may be undoing
Perfect	V-ing perfect
I may have undone you may have undone he may have undone we may have undone you may have undone they may have undone	I may have been undoing you may have been undoing he may have been undoing we may have been undoing you may have been undoing they may have been undoing

Negation

Simple form	V-ing form
I mayn't undo you mayn't undo he mayn't undo we mayn't undo you mayn't undo they mayn't undo	I mayn't be undoing you mayn't be undoing he mayn't be undoing we mayn't be undoing you mayn't be undoing they mayn't be undoing
Perfect	V-ing perfect
I mayn't have undone you mayn't have undone he mayn't have undone we mayn't have undone you mayn't have undone they mayn't have undone	I mayn't have been undoing you mayn't have been undoing he mayn't have been undoing we mayn't have been undoing you mayn't have been undoing they mayn't have been undoing

Interrogative form

Simple form	V-ing form
may I undo? may you undo? may he undo? may we undo? may you undo? may they undo?	may I be undoing? may you be undoing? may he be undoing? may we be undoing? may you be undoing? may they be undoing?
Perfect	V-ing perfect
may I have undone? may you have undone? may he have undone? may we have undone? may you have undone? may they have undone?	may I have been undoing? may you have been undoing? may he have been undoing? may we have been undoing? may you have been undoing? may they have been undoing?

Interro-negative form

Simple form	V-ing form
mayn't I undo? mayn't you undo? mayn't he undo? mayn't we undo? mayn't you undo? mayn't they undo?	mayn't I be undoing? mayn't you be undoing? mayn't he be undoing? mayn't we be undoing? mayn't you be undoing? mayn't they be undoing?
Perfect	V-ing perfect
mayn't I have undone? mayn't you have undone? mayn't he have undone? mayn't we have undone? mayn't you have undone? mayn't they have undone?	mayn't I have been undoing? mayn't you have been undoing? mayn't he have been undoing? mayn't we have been undoing? mayn't you have been undoing? mayn't they have been undoing?