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 may not undo you may not undo he may not undo we may not undo you may not undo they may not undo	I may not be undoing you may not be undoing he may not be undoing we may not be undoing you may not be undoing they may not be undoing
Perfect	V-ing perfect
I may not have undone you may not have undone he may not have undone we may not have undone you may not have undone they may not have undone	I may not have been undoing you may not have been undoing he may not have been undoing we may not have been undoing you may not have been undoing they may not 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
may I not undo? may you not undo? may he not undo? may we not undo? may you not undo? may they not undo?	may I not be undoing? may you not be undoing? may he not be undoing? may we not be undoing? may you not be undoing? may they not be undoing?
Perfect	V-ing perfect
may I not have undone? may you not have undone? may he not have undone? may we not have undone? may you not have undone? may they not have undone?	may I not have been undoing? may you not have been undoing? may he not have been undoing? may we not have been undoing? may you not have been undoing? may they not have been undoing?