I may undo you may undo he may undo we may undo you may undo they may undo
Forma com V-ing
I may be undoing you may be undoing he may be undoing we may be undoing you may be undoing they may be undoing
Perfeito
I may have undone you may have undone he may have undone we may have undone you may have undone they may have undone
Perfeito com V-ing
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
Negação
Forma simple
I may not undo you may not undo he may not undo we may not undo you may not undo they may not undo
Forma com V-ing
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
Perfeito
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
Perfeito com V-ing
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
Forma interrogativa
Forma simple
may I undo? may you undo? may he undo? may we undo? may you undo? may they undo?
Forma com V-ing
may I be undoing? may you be undoing? may he be undoing? may we be undoing? may you be undoing? may they be undoing?
Perfeito
may I have undone? may you have undone? may he have undone? may we have undone? may you have undone? may they have undone?
Perfeito com V-ing
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?
Forma interro-Negação
Forma simple
may I not undo? may you not undo? may he not undo? may we not undo? may you not undo? may they not undo?
Forma com V-ing
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?
Perfeito
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?
Perfeito com V-ing
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?