I may shred you may shred he may shred we may shred you may shred they may shred
V-ing form
I may be shredding you may be shredding he may be shredding we may be shredding you may be shredding they may be shredding
Perfect
I may have shredded you may have shredded he may have shredded we may have shredded you may have shredded they may have shredded
V-ing perfect
I may have been shredding you may have been shredding he may have been shredding we may have been shredding you may have been shredding they may have been shredding
Negation
Simple form
I may not shred you may not shred he may not shred we may not shred you may not shred they may not shred
V-ing form
I may not be shredding you may not be shredding he may not be shredding we may not be shredding you may not be shredding they may not be shredding
Perfect
I may not have shredded you may not have shredded he may not have shredded we may not have shredded you may not have shredded they may not have shredded
V-ing perfect
I may not have been shredding you may not have been shredding he may not have been shredding we may not have been shredding you may not have been shredding they may not have been shredding
Interrogative form
Simple form
may I shred? may you shred? may he shred? may we shred? may you shred? may they shred?
V-ing form
may I be shredding? may you be shredding? may he be shredding? may we be shredding? may you be shredding? may they be shredding?
Perfect
may I have shredded? may you have shredded? may he have shredded? may we have shredded? may you have shredded? may they have shredded?
V-ing perfect
may I have been shredding? may you have been shredding? may he have been shredding? may we have been shredding? may you have been shredding? may they have been shredding?
Interro-negative form
Simple form
may I not shred? may you not shred? may he not shred? may we not shred? may you not shred? may they not shred?
V-ing form
may I not be shredding? may you not be shredding? may he not be shredding? may we not be shredding? may you not be shredding? may they not be shredding?
Perfect
may I not have shredded? may you not have shredded? may he not have shredded? may we not have shredded? may you not have shredded? may they not have shredded?
V-ing perfect
may I not have been shredding? may you not have been shredding? may he not have been shredding? may we not have been shredding? may you not have been shredding? may they not have been shredding?