I may stretch you may stretch he may stretch we may stretch you may stretch they may stretch
V-ing form
I may be stretching you may be stretching he may be stretching we may be stretching you may be stretching they may be stretching
Perfect
I may have stretched you may have stretched he may have stretched we may have stretched you may have stretched they may have stretched
V-ing perfect
I may have been stretching you may have been stretching he may have been stretching we may have been stretching you may have been stretching they may have been stretching
Negation
Simple form
I may not stretch you may not stretch he may not stretch we may not stretch you may not stretch they may not stretch
V-ing form
I may not be stretching you may not be stretching he may not be stretching we may not be stretching you may not be stretching they may not be stretching
Perfect
I may not have stretched you may not have stretched he may not have stretched we may not have stretched you may not have stretched they may not have stretched
V-ing perfect
I may not have been stretching you may not have been stretching he may not have been stretching we may not have been stretching you may not have been stretching they may not have been stretching
Interrogative form
Simple form
may I stretch? may you stretch? may he stretch? may we stretch? may you stretch? may they stretch?
V-ing form
may I be stretching? may you be stretching? may he be stretching? may we be stretching? may you be stretching? may they be stretching?
Perfect
may I have stretched? may you have stretched? may he have stretched? may we have stretched? may you have stretched? may they have stretched?
V-ing perfect
may I have been stretching? may you have been stretching? may he have been stretching? may we have been stretching? may you have been stretching? may they have been stretching?
Interro-negative form
Simple form
may I not stretch? may you not stretch? may he not stretch? may we not stretch? may you not stretch? may they not stretch?
V-ing form
may I not be stretching? may you not be stretching? may he not be stretching? may we not be stretching? may you not be stretching? may they not be stretching?
Perfect
may I not have stretched? may you not have stretched? may he not have stretched? may we not have stretched? may you not have stretched? may they not have stretched?
V-ing perfect
may I not have been stretching? may you not have been stretching? may he not have been stretching? may we not have been stretching? may you not have been stretching? may they not have been stretching?