I may perish you may perish she may perish we may perish you may perish they may perish
V-ing form
I may be perishing you may be perishing she may be perishing we may be perishing you may be perishing they may be perishing
Perfect
I may have perished you may have perished she may have perished we may have perished you may have perished they may have perished
V-ing perfect
I may have been perishing you may have been perishing she may have been perishing we may have been perishing you may have been perishing they may have been perishing
Negation
Simple form
I may not perish you may not perish she may not perish we may not perish you may not perish they may not perish
V-ing form
I may not be perishing you may not be perishing she may not be perishing we may not be perishing you may not be perishing they may not be perishing
Perfect
I may not have perished you may not have perished she may not have perished we may not have perished you may not have perished they may not have perished
V-ing perfect
I may not have been perishing you may not have been perishing she may not have been perishing we may not have been perishing you may not have been perishing they may not have been perishing
Interrogative form
Simple form
may I perish? may you perish? may she perish? may we perish? may you perish? may they perish?
V-ing form
may I be perishing? may you be perishing? may she be perishing? may we be perishing? may you be perishing? may they be perishing?
Perfect
may I have perished? may you have perished? may she have perished? may we have perished? may you have perished? may they have perished?
V-ing perfect
may I have been perishing? may you have been perishing? may she have been perishing? may we have been perishing? may you have been perishing? may they have been perishing?
Interro-negative form
Simple form
may I not perish? may you not perish? may she not perish? may we not perish? may you not perish? may they not perish?
V-ing form
may I not be perishing? may you not be perishing? may she not be perishing? may we not be perishing? may you not be perishing? may they not be perishing?
Perfect
may I not have perished? may you not have perished? may she not have perished? may we not have perished? may you not have perished? may they not have perished?
V-ing perfect
may I not have been perishing? may you not have been perishing? may she not have been perishing? may we not have been perishing? may you not have been perishing? may they not have been perishing?