may perish
Regular verb: perish - perished- perished

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I may perish
you may perish
she may perish
we may perish
you may perish
they may perish 	I may be perishing
you may be perishing
she may be perishing
we may be perishing
you may be perishing
they may be perishing	I may have perished
you may have perished
she may have perished
we may have perished
you may have perished
they may have perished	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 	V-ing form 	Perfect 	V-ing perfect 	
I mayn't perish
you mayn't perish
she mayn't perish
we mayn't perish
you mayn't perish
they mayn't perish 	I mayn't be perishing
you mayn't be perishing
she mayn't be perishing
we mayn't be perishing
you mayn't be perishing
they mayn't be perishing	I mayn't have perished
you mayn't have perished
she mayn't have perished
we mayn't have perished
you mayn't have perished
they mayn't have perished	I mayn't have been perishing
you mayn't have been perishing
she mayn't have been perishing
we mayn't have been perishing
you mayn't have been perishing
they mayn't have been perishing	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
may I perish?
may you perish?
may she perish?
may we perish?
may you perish?
may they perish? 	may I be perishing?
may you be perishing?
may she be perishing?
may we be perishing?
may you be perishing?
may they be perishing? 	may I have perished?
may you have perished?
may she have perished?
may we have perished?
may you have perished?
may they have perished? 	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 	V-ing form 	Perfect 	V-ing perfect 	
mayn't I perish?
mayn't you perish?
mayn't she perish?
mayn't we perish?
mayn't you perish?
mayn't they perish? 	mayn't I be perishing?
mayn't you be perishing?
mayn't she be perishing?
mayn't we be perishing?
mayn't you be perishing?
mayn't they be perishing? 	mayn't I have perished?
mayn't you have perished?
mayn't she have perished?
mayn't we have perished?
mayn't you have perished?
mayn't they have perished? 	mayn't I have been perishing?
mayn't you have been perishing?
mayn't she have been perishing?
mayn't we have been perishing?
mayn't you have been perishing?
mayn't they have been perishing?