may petrify
Regular verb: petrify - petrified- petrified

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I may petrify
you may petrify
she may petrify
we may petrify
you may petrify
they may petrify 	I may be petrifying
you may be petrifying
she may be petrifying
we may be petrifying
you may be petrifying
they may be petrifying	I may have petrified
you may have petrified
she may have petrified
we may have petrified
you may have petrified
they may have petrified	I may have been petrifying
you may have been petrifying
she may have been petrifying
we may have been petrifying
you may have been petrifying
they may have been petrifying	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I mayn't petrify
you mayn't petrify
she mayn't petrify
we mayn't petrify
you mayn't petrify
they mayn't petrify 	I mayn't be petrifying
you mayn't be petrifying
she mayn't be petrifying
we mayn't be petrifying
you mayn't be petrifying
they mayn't be petrifying	I mayn't have petrified
you mayn't have petrified
she mayn't have petrified
we mayn't have petrified
you mayn't have petrified
they mayn't have petrified	I mayn't have been petrifying
you mayn't have been petrifying
she mayn't have been petrifying
we mayn't have been petrifying
you mayn't have been petrifying
they mayn't have been petrifying	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
may I petrify?
may you petrify?
may she petrify?
may we petrify?
may you petrify?
may they petrify? 	may I be petrifying?
may you be petrifying?
may she be petrifying?
may we be petrifying?
may you be petrifying?
may they be petrifying? 	may I have petrified?
may you have petrified?
may she have petrified?
may we have petrified?
may you have petrified?
may they have petrified? 	may I have been petrifying?
may you have been petrifying?
may she have been petrifying?
may we have been petrifying?
may you have been petrifying?
may they have been petrifying? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
mayn't I petrify?
mayn't you petrify?
mayn't she petrify?
mayn't we petrify?
mayn't you petrify?
mayn't they petrify? 	mayn't I be petrifying?
mayn't you be petrifying?
mayn't she be petrifying?
mayn't we be petrifying?
mayn't you be petrifying?
mayn't they be petrifying? 	mayn't I have petrified?
mayn't you have petrified?
mayn't she have petrified?
mayn't we have petrified?
mayn't you have petrified?
mayn't they have petrified? 	mayn't I have been petrifying?
mayn't you have been petrifying?
mayn't she have been petrifying?
mayn't we have been petrifying?
mayn't you have been petrifying?
mayn't they have been petrifying?