may fortify
Regular verb: fortify - fortified- fortified

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I may fortify
you may fortify
he may fortify
we may fortify
you may fortify
they may fortify 	I may be fortifying
you may be fortifying
he may be fortifying
we may be fortifying
you may be fortifying
they may be fortifying	I may have fortified
you may have fortified
he may have fortified
we may have fortified
you may have fortified
they may have fortified	I may have been fortifying
you may have been fortifying
he may have been fortifying
we may have been fortifying
you may have been fortifying
they may have been fortifying	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I may not fortify
you may not fortify
he may not fortify
we may not fortify
you may not fortify
they may not fortify 	I may not be fortifying
you may not be fortifying
he may not be fortifying
we may not be fortifying
you may not be fortifying
they may not be fortifying	I may not have fortified
you may not have fortified
he may not have fortified
we may not have fortified
you may not have fortified
they may not have fortified	I may not have been fortifying
you may not have been fortifying
he may not have been fortifying
we may not have been fortifying
you may not have been fortifying
they may not have been fortifying	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
may I fortify?
may you fortify?
may he fortify?
may we fortify?
may you fortify?
may they fortify? 	may I be fortifying?
may you be fortifying?
may he be fortifying?
may we be fortifying?
may you be fortifying?
may they be fortifying? 	may I have fortified?
may you have fortified?
may he have fortified?
may we have fortified?
may you have fortified?
may they have fortified? 	may I have been fortifying?
may you have been fortifying?
may he have been fortifying?
may we have been fortifying?
may you have been fortifying?
may they have been fortifying? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
may I not fortify?
may you not fortify?
may he not fortify?
may we not fortify?
may you not fortify?
may they not fortify? 	may I not be fortifying?
may you not be fortifying?
may he not be fortifying?
may we not be fortifying?
may you not be fortifying?
may they not be fortifying? 	may I not have fortified?
may you not have fortified?
may he not have fortified?
may we not have fortified?
may you not have fortified?
may they not have fortified? 	may I not have been fortifying?
may you not have been fortifying?
may he not have been fortifying?
may we not have been fortifying?
may you not have been fortifying?
may they not have been fortifying?