may recertify
Regular verb: recertify - recertified- recertified

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I may recertify
you may recertify
she may recertify
we may recertify
you may recertify
they may recertify 	I may be recertifying
you may be recertifying
she may be recertifying
we may be recertifying
you may be recertifying
they may be recertifying	I may have recertified
you may have recertified
she may have recertified
we may have recertified
you may have recertified
they may have recertified	I may have been recertifying
you may have been recertifying
she may have been recertifying
we may have been recertifying
you may have been recertifying
they may have been recertifying	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I mayn't recertify
you mayn't recertify
she mayn't recertify
we mayn't recertify
you mayn't recertify
they mayn't recertify 	I mayn't be recertifying
you mayn't be recertifying
she mayn't be recertifying
we mayn't be recertifying
you mayn't be recertifying
they mayn't be recertifying	I mayn't have recertified
you mayn't have recertified
she mayn't have recertified
we mayn't have recertified
you mayn't have recertified
they mayn't have recertified	I mayn't have been recertifying
you mayn't have been recertifying
she mayn't have been recertifying
we mayn't have been recertifying
you mayn't have been recertifying
they mayn't have been recertifying	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
may I recertify?
may you recertify?
may she recertify?
may we recertify?
may you recertify?
may they recertify? 	may I be recertifying?
may you be recertifying?
may she be recertifying?
may we be recertifying?
may you be recertifying?
may they be recertifying? 	may I have recertified?
may you have recertified?
may she have recertified?
may we have recertified?
may you have recertified?
may they have recertified? 	may I have been recertifying?
may you have been recertifying?
may she have been recertifying?
may we have been recertifying?
may you have been recertifying?
may they have been recertifying? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
mayn't I recertify?
mayn't you recertify?
mayn't she recertify?
mayn't we recertify?
mayn't you recertify?
mayn't they recertify? 	mayn't I be recertifying?
mayn't you be recertifying?
mayn't she be recertifying?
mayn't we be recertifying?
mayn't you be recertifying?
mayn't they be recertifying? 	mayn't I have recertified?
mayn't you have recertified?
mayn't she have recertified?
mayn't we have recertified?
mayn't you have recertified?
mayn't they have recertified? 	mayn't I have been recertifying?
mayn't you have been recertifying?
mayn't she have been recertifying?
mayn't we have been recertifying?
mayn't you have been recertifying?
mayn't they have been recertifying?