may supererogate
Regular verb: supererogate - supererogated- supererogated

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I may supererogate
you may supererogate
he may supererogate
we may supererogate
you may supererogate
they may supererogate 	I may be supererogating
you may be supererogating
he may be supererogating
we may be supererogating
you may be supererogating
they may be supererogating	I may have supererogated
you may have supererogated
he may have supererogated
we may have supererogated
you may have supererogated
they may have supererogated	I may have been supererogating
you may have been supererogating
he may have been supererogating
we may have been supererogating
you may have been supererogating
they may have been supererogating	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I mayn't supererogate
you mayn't supererogate
he mayn't supererogate
we mayn't supererogate
you mayn't supererogate
they mayn't supererogate 	I mayn't be supererogating
you mayn't be supererogating
he mayn't be supererogating
we mayn't be supererogating
you mayn't be supererogating
they mayn't be supererogating	I mayn't have supererogated
you mayn't have supererogated
he mayn't have supererogated
we mayn't have supererogated
you mayn't have supererogated
they mayn't have supererogated	I mayn't have been supererogating
you mayn't have been supererogating
he mayn't have been supererogating
we mayn't have been supererogating
you mayn't have been supererogating
they mayn't have been supererogating	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
may I supererogate?
may you supererogate?
may he supererogate?
may we supererogate?
may you supererogate?
may they supererogate? 	may I be supererogating?
may you be supererogating?
may he be supererogating?
may we be supererogating?
may you be supererogating?
may they be supererogating? 	may I have supererogated?
may you have supererogated?
may he have supererogated?
may we have supererogated?
may you have supererogated?
may they have supererogated? 	may I have been supererogating?
may you have been supererogating?
may he have been supererogating?
may we have been supererogating?
may you have been supererogating?
may they have been supererogating? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
mayn't I supererogate?
mayn't you supererogate?
mayn't he supererogate?
mayn't we supererogate?
mayn't you supererogate?
mayn't they supererogate? 	mayn't I be supererogating?
mayn't you be supererogating?
mayn't he be supererogating?
mayn't we be supererogating?
mayn't you be supererogating?
mayn't they be supererogating? 	mayn't I have supererogated?
mayn't you have supererogated?
mayn't he have supererogated?
mayn't we have supererogated?
mayn't you have supererogated?
mayn't they have supererogated? 	mayn't I have been supererogating?
mayn't you have been supererogating?
mayn't he have been supererogating?
mayn't we have been supererogating?
mayn't you have been supererogating?
mayn't they have been supererogating?