may subserve
Regular verb: subserve - subserved- subserved

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I may subserve
you may subserve
he may subserve
we may subserve
you may subserve
they may subserve 	I may be subserving
you may be subserving
he may be subserving
we may be subserving
you may be subserving
they may be subserving	I may have subserved
you may have subserved
he may have subserved
we may have subserved
you may have subserved
they may have subserved	I may have been subserving
you may have been subserving
he may have been subserving
we may have been subserving
you may have been subserving
they may have been subserving	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I mayn't subserve
you mayn't subserve
he mayn't subserve
we mayn't subserve
you mayn't subserve
they mayn't subserve 	I mayn't be subserving
you mayn't be subserving
he mayn't be subserving
we mayn't be subserving
you mayn't be subserving
they mayn't be subserving	I mayn't have subserved
you mayn't have subserved
he mayn't have subserved
we mayn't have subserved
you mayn't have subserved
they mayn't have subserved	I mayn't have been subserving
you mayn't have been subserving
he mayn't have been subserving
we mayn't have been subserving
you mayn't have been subserving
they mayn't have been subserving	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
may I subserve?
may you subserve?
may he subserve?
may we subserve?
may you subserve?
may they subserve? 	may I be subserving?
may you be subserving?
may he be subserving?
may we be subserving?
may you be subserving?
may they be subserving? 	may I have subserved?
may you have subserved?
may he have subserved?
may we have subserved?
may you have subserved?
may they have subserved? 	may I have been subserving?
may you have been subserving?
may he have been subserving?
may we have been subserving?
may you have been subserving?
may they have been subserving? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
mayn't I subserve?
mayn't you subserve?
mayn't he subserve?
mayn't we subserve?
mayn't you subserve?
mayn't they subserve? 	mayn't I be subserving?
mayn't you be subserving?
mayn't he be subserving?
mayn't we be subserving?
mayn't you be subserving?
mayn't they be subserving? 	mayn't I have subserved?
mayn't you have subserved?
mayn't he have subserved?
mayn't we have subserved?
mayn't you have subserved?
mayn't they have subserved? 	mayn't I have been subserving?
mayn't you have been subserving?
mayn't he have been subserving?
mayn't we have been subserving?
mayn't you have been subserving?
mayn't they have been subserving?