may fill
Regular verb: fill - filled- filled

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I may fill
you may fill
he may fill
we may fill
you may fill
they may fill 	I may be filling
you may be filling
he may be filling
we may be filling
you may be filling
they may be filling	I may have filled
you may have filled
he may have filled
we may have filled
you may have filled
they may have filled	I may have been filling
you may have been filling
he may have been filling
we may have been filling
you may have been filling
they may have been filling	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I may not fill
you may not fill
he may not fill
we may not fill
you may not fill
they may not fill 	I may not be filling
you may not be filling
he may not be filling
we may not be filling
you may not be filling
they may not be filling	I may not have filled
you may not have filled
he may not have filled
we may not have filled
you may not have filled
they may not have filled	I may not have been filling
you may not have been filling
he may not have been filling
we may not have been filling
you may not have been filling
they may not have been filling	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
may I fill?
may you fill?
may he fill?
may we fill?
may you fill?
may they fill? 	may I be filling?
may you be filling?
may he be filling?
may we be filling?
may you be filling?
may they be filling? 	may I have filled?
may you have filled?
may he have filled?
may we have filled?
may you have filled?
may they have filled? 	may I have been filling?
may you have been filling?
may he have been filling?
may we have been filling?
may you have been filling?
may they have been filling? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
may I not fill?
may you not fill?
may he not fill?
may we not fill?
may you not fill?
may they not fill? 	may I not be filling?
may you not be filling?
may he not be filling?
may we not be filling?
may you not be filling?
may they not be filling? 	may I not have filled?
may you not have filled?
may he not have filled?
may we not have filled?
may you not have filled?
may they not have filled? 	may I not have been filling?
may you not have been filling?
may he not have been filling?
may we not have been filling?
may you not have been filling?
may they not have been filling?