English verb conjugation
MAY FILL

Regular verb: fill - filled - filled

Affirmation

Simple form	V-ing form
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
Perfect	V-ing perfect
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
I mayn't fill you mayn't fill he mayn't fill we mayn't fill you mayn't fill they mayn't fill	I mayn't be filling you mayn't be filling he mayn't be filling we mayn't be filling you mayn't be filling they mayn't be filling
Perfect	V-ing perfect
I mayn't have filled you mayn't have filled he mayn't have filled we mayn't have filled you mayn't have filled they mayn't have filled	I mayn't have been filling you mayn't have been filling he mayn't have been filling we mayn't have been filling you mayn't have been filling they mayn't have been filling

Interrogative form

Simple form	V-ing form
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?
Perfect	V-ing perfect
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
mayn't I fill? mayn't you fill? mayn't he fill? mayn't we fill? mayn't you fill? mayn't they fill?	mayn't I be filling? mayn't you be filling? mayn't he be filling? mayn't we be filling? mayn't you be filling? mayn't they be filling?
Perfect	V-ing perfect
mayn't I have filled? mayn't you have filled? mayn't he have filled? mayn't we have filled? mayn't you have filled? mayn't they have filled?	mayn't I have been filling? mayn't you have been filling? mayn't he have been filling? mayn't we have been filling? mayn't you have been filling? mayn't they have been filling?