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 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
Perfect	V-ing perfect
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
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
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?
Perfect	V-ing perfect
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?