English verb conjugation
MAY EXPIRE

Regular verb: expire - expired - expired

Affirmation

Simple form	V-ing form
I may expire you may expire he may expire we may expire you may expire they may expire	I may be expiring you may be expiring he may be expiring we may be expiring you may be expiring they may be expiring
Perfect	V-ing perfect
I may have expired you may have expired he may have expired we may have expired you may have expired they may have expired	I may have been expiring you may have been expiring he may have been expiring we may have been expiring you may have been expiring they may have been expiring

Negation

Simple form	V-ing form
I may not expire you may not expire he may not expire we may not expire you may not expire they may not expire	I may not be expiring you may not be expiring he may not be expiring we may not be expiring you may not be expiring they may not be expiring
Perfect	V-ing perfect
I may not have expired you may not have expired he may not have expired we may not have expired you may not have expired they may not have expired	I may not have been expiring you may not have been expiring he may not have been expiring we may not have been expiring you may not have been expiring they may not have been expiring

Interrogative form

Simple form	V-ing form
may I expire? may you expire? may he expire? may we expire? may you expire? may they expire?	may I be expiring? may you be expiring? may he be expiring? may we be expiring? may you be expiring? may they be expiring?
Perfect	V-ing perfect
may I have expired? may you have expired? may he have expired? may we have expired? may you have expired? may they have expired?	may I have been expiring? may you have been expiring? may he have been expiring? may we have been expiring? may you have been expiring? may they have been expiring?

Interro-negative form

Simple form	V-ing form
may I not expire? may you not expire? may he not expire? may we not expire? may you not expire? may they not expire?	may I not be expiring? may you not be expiring? may he not be expiring? may we not be expiring? may you not be expiring? may they not be expiring?
Perfect	V-ing perfect
may I not have expired? may you not have expired? may he not have expired? may we not have expired? may you not have expired? may they not have expired?	may I not have been expiring? may you not have been expiring? may he not have been expiring? may we not have been expiring? may you not have been expiring? may they not have been expiring?