English verb conjugation
MAY FRET

Regular verb: fret - fretted - fretted

Affirmation

Simple form	V-ing form
I may fret you may fret he may fret we may fret you may fret they may fret	I may be fretting you may be fretting he may be fretting we may be fretting you may be fretting they may be fretting
Perfect	V-ing perfect
I may have fretted you may have fretted he may have fretted we may have fretted you may have fretted they may have fretted	I may have been fretting you may have been fretting he may have been fretting we may have been fretting you may have been fretting they may have been fretting

Negation

Simple form	V-ing form
I may not fret you may not fret he may not fret we may not fret you may not fret they may not fret	I may not be fretting you may not be fretting he may not be fretting we may not be fretting you may not be fretting they may not be fretting
Perfect	V-ing perfect
I may not have fretted you may not have fretted he may not have fretted we may not have fretted you may not have fretted they may not have fretted	I may not have been fretting you may not have been fretting he may not have been fretting we may not have been fretting you may not have been fretting they may not have been fretting

Interrogative form

Simple form	V-ing form
may I fret? may you fret? may he fret? may we fret? may you fret? may they fret?	may I be fretting? may you be fretting? may he be fretting? may we be fretting? may you be fretting? may they be fretting?
Perfect	V-ing perfect
may I have fretted? may you have fretted? may he have fretted? may we have fretted? may you have fretted? may they have fretted?	may I have been fretting? may you have been fretting? may he have been fretting? may we have been fretting? may you have been fretting? may they have been fretting?

Interro-negative form

Simple form	V-ing form
may I not fret? may you not fret? may he not fret? may we not fret? may you not fret? may they not fret?	may I not be fretting? may you not be fretting? may he not be fretting? may we not be fretting? may you not be fretting? may they not be fretting?
Perfect	V-ing perfect
may I not have fretted? may you not have fretted? may he not have fretted? may we not have fretted? may you not have fretted? may they not have fretted?	may I not have been fretting? may you not have been fretting? may he not have been fretting? may we not have been fretting? may you not have been fretting? may they not have been fretting?