English verb conjugation
MAY BACKFIT

Irregular verb: backfit - backfit, backfitted - backfit, backfitted

Affirmation

Simple form	V-ing form
I may backfit you may backfit she may backfit we may backfit you may backfit they may backfit	I may be backfiting you may be backfiting she may be backfiting we may be backfiting you may be backfiting they may be backfiting
Perfect	V-ing perfect
I may have backfit, backfitted you may have backfit, backfitted she may have backfit, backfitted we may have backfit, backfitted you may have backfit, backfitted they may have backfit, backfitted	I may have been backfiting you may have been backfiting she may have been backfiting we may have been backfiting you may have been backfiting they may have been backfiting

Negation

Simple form	V-ing form
I mayn't backfit you mayn't backfit she mayn't backfit we mayn't backfit you mayn't backfit they mayn't backfit	I mayn't be backfiting you mayn't be backfiting she mayn't be backfiting we mayn't be backfiting you mayn't be backfiting they mayn't be backfiting
Perfect	V-ing perfect
I mayn't have backfit, backfitted you mayn't have backfit, backfitted she mayn't have backfit, backfitted we mayn't have backfit, backfitted you mayn't have backfit, backfitted they mayn't have backfit, backfitted	I mayn't have been backfiting you mayn't have been backfiting she mayn't have been backfiting we mayn't have been backfiting you mayn't have been backfiting they mayn't have been backfiting

Interrogative form

Simple form	V-ing form
may I backfit? may you backfit? may she backfit? may we backfit? may you backfit? may they backfit?	may I be backfiting? may you be backfiting? may she be backfiting? may we be backfiting? may you be backfiting? may they be backfiting?
Perfect	V-ing perfect
may I have backfit, backfitted? may you have backfit, backfitted? may she have backfit, backfitted? may we have backfit, backfitted? may you have backfit, backfitted? may they have backfit, backfitted?	may I have been backfiting? may you have been backfiting? may she have been backfiting? may we have been backfiting? may you have been backfiting? may they have been backfiting?

Interro-negative form

Simple form	V-ing form
mayn't I backfit? mayn't you backfit? mayn't she backfit? mayn't we backfit? mayn't you backfit? mayn't they backfit?	mayn't I be backfiting? mayn't you be backfiting? mayn't she be backfiting? mayn't we be backfiting? mayn't you be backfiting? mayn't they be backfiting?
Perfect	V-ing perfect
mayn't I have backfit, backfitted? mayn't you have backfit, backfitted? mayn't she have backfit, backfitted? mayn't we have backfit, backfitted? mayn't you have backfit, backfitted? mayn't they have backfit, backfitted?	mayn't I have been backfiting? mayn't you have been backfiting? mayn't she have been backfiting? mayn't we have been backfiting? mayn't you have been backfiting? mayn't they have been backfiting?