English verb conjugation
MAY BACKFIRE

Regular verb: backfire - backfired - backfired

Affirmation

Simple form	V-ing form
I may backfire you may backfire she may backfire we may backfire you may backfire they may backfire	I may be backfiring you may be backfiring she may be backfiring we may be backfiring you may be backfiring they may be backfiring
Perfect	V-ing perfect
I may have backfired you may have backfired she may have backfired we may have backfired you may have backfired they may have backfired	I may have been backfiring you may have been backfiring she may have been backfiring we may have been backfiring you may have been backfiring they may have been backfiring

Negation

Simple form	V-ing form
I mayn't backfire you mayn't backfire she mayn't backfire we mayn't backfire you mayn't backfire they mayn't backfire	I mayn't be backfiring you mayn't be backfiring she mayn't be backfiring we mayn't be backfiring you mayn't be backfiring they mayn't be backfiring
Perfect	V-ing perfect
I mayn't have backfired you mayn't have backfired she mayn't have backfired we mayn't have backfired you mayn't have backfired they mayn't have backfired	I mayn't have been backfiring you mayn't have been backfiring she mayn't have been backfiring we mayn't have been backfiring you mayn't have been backfiring they mayn't have been backfiring

Interrogative form

Simple form	V-ing form
may I backfire? may you backfire? may she backfire? may we backfire? may you backfire? may they backfire?	may I be backfiring? may you be backfiring? may she be backfiring? may we be backfiring? may you be backfiring? may they be backfiring?
Perfect	V-ing perfect
may I have backfired? may you have backfired? may she have backfired? may we have backfired? may you have backfired? may they have backfired?	may I have been backfiring? may you have been backfiring? may she have been backfiring? may we have been backfiring? may you have been backfiring? may they have been backfiring?

Interro-negative form

Simple form	V-ing form
mayn't I backfire? mayn't you backfire? mayn't she backfire? mayn't we backfire? mayn't you backfire? mayn't they backfire?	mayn't I be backfiring? mayn't you be backfiring? mayn't she be backfiring? mayn't we be backfiring? mayn't you be backfiring? mayn't they be backfiring?
Perfect	V-ing perfect
mayn't I have backfired? mayn't you have backfired? mayn't she have backfired? mayn't we have backfired? mayn't you have backfired? mayn't they have backfired?	mayn't I have been backfiring? mayn't you have been backfiring? mayn't she have been backfiring? mayn't we have been backfiring? mayn't you have been backfiring? mayn't they have been backfiring?