English verb conjugation
MAY BACKFIRE

Regular verb: backfire - backfired - backfired

Affirmation

Simple form	V-ing form
I may backfire you may backfire he may backfire we may backfire you may backfire they may backfire	I may be backfiring you may be backfiring he 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 he 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 he 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 he 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 he 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 he 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 he 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 he backfire? may we backfire? may you backfire? may they backfire?	may I be backfiring? may you be backfiring? may he 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 he 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 he 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 he 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 he 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 he 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 he have been backfiring? mayn't we have been backfiring? mayn't you have been backfiring? mayn't they have been backfiring?