English verb conjugation
OUGHT TO BACKFIRE

Regular verb: backfire - backfired - backfired

Affirmation

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

Negation

Simple form	V-ing form
I ought not to backfire you ought not to backfire she ought not to backfire we ought not to backfire you ought not to backfire they ought not to backfire	I ought not to backfiring you ought not to backfiring she ought not to backfiring we ought not to backfiring you ought not to backfiring they ought not to backfiring
Perfect	V-ing perfect
I ought not to have backfired you ought not to have backfired she ought not to have backfired we ought not to have backfired you ought not to have backfired they ought not to have backfired	I ought not to have been backfiring you ought not to have been backfiring she ought not to have been backfiring we ought not to have been backfiring you ought not to have been backfiring they ought not to have been backfiring

Interrogative form

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

Interro-negative form

Simple form	V-ing form
ought I not to backfire? ought you not to backfire? ought she not to backfire? ought we not to backfire? ought you not to backfire? ought they not to backfire?	ought I not to be backfiring? ought you not to be backfiring? ought she not to be backfiring? ought we not to be backfiring? ought you not to be backfiring? ought they not to be backfiring?
Perfect	V-ing perfect
ought I not to have backfired? ought you not to have backfired? ought she not to have backfired? ought we not to have backfired? ought you not to have backfired? ought they not to have backfired?	ought I not to have been backfiring? ought you not to have been backfiring? ought she not to have been backfiring? ought we not to have been backfiring? ought you not to have been backfiring? ought they not to have been backfiring?