English verb conjugation
OUGHT TO UNPILE

Regular verb: unpile - unpiled - unpiled

Affirmation

Simple form	V-ing form
I ought to unpile you ought to unpile she ought to unpile we ought to unpile you ought to unpile they ought to unpile	I ought to be unpiling you ought to be unpiling she ought to be unpiling we ought to be unpiling you ought to be unpiling they ought to be unpiling
Perfect	V-ing perfect
I ought to have unpiled you ought to have unpiled she ought to have unpiled we ought to have unpiled you ought to have unpiled they ought to have unpiled	I ought to have been unpiling you ought to have been unpiling she ought to have been unpiling we ought to have been unpiling you ought to have been unpiling they ought to have been unpiling

Negation

Simple form	V-ing form
I ought not to unpile you ought not to unpile she ought not to unpile we ought not to unpile you ought not to unpile they ought not to unpile	I ought not to unpiling you ought not to unpiling she ought not to unpiling we ought not to unpiling you ought not to unpiling they ought not to unpiling
Perfect	V-ing perfect
I ought not to have unpiled you ought not to have unpiled she ought not to have unpiled we ought not to have unpiled you ought not to have unpiled they ought not to have unpiled	I ought not to have been unpiling you ought not to have been unpiling she ought not to have been unpiling we ought not to have been unpiling you ought not to have been unpiling they ought not to have been unpiling

Interrogative form

Simple form	V-ing form
ought to I unpile? ought to you unpile? ought to she unpile? ought to we unpile? ought to you unpile? ought to they unpile?	ought to I be unpiling? ought to you be unpiling? ought to she be unpiling? ought to we be unpiling? ought to you be unpiling? ought to they be unpiling?
Perfect	V-ing perfect
ought to I have unpiled? ought to you have unpiled? ought to she have unpiled? ought to we have unpiled? ought to you have unpiled? ought to they have unpiled?	ought to I have been unpiling? ought to you have been unpiling? ought to she have been unpiling? ought to we have been unpiling? ought to you have been unpiling? ought to they have been unpiling?

Interro-negative form

Simple form	V-ing form
ought I not to unpile? ought you not to unpile? ought she not to unpile? ought we not to unpile? ought you not to unpile? ought they not to unpile?	ought I not to be unpiling? ought you not to be unpiling? ought she not to be unpiling? ought we not to be unpiling? ought you not to be unpiling? ought they not to be unpiling?
Perfect	V-ing perfect
ought I not to have unpiled? ought you not to have unpiled? ought she not to have unpiled? ought we not to have unpiled? ought you not to have unpiled? ought they not to have unpiled?	ought I not to have been unpiling? ought you not to have been unpiling? ought she not to have been unpiling? ought we not to have been unpiling? ought you not to have been unpiling? ought they not to have been unpiling?