English verb conjugation
OUGHT TO SIGHTSEE

Regular verb: sightsee - sightseed - sightseed

Affirmation

Simple form	V-ing form
I ought to sightsee you ought to sightsee she ought to sightsee we ought to sightsee you ought to sightsee they ought to sightsee	I ought to be sightseeing you ought to be sightseeing she ought to be sightseeing we ought to be sightseeing you ought to be sightseeing they ought to be sightseeing
Perfect	V-ing perfect
I ought to have sightseed you ought to have sightseed she ought to have sightseed we ought to have sightseed you ought to have sightseed they ought to have sightseed	I ought to have been sightseeing you ought to have been sightseeing she ought to have been sightseeing we ought to have been sightseeing you ought to have been sightseeing they ought to have been sightseeing

Negation

Simple form	V-ing form
I ought not to sightsee you ought not to sightsee she ought not to sightsee we ought not to sightsee you ought not to sightsee they ought not to sightsee	I ought not to sightseeing you ought not to sightseeing she ought not to sightseeing we ought not to sightseeing you ought not to sightseeing they ought not to sightseeing
Perfect	V-ing perfect
I ought not to have sightseed you ought not to have sightseed she ought not to have sightseed we ought not to have sightseed you ought not to have sightseed they ought not to have sightseed	I ought not to have been sightseeing you ought not to have been sightseeing she ought not to have been sightseeing we ought not to have been sightseeing you ought not to have been sightseeing they ought not to have been sightseeing

Interrogative form

Simple form	V-ing form
ought to I sightsee? ought to you sightsee? ought to she sightsee? ought to we sightsee? ought to you sightsee? ought to they sightsee?	ought to I be sightseeing? ought to you be sightseeing? ought to she be sightseeing? ought to we be sightseeing? ought to you be sightseeing? ought to they be sightseeing?
Perfect	V-ing perfect
ought to I have sightseed? ought to you have sightseed? ought to she have sightseed? ought to we have sightseed? ought to you have sightseed? ought to they have sightseed?	ought to I have been sightseeing? ought to you have been sightseeing? ought to she have been sightseeing? ought to we have been sightseeing? ought to you have been sightseeing? ought to they have been sightseeing?

Interro-negative form

Simple form	V-ing form
ought I not to sightsee? ought you not to sightsee? ought she not to sightsee? ought we not to sightsee? ought you not to sightsee? ought they not to sightsee?	ought I not to be sightseeing? ought you not to be sightseeing? ought she not to be sightseeing? ought we not to be sightseeing? ought you not to be sightseeing? ought they not to be sightseeing?
Perfect	V-ing perfect
ought I not to have sightseed? ought you not to have sightseed? ought she not to have sightseed? ought we not to have sightseed? ought you not to have sightseed? ought they not to have sightseed?	ought I not to have been sightseeing? ought you not to have been sightseeing? ought she not to have been sightseeing? ought we not to have been sightseeing? ought you not to have been sightseeing? ought they not to have been sightseeing?