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 he 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 he 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 he 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 he 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 oughtn't to sightsee you oughtn't to sightsee he oughtn't to sightsee we oughtn't to sightsee you oughtn't to sightsee they oughtn't to sightsee	I oughtn't to be sightseeing you oughtn't to be sightseeing he oughtn't to be sightseeing we oughtn't to be sightseeing you oughtn't to be sightseeing they oughtn't to be sightseeing
Perfect	V-ing perfect
I oughtn't to have sightseed you oughtn't to have sightseed he oughtn't to have sightseed we oughtn't to have sightseed you oughtn't to have sightseed they oughtn't to have sightseed	I oughtn't to have been sightseeing you oughtn't to have been sightseeing he oughtn't to have been sightseeing we oughtn't to have been sightseeing you oughtn't to have been sightseeing they oughtn't to have been sightseeing

Interrogative form

Simple form	V-ing form
ought to I sightsee? ought to you sightsee? ought to he 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 he 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 he 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 he 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
oughtn't I to sightsee? oughtn't you to sightsee? oughtn't he to sightsee? oughtn't we to sightsee? oughtn't you to sightsee? oughtn't they to sightsee?	oughtn't I to be sightseeing? oughtn't you to be sightseeing? oughtn't he to be sightseeing? oughtn't we to be sightseeing? oughtn't you to be sightseeing? oughtn't they to be sightseeing?
Perfect	V-ing perfect
oughtn't I to have sightseed? oughtn't you to have sightseed? oughtn't he to have sightseed? oughtn't we to have sightseed? oughtn't you to have sightseed? oughtn't they to have sightseed?	oughtn't I to have been sightseeing? oughtn't you to have been sightseeing? oughtn't he to have been sightseeing? oughtn't we to have been sightseeing? oughtn't you to have been sightseeing? oughtn't they to have been sightseeing?