English verb conjugation
SHOULD SIGHTSEE

Regular verb: sightsee - sightseed - sightseed

Affirmation

Simple form	V-ing form
I should sightsee you should sightsee he should sightsee we should sightsee you should sightsee they should sightsee	I should be sightseeing you should be sightseeing he should be sightseeing we should be sightseeing you should be sightseeing they should be sightseeing
Perfect	V-ing perfect
I should have sightseed you should have sightseed he should have sightseed we should have sightseed you should have sightseed they should have sightseed	I should have been sightseeing you should have been sightseeing he should have been sightseeing we should have been sightseeing you should have been sightseeing they should have been sightseeing

Negation

Simple form	V-ing form
I should not sightsee you should not sightsee he should not sightsee we should not sightsee you should not sightsee they should not sightsee	I should not be sightseeing you should not be sightseeing he should not be sightseeing we should not be sightseeing you should not be sightseeing they should not be sightseeing
Perfect	V-ing perfect
I should not have sightseed you should not have sightseed he should not have sightseed we should not have sightseed you should not have sightseed they should not have sightseed	I should not have been sightseeing you should not have been sightseeing he should not have been sightseeing we should not have been sightseeing you should not have been sightseeing they should not have been sightseeing

Interrogative form

Simple form	V-ing form
should I sightsee? should you sightsee? should he sightsee? should we sightsee? should you sightsee? should they sightsee?	should I be sightseeing? should you be sightseeing? should he be sightseeing? should we be sightseeing? should you be sightseeing? should they be sightseeing?
Perfect	V-ing perfect
should I have sightseed? should you have sightseed? should he have sightseed? should we have sightseed? should you have sightseed? should they have sightseed?	should I have been sightseeing? should you have been sightseeing? should he have been sightseeing? should we have been sightseeing? should you have been sightseeing? should they have been sightseeing?

Interro-negative form

Simple form	V-ing form
should I not sightsee? should you not sightsee? should he not sightsee? should we not sightsee? should you not sightsee? should they not sightsee?	should I not be sightseeing? should you not be sightseeing? should he not be sightseeing? should we not be sightseeing? should you not be sightseeing? should they not be sightseeing?
Perfect	V-ing perfect
should I not have sightseed? should you not have sightseed? should he not have sightseed? should we not have sightseed? should you not have sightseed? should they not have sightseed?	should I not have been sightseeing? should you not have been sightseeing? should he not have been sightseeing? should we not have been sightseeing? should you not have been sightseeing? should they not have been sightseeing?