I might sightsee you might sightsee he might sightsee we might sightsee you might sightsee they might sightsee
V-ing form
I might be sightseeing you might be sightseeing he might be sightseeing we might be sightseeing you might be sightseeing they might be sightseeing
Perfect
I might have sightseed you might have sightseed he might have sightseed we might have sightseed you might have sightseed they might have sightseed
V-ing perfect
I might have been sightseeing you might have been sightseeing he might have been sightseeing we might have been sightseeing you might have been sightseeing they might have been sightseeing
Negation
Simple form
I might not sightsee you might not sightsee he might not sightsee we might not sightsee you might not sightsee they might not sightsee
V-ing form
I might not be sightseeing you might not be sightseeing he might not be sightseeing we might not be sightseeing you might not be sightseeing they might not be sightseeing
Perfect
I might not have sightseed you might not have sightseed he might not have sightseed we might not have sightseed you might not have sightseed they might not have sightseed
V-ing perfect
I might not have been sightseeing you might not have been sightseeing he might not have been sightseeing we might not have been sightseeing you might not have been sightseeing they might not have been sightseeing
Interrogative form
Simple form
might I sightsee? might you sightsee? might he sightsee? might we sightsee? might you sightsee? might they sightsee?
V-ing form
might I be sightseeing? might you be sightseeing? might he be sightseeing? might we be sightseeing? might you be sightseeing? might they be sightseeing?
Perfect
might I have sightseed? might you have sightseed? might he have sightseed? might we have sightseed? might you have sightseed? might they have sightseed?
V-ing perfect
might I have been sightseeing? might you have been sightseeing? might he have been sightseeing? might we have been sightseeing? might you have been sightseeing? might they have been sightseeing?
Interro-negative form
Simple form
might I not sightsee? might you not sightsee? might he not sightsee? might we not sightsee? might you not sightsee? might they not sightsee?
V-ing form
might I not be sightseeing? might you not be sightseeing? might he not be sightseeing? might we not be sightseeing? might you not be sightseeing? might they not be sightseeing?
Perfect
might I not have sightseed? might you not have sightseed? might he not have sightseed? might we not have sightseed? might you not have sightseed? might they not have sightseed?
V-ing perfect
might I not have been sightseeing? might you not have been sightseeing? might he not have been sightseeing? might we not have been sightseeing? might you not have been sightseeing? might they not have been sightseeing?