English verb conjugation
MAY SIGHTSEE

Regular verb: sightsee - sightseed - sightseed

Affirmation

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

Negation

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

Interrogative form

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

Interro-negative form

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