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