English verb conjugation
MAY SKATEBOARD

Regular verb: skateboard - skateboarded - skateboarded

Affirmation

Simple form	V-ing form
I may skateboard you may skateboard he may skateboard we may skateboard you may skateboard they may skateboard	I may be skateboarding you may be skateboarding he may be skateboarding we may be skateboarding you may be skateboarding they may be skateboarding
Perfect	V-ing perfect
I may have skateboarded you may have skateboarded he may have skateboarded we may have skateboarded you may have skateboarded they may have skateboarded	I may have been skateboarding you may have been skateboarding he may have been skateboarding we may have been skateboarding you may have been skateboarding they may have been skateboarding

Negation

Simple form	V-ing form
I mayn't skateboard you mayn't skateboard he mayn't skateboard we mayn't skateboard you mayn't skateboard they mayn't skateboard	I mayn't be skateboarding you mayn't be skateboarding he mayn't be skateboarding we mayn't be skateboarding you mayn't be skateboarding they mayn't be skateboarding
Perfect	V-ing perfect
I mayn't have skateboarded you mayn't have skateboarded he mayn't have skateboarded we mayn't have skateboarded you mayn't have skateboarded they mayn't have skateboarded	I mayn't have been skateboarding you mayn't have been skateboarding he mayn't have been skateboarding we mayn't have been skateboarding you mayn't have been skateboarding they mayn't have been skateboarding

Interrogative form

Simple form	V-ing form
may I skateboard? may you skateboard? may he skateboard? may we skateboard? may you skateboard? may they skateboard?	may I be skateboarding? may you be skateboarding? may he be skateboarding? may we be skateboarding? may you be skateboarding? may they be skateboarding?
Perfect	V-ing perfect
may I have skateboarded? may you have skateboarded? may he have skateboarded? may we have skateboarded? may you have skateboarded? may they have skateboarded?	may I have been skateboarding? may you have been skateboarding? may he have been skateboarding? may we have been skateboarding? may you have been skateboarding? may they have been skateboarding?

Interro-negative form

Simple form	V-ing form
mayn't I skateboard? mayn't you skateboard? mayn't he skateboard? mayn't we skateboard? mayn't you skateboard? mayn't they skateboard?	mayn't I be skateboarding? mayn't you be skateboarding? mayn't he be skateboarding? mayn't we be skateboarding? mayn't you be skateboarding? mayn't they be skateboarding?
Perfect	V-ing perfect
mayn't I have skateboarded? mayn't you have skateboarded? mayn't he have skateboarded? mayn't we have skateboarded? mayn't you have skateboarded? mayn't they have skateboarded?	mayn't I have been skateboarding? mayn't you have been skateboarding? mayn't he have been skateboarding? mayn't we have been skateboarding? mayn't you have been skateboarding? mayn't they have been skateboarding?