English verb conjugation
MAY WATER-SKI

Regular verb: water-ski - water-skied - water-skied

Affirmation

Simple form	V-ing form
I may water-ski you may water-ski he may water-ski we may water-ski you may water-ski they may water-ski	I may be water-skiing you may be water-skiing he may be water-skiing we may be water-skiing you may be water-skiing they may be water-skiing
Perfect	V-ing perfect
I may have water-skied you may have water-skied he may have water-skied we may have water-skied you may have water-skied they may have water-skied	I may have been water-skiing you may have been water-skiing he may have been water-skiing we may have been water-skiing you may have been water-skiing they may have been water-skiing

Negation

Simple form	V-ing form
I mayn't water-ski you mayn't water-ski he mayn't water-ski we mayn't water-ski you mayn't water-ski they mayn't water-ski	I mayn't be water-skiing you mayn't be water-skiing he mayn't be water-skiing we mayn't be water-skiing you mayn't be water-skiing they mayn't be water-skiing
Perfect	V-ing perfect
I mayn't have water-skied you mayn't have water-skied he mayn't have water-skied we mayn't have water-skied you mayn't have water-skied they mayn't have water-skied	I mayn't have been water-skiing you mayn't have been water-skiing he mayn't have been water-skiing we mayn't have been water-skiing you mayn't have been water-skiing they mayn't have been water-skiing

Interrogative form

Simple form	V-ing form
may I water-ski? may you water-ski? may he water-ski? may we water-ski? may you water-ski? may they water-ski?	may I be water-skiing? may you be water-skiing? may he be water-skiing? may we be water-skiing? may you be water-skiing? may they be water-skiing?
Perfect	V-ing perfect
may I have water-skied? may you have water-skied? may he have water-skied? may we have water-skied? may you have water-skied? may they have water-skied?	may I have been water-skiing? may you have been water-skiing? may he have been water-skiing? may we have been water-skiing? may you have been water-skiing? may they have been water-skiing?

Interro-negative form

Simple form	V-ing form
mayn't I water-ski? mayn't you water-ski? mayn't he water-ski? mayn't we water-ski? mayn't you water-ski? mayn't they water-ski?	mayn't I be water-skiing? mayn't you be water-skiing? mayn't he be water-skiing? mayn't we be water-skiing? mayn't you be water-skiing? mayn't they be water-skiing?
Perfect	V-ing perfect
mayn't I have water-skied? mayn't you have water-skied? mayn't he have water-skied? mayn't we have water-skied? mayn't you have water-skied? mayn't they have water-skied?	mayn't I have been water-skiing? mayn't you have been water-skiing? mayn't he have been water-skiing? mayn't we have been water-skiing? mayn't you have been water-skiing? mayn't they have been water-skiing?