English verb conjugation
MAY SKI

Regular verb: ski - skied - skied

Affirmation

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

Negation

Simple form	V-ing form
I may not ski you may not ski he may not ski we may not ski you may not ski they may not ski	I may not be skiing you may not be skiing he may not be skiing we may not be skiing you may not be skiing they may not be skiing
Perfect	V-ing perfect
I may not have skied you may not have skied he may not have skied we may not have skied you may not have skied they may not have skied	I may not have been skiing you may not have been skiing he may not have been skiing we may not have been skiing you may not have been skiing they may not have been skiing

Interrogative form

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

Interro-negative form

Simple form	V-ing form
may I not ski? may you not ski? may he not ski? may we not ski? may you not ski? may they not ski?	may I not be skiing? may you not be skiing? may he not be skiing? may we not be skiing? may you not be skiing? may they not be skiing?
Perfect	V-ing perfect
may I not have skied? may you not have skied? may he not have skied? may we not have skied? may you not have skied? may they not have skied?	may I not have been skiing? may you not have been skiing? may he not have been skiing? may we not have been skiing? may you not have been skiing? may they not have been skiing?