English verb conjugation
MAY CREST

Regular verb: crest - crested - crested

Affirmation

Simple form	V-ing form
I may crest you may crest he may crest we may crest you may crest they may crest	I may be cresting you may be cresting he may be cresting we may be cresting you may be cresting they may be cresting
Perfect	V-ing perfect
I may have crested you may have crested he may have crested we may have crested you may have crested they may have crested	I may have been cresting you may have been cresting he may have been cresting we may have been cresting you may have been cresting they may have been cresting

Negation

Simple form	V-ing form
I may not crest you may not crest he may not crest we may not crest you may not crest they may not crest	I may not be cresting you may not be cresting he may not be cresting we may not be cresting you may not be cresting they may not be cresting
Perfect	V-ing perfect
I may not have crested you may not have crested he may not have crested we may not have crested you may not have crested they may not have crested	I may not have been cresting you may not have been cresting he may not have been cresting we may not have been cresting you may not have been cresting they may not have been cresting

Interrogative form

Simple form	V-ing form
may I crest? may you crest? may he crest? may we crest? may you crest? may they crest?	may I be cresting? may you be cresting? may he be cresting? may we be cresting? may you be cresting? may they be cresting?
Perfect	V-ing perfect
may I have crested? may you have crested? may he have crested? may we have crested? may you have crested? may they have crested?	may I have been cresting? may you have been cresting? may he have been cresting? may we have been cresting? may you have been cresting? may they have been cresting?

Interro-negative form

Simple form	V-ing form
may I not crest? may you not crest? may he not crest? may we not crest? may you not crest? may they not crest?	may I not be cresting? may you not be cresting? may he not be cresting? may we not be cresting? may you not be cresting? may they not be cresting?
Perfect	V-ing perfect
may I not have crested? may you not have crested? may he not have crested? may we not have crested? may you not have crested? may they not have crested?	may I not have been cresting? may you not have been cresting? may he not have been cresting? may we not have been cresting? may you not have been cresting? may they not have been cresting?