I may concertize you may concertize she may concertize we may concertize you may concertize they may concertize
V-ing form
I may be concertizing you may be concertizing she may be concertizing we may be concertizing you may be concertizing they may be concertizing
Perfect
I may have concertized you may have concertized she may have concertized we may have concertized you may have concertized they may have concertized
V-ing perfect
I may have been concertizing you may have been concertizing she may have been concertizing we may have been concertizing you may have been concertizing they may have been concertizing
Negation
Simple form
I may not concertize you may not concertize she may not concertize we may not concertize you may not concertize they may not concertize
V-ing form
I may not be concertizing you may not be concertizing she may not be concertizing we may not be concertizing you may not be concertizing they may not be concertizing
Perfect
I may not have concertized you may not have concertized she may not have concertized we may not have concertized you may not have concertized they may not have concertized
V-ing perfect
I may not have been concertizing you may not have been concertizing she may not have been concertizing we may not have been concertizing you may not have been concertizing they may not have been concertizing
Interrogative form
Simple form
may I concertize? may you concertize? may she concertize? may we concertize? may you concertize? may they concertize?
V-ing form
may I be concertizing? may you be concertizing? may she be concertizing? may we be concertizing? may you be concertizing? may they be concertizing?
Perfect
may I have concertized? may you have concertized? may she have concertized? may we have concertized? may you have concertized? may they have concertized?
V-ing perfect
may I have been concertizing? may you have been concertizing? may she have been concertizing? may we have been concertizing? may you have been concertizing? may they have been concertizing?
Interro-negative form
Simple form
may I not concertize? may you not concertize? may she not concertize? may we not concertize? may you not concertize? may they not concertize?
V-ing form
may I not be concertizing? may you not be concertizing? may she not be concertizing? may we not be concertizing? may you not be concertizing? may they not be concertizing?
Perfect
may I not have concertized? may you not have concertized? may she not have concertized? may we not have concertized? may you not have concertized? may they not have concertized?
V-ing perfect
may I not have been concertizing? may you not have been concertizing? may she not have been concertizing? may we not have been concertizing? may you not have been concertizing? may they not have been concertizing?