I may diphthongize you may diphthongize she may diphthongize we may diphthongize you may diphthongize they may diphthongize
V-ing form
I may be diphthongizing you may be diphthongizing she may be diphthongizing we may be diphthongizing you may be diphthongizing they may be diphthongizing
Perfect
I may have diphthongized you may have diphthongized she may have diphthongized we may have diphthongized you may have diphthongized they may have diphthongized
V-ing perfect
I may have been diphthongizing you may have been diphthongizing she may have been diphthongizing we may have been diphthongizing you may have been diphthongizing they may have been diphthongizing
Negation
Simple form
I may not diphthongize you may not diphthongize she may not diphthongize we may not diphthongize you may not diphthongize they may not diphthongize
V-ing form
I may not be diphthongizing you may not be diphthongizing she may not be diphthongizing we may not be diphthongizing you may not be diphthongizing they may not be diphthongizing
Perfect
I may not have diphthongized you may not have diphthongized she may not have diphthongized we may not have diphthongized you may not have diphthongized they may not have diphthongized
V-ing perfect
I may not have been diphthongizing you may not have been diphthongizing she may not have been diphthongizing we may not have been diphthongizing you may not have been diphthongizing they may not have been diphthongizing
Interrogative form
Simple form
may I diphthongize? may you diphthongize? may she diphthongize? may we diphthongize? may you diphthongize? may they diphthongize?
V-ing form
may I be diphthongizing? may you be diphthongizing? may she be diphthongizing? may we be diphthongizing? may you be diphthongizing? may they be diphthongizing?
Perfect
may I have diphthongized? may you have diphthongized? may she have diphthongized? may we have diphthongized? may you have diphthongized? may they have diphthongized?
V-ing perfect
may I have been diphthongizing? may you have been diphthongizing? may she have been diphthongizing? may we have been diphthongizing? may you have been diphthongizing? may they have been diphthongizing?
Interro-negative form
Simple form
may I not diphthongize? may you not diphthongize? may she not diphthongize? may we not diphthongize? may you not diphthongize? may they not diphthongize?
V-ing form
may I not be diphthongizing? may you not be diphthongizing? may she not be diphthongizing? may we not be diphthongizing? may you not be diphthongizing? may they not be diphthongizing?
Perfect
may I not have diphthongized? may you not have diphthongized? may she not have diphthongized? may we not have diphthongized? may you not have diphthongized? may they not have diphthongized?
V-ing perfect
may I not have been diphthongizing? may you not have been diphthongizing? may she not have been diphthongizing? may we not have been diphthongizing? may you not have been diphthongizing? may they not have been diphthongizing?