I may convince you may convince she may convince we may convince you may convince they may convince
V-ing form
I may be convincing you may be convincing she may be convincing we may be convincing you may be convincing they may be convincing
Perfect
I may have convinced you may have convinced she may have convinced we may have convinced you may have convinced they may have convinced
V-ing perfect
I may have been convincing you may have been convincing she may have been convincing we may have been convincing you may have been convincing they may have been convincing
Negation
Simple form
I mayn't convince you mayn't convince she mayn't convince we mayn't convince you mayn't convince they mayn't convince
V-ing form
I mayn't be convincing you mayn't be convincing she mayn't be convincing we mayn't be convincing you mayn't be convincing they mayn't be convincing
Perfect
I mayn't have convinced you mayn't have convinced she mayn't have convinced we mayn't have convinced you mayn't have convinced they mayn't have convinced
V-ing perfect
I mayn't have been convincing you mayn't have been convincing she mayn't have been convincing we mayn't have been convincing you mayn't have been convincing they mayn't have been convincing
Interrogative form
Simple form
may I convince? may you convince? may she convince? may we convince? may you convince? may they convince?
V-ing form
may I be convincing? may you be convincing? may she be convincing? may we be convincing? may you be convincing? may they be convincing?
Perfect
may I have convinced? may you have convinced? may she have convinced? may we have convinced? may you have convinced? may they have convinced?
V-ing perfect
may I have been convincing? may you have been convincing? may she have been convincing? may we have been convincing? may you have been convincing? may they have been convincing?
Interro-negative form
Simple form
mayn't I convince? mayn't you convince? mayn't she convince? mayn't we convince? mayn't you convince? mayn't they convince?
V-ing form
mayn't I be convincing? mayn't you be convincing? mayn't she be convincing? mayn't we be convincing? mayn't you be convincing? mayn't they be convincing?
Perfect
mayn't I have convinced? mayn't you have convinced? mayn't she have convinced? mayn't we have convinced? mayn't you have convinced? mayn't they have convinced?
V-ing perfect
mayn't I have been convincing? mayn't you have been convincing? mayn't she have been convincing? mayn't we have been convincing? mayn't you have been convincing? mayn't they have been convincing?