I may credit you may credit he may credit we may credit you may credit they may credit
V-ing form
I may be crediting you may be crediting he may be crediting we may be crediting you may be crediting they may be crediting
Perfect
I may have credited you may have credited he may have credited we may have credited you may have credited they may have credited
V-ing perfect
I may have been crediting you may have been crediting he may have been crediting we may have been crediting you may have been crediting they may have been crediting
Negation
Simple form
I mayn't credit you mayn't credit he mayn't credit we mayn't credit you mayn't credit they mayn't credit
V-ing form
I mayn't be crediting you mayn't be crediting he mayn't be crediting we mayn't be crediting you mayn't be crediting they mayn't be crediting
Perfect
I mayn't have credited you mayn't have credited he mayn't have credited we mayn't have credited you mayn't have credited they mayn't have credited
V-ing perfect
I mayn't have been crediting you mayn't have been crediting he mayn't have been crediting we mayn't have been crediting you mayn't have been crediting they mayn't have been crediting
Interrogative form
Simple form
may I credit? may you credit? may he credit? may we credit? may you credit? may they credit?
V-ing form
may I be crediting? may you be crediting? may he be crediting? may we be crediting? may you be crediting? may they be crediting?
Perfect
may I have credited? may you have credited? may he have credited? may we have credited? may you have credited? may they have credited?
V-ing perfect
may I have been crediting? may you have been crediting? may he have been crediting? may we have been crediting? may you have been crediting? may they have been crediting?
Interro-negative form
Simple form
mayn't I credit? mayn't you credit? mayn't he credit? mayn't we credit? mayn't you credit? mayn't they credit?
V-ing form
mayn't I be crediting? mayn't you be crediting? mayn't he be crediting? mayn't we be crediting? mayn't you be crediting? mayn't they be crediting?
Perfect
mayn't I have credited? mayn't you have credited? mayn't he have credited? mayn't we have credited? mayn't you have credited? mayn't they have credited?
V-ing perfect
mayn't I have been crediting? mayn't you have been crediting? mayn't he have been crediting? mayn't we have been crediting? mayn't you have been crediting? mayn't they have been crediting?