I may kneel you may kneel he may kneel we may kneel you may kneel they may kneel
V-ing form
I may be kneeling you may be kneeling he may be kneeling we may be kneeling you may be kneeling they may be kneeling
Perfect
I may have kneeled, knelt you may have kneeled, knelt he may have kneeled, knelt we may have kneeled, knelt you may have kneeled, knelt they may have kneeled, knelt
V-ing perfect
I may have been kneeling you may have been kneeling he may have been kneeling we may have been kneeling you may have been kneeling they may have been kneeling
Negation
Simple form
I mayn't kneel you mayn't kneel he mayn't kneel we mayn't kneel you mayn't kneel they mayn't kneel
V-ing form
I mayn't be kneeling you mayn't be kneeling he mayn't be kneeling we mayn't be kneeling you mayn't be kneeling they mayn't be kneeling
Perfect
I mayn't have kneeled, knelt you mayn't have kneeled, knelt he mayn't have kneeled, knelt we mayn't have kneeled, knelt you mayn't have kneeled, knelt they mayn't have kneeled, knelt
V-ing perfect
I mayn't have been kneeling you mayn't have been kneeling he mayn't have been kneeling we mayn't have been kneeling you mayn't have been kneeling they mayn't have been kneeling
Interrogative form
Simple form
may I kneel? may you kneel? may he kneel? may we kneel? may you kneel? may they kneel?
V-ing form
may I be kneeling? may you be kneeling? may he be kneeling? may we be kneeling? may you be kneeling? may they be kneeling?
Perfect
may I have kneeled, knelt? may you have kneeled, knelt? may he have kneeled, knelt? may we have kneeled, knelt? may you have kneeled, knelt? may they have kneeled, knelt?
V-ing perfect
may I have been kneeling? may you have been kneeling? may he have been kneeling? may we have been kneeling? may you have been kneeling? may they have been kneeling?
Interro-negative form
Simple form
mayn't I kneel? mayn't you kneel? mayn't he kneel? mayn't we kneel? mayn't you kneel? mayn't they kneel?
V-ing form
mayn't I be kneeling? mayn't you be kneeling? mayn't he be kneeling? mayn't we be kneeling? mayn't you be kneeling? mayn't they be kneeling?
Perfect
mayn't I have kneeled, knelt? mayn't you have kneeled, knelt? mayn't he have kneeled, knelt? mayn't we have kneeled, knelt? mayn't you have kneeled, knelt? mayn't they have kneeled, knelt?
V-ing perfect
mayn't I have been kneeling? mayn't you have been kneeling? mayn't he have been kneeling? mayn't we have been kneeling? mayn't you have been kneeling? mayn't they have been kneeling?