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