I may liven you may liven she may liven we may liven you may liven they may liven
V-ing form
I may be livening you may be livening she may be livening we may be livening you may be livening they may be livening
Perfect
I may have livened you may have livened she 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 she may have been livening we may have been livening you may have been livening they may have been livening
Negation
Simple form
I may not liven you may not liven she may not liven we may not liven you may not liven they may not liven
V-ing form
I may not be livening you may not be livening she may not be livening we may not be livening you may not be livening they may not be livening
Perfect
I may not have livened you may not have livened she may not have livened we may not have livened you may not have livened they may not have livened
V-ing perfect
I may not have been livening you may not have been livening she may not have been livening we may not have been livening you may not have been livening they may not have been livening
Interrogative form
Simple form
may I liven? may you liven? may she liven? may we liven? may you liven? may they liven?
V-ing form
may I be livening? may you be livening? may she be livening? may we be livening? may you be livening? may they be livening?
Perfect
may I have livened? may you have livened? may she 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 she have been livening? may we have been livening? may you have been livening? may they have been livening?
Interro-negative form
Simple form
may I not liven? may you not liven? may she not liven? may we not liven? may you not liven? may they not liven?
V-ing form
may I not be livening? may you not be livening? may she not be livening? may we not be livening? may you not be livening? may they not be livening?
Perfect
may I not have livened? may you not have livened? may she not have livened? may we not have livened? may you not have livened? may they not have livened?
V-ing perfect
may I not have been livening? may you not have been livening? may she not have been livening? may we not have been livening? may you not have been livening? may they not have been livening?