I may frock you may frock she may frock we may frock you may frock they may frock
V-ing form
I may be frocking you may be frocking she may be frocking we may be frocking you may be frocking they may be frocking
Perfect
I may have frocked you may have frocked she may have frocked we may have frocked you may have frocked they may have frocked
V-ing perfect
I may have been frocking you may have been frocking she may have been frocking we may have been frocking you may have been frocking they may have been frocking
Negation
Simple form
I may not frock you may not frock she may not frock we may not frock you may not frock they may not frock
V-ing form
I may not be frocking you may not be frocking she may not be frocking we may not be frocking you may not be frocking they may not be frocking
Perfect
I may not have frocked you may not have frocked she may not have frocked we may not have frocked you may not have frocked they may not have frocked
V-ing perfect
I may not have been frocking you may not have been frocking she may not have been frocking we may not have been frocking you may not have been frocking they may not have been frocking
Interrogative form
Simple form
may I frock? may you frock? may she frock? may we frock? may you frock? may they frock?
V-ing form
may I be frocking? may you be frocking? may she be frocking? may we be frocking? may you be frocking? may they be frocking?
Perfect
may I have frocked? may you have frocked? may she have frocked? may we have frocked? may you have frocked? may they have frocked?
V-ing perfect
may I have been frocking? may you have been frocking? may she have been frocking? may we have been frocking? may you have been frocking? may they have been frocking?
Interro-negative form
Simple form
may I not frock? may you not frock? may she not frock? may we not frock? may you not frock? may they not frock?
V-ing form
may I not be frocking? may you not be frocking? may she not be frocking? may we not be frocking? may you not be frocking? may they not be frocking?
Perfect
may I not have frocked? may you not have frocked? may she not have frocked? may we not have frocked? may you not have frocked? may they not have frocked?
V-ing perfect
may I not have been frocking? may you not have been frocking? may she not have been frocking? may we not have been frocking? may you not have been frocking? may they not have been frocking?