Warning, this verb may not exist. Conjugation is given as example.
Affirmation
Simple form
I must stay away you must stay away she must stay away we must stay away you must stay away they must stay away
V-ing form
I must be stay awaying you must be stay awaying she must be stay awaying we must be stay awaying you must be stay awaying they must be stay awaying
Perfect
I must have stay awayed you must have stay awayed she must have stay awayed we must have stay awayed you must have stay awayed they must have stay awayed
V-ing perfect
I must have been stay awaying you must have been stay awaying she must have been stay awaying we must have been stay awaying you must have been stay awaying they must have been stay awaying
Negation
Simple form
I must not stay away you must not stay away she must not stay away we must not stay away you must not stay away they must not stay away
V-ing form
I must not be stay awaying you must not be stay awaying she must not be stay awaying we must not be stay awaying you must not be stay awaying they must not be stay awaying
Perfect
I must not have stay awayed you must not have stay awayed she must not have stay awayed we must not have stay awayed you must not have stay awayed they must not have stay awayed
V-ing perfect
I must not have been stay awaying you must not have been stay awaying she must not have been stay awaying we must not have been stay awaying you must not have been stay awaying they must not have been stay awaying
Interrogative form
Simple form
must I stay away? must you stay away? must she stay away? must we stay away? must you stay away? must they stay away?
V-ing form
must I be stay awaying? must you be stay awaying? must she be stay awaying? must we be stay awaying? must you be stay awaying? must they be stay awaying?
Perfect
must I have stay awayed? must you have stay awayed? must she have stay awayed? must we have stay awayed? must you have stay awayed? must they have stay awayed?
V-ing perfect
must I have been stay awaying? must you have been stay awaying? must she have been stay awaying? must we have been stay awaying? must you have been stay awaying? must they have been stay awaying?
Interro-negative form
Simple form
must I not stay away? must you not stay away? must she not stay away? must we not stay away? must you not stay away? must they not stay away?
V-ing form
must I not be stay awaying? must you not be stay awaying? must she not be stay awaying? must we not be stay awaying? must you not be stay awaying? must they not be stay awaying?
Perfect
must I not have stay awayed? must you not have stay awayed? must she not have stay awayed? must we not have stay awayed? must you not have stay awayed? must they not have stay awayed?
V-ing perfect
must I not have been stay awaying? must you not have been stay awaying? must she not have been stay awaying? must we not have been stay awaying? must you not have been stay awaying? must they not have been stay awaying?