I must aprise you must aprise she must aprise we must aprise you must aprise they must aprise
V-ing form
I must be aprising you must be aprising she must be aprising we must be aprising you must be aprising they must be aprising
Perfect
I must have aprised you must have aprised she must have aprised we must have aprised you must have aprised they must have aprised
V-ing perfect
I must have been aprising you must have been aprising she must have been aprising we must have been aprising you must have been aprising they must have been aprising
Negation
Simple form
I must not aprise you must not aprise she must not aprise we must not aprise you must not aprise they must not aprise
V-ing form
I must not be aprising you must not be aprising she must not be aprising we must not be aprising you must not be aprising they must not be aprising
Perfect
I must not have aprised you must not have aprised she must not have aprised we must not have aprised you must not have aprised they must not have aprised
V-ing perfect
I must not have been aprising you must not have been aprising she must not have been aprising we must not have been aprising you must not have been aprising they must not have been aprising
Interrogative form
Simple form
must I aprise? must you aprise? must she aprise? must we aprise? must you aprise? must they aprise?
V-ing form
must I be aprising? must you be aprising? must she be aprising? must we be aprising? must you be aprising? must they be aprising?
Perfect
must I have aprised? must you have aprised? must she have aprised? must we have aprised? must you have aprised? must they have aprised?
V-ing perfect
must I have been aprising? must you have been aprising? must she have been aprising? must we have been aprising? must you have been aprising? must they have been aprising?
Interro-negative form
Simple form
must I not aprise? must you not aprise? must she not aprise? must we not aprise? must you not aprise? must they not aprise?
V-ing form
must I not be aprising? must you not be aprising? must she not be aprising? must we not be aprising? must you not be aprising? must they not be aprising?
Perfect
must I not have aprised? must you not have aprised? must she not have aprised? must we not have aprised? must you not have aprised? must they not have aprised?
V-ing perfect
must I not have been aprising? must you not have been aprising? must she not have been aprising? must we not have been aprising? must you not have been aprising? must they not have been aprising?