English verb conjugation
MUST VEST

Regular verb: vest - vested - vested

Affirmation

Simple form	V-ing form
I must vest you must vest he must vest we must vest you must vest they must vest	I must be vesting you must be vesting he must be vesting we must be vesting you must be vesting they must be vesting
Perfect	V-ing perfect
I must have vested you must have vested he must have vested we must have vested you must have vested they must have vested	I must have been vesting you must have been vesting he must have been vesting we must have been vesting you must have been vesting they must have been vesting

Negation

Simple form	V-ing form
I mustn't vest you mustn't vest he mustn't vest we mustn't vest you mustn't vest they mustn't vest	I mustn't be vesting you mustn't be vesting he mustn't be vesting we mustn't be vesting you mustn't be vesting they mustn't be vesting
Perfect	V-ing perfect
I mustn't have vested you mustn't have vested he mustn't have vested we mustn't have vested you mustn't have vested they mustn't have vested	I mustn't have been vesting you mustn't have been vesting he mustn't have been vesting we mustn't have been vesting you mustn't have been vesting they mustn't have been vesting

Interrogative form

Simple form	V-ing form
must I vest? must you vest? must he vest? must we vest? must you vest? must they vest?	must I be vesting? must you be vesting? must he be vesting? must we be vesting? must you be vesting? must they be vesting?
Perfect	V-ing perfect
must I have vested? must you have vested? must he have vested? must we have vested? must you have vested? must they have vested?	must I have been vesting? must you have been vesting? must he have been vesting? must we have been vesting? must you have been vesting? must they have been vesting?

Interro-negative form

Simple form	V-ing form
mustn't I vest? mustn't you vest? mustn't he vest? mustn't we vest? mustn't you vest? mustn't they vest?	mustn't I be vesting? mustn't you be vesting? mustn't he be vesting? mustn't we be vesting? mustn't you be vesting? mustn't they be vesting?
Perfect	V-ing perfect
mustn't I have vested? mustn't you have vested? mustn't he have vested? mustn't we have vested? mustn't you have vested? mustn't they have vested?	mustn't I have been vesting? mustn't you have been vesting? mustn't he have been vesting? mustn't we have been vesting? mustn't you have been vesting? mustn't they have been vesting?