English verb conjugation
MUST VISE

Regular verb: vise - vised - vised

Affirmation

Simple form	V-ing form
I must vise you must vise he must vise we must vise you must vise they must vise	I must be vising you must be vising he must be vising we must be vising you must be vising they must be vising
Perfect	V-ing perfect
I must have vised you must have vised he must have vised we must have vised you must have vised they must have vised	I must have been vising you must have been vising he must have been vising we must have been vising you must have been vising they must have been vising

Negation

Simple form	V-ing form
I must not vise you must not vise he must not vise we must not vise you must not vise they must not vise	I must not be vising you must not be vising he must not be vising we must not be vising you must not be vising they must not be vising
Perfect	V-ing perfect
I must not have vised you must not have vised he must not have vised we must not have vised you must not have vised they must not have vised	I must not have been vising you must not have been vising he must not have been vising we must not have been vising you must not have been vising they must not have been vising

Interrogative form

Simple form	V-ing form
must I vise? must you vise? must he vise? must we vise? must you vise? must they vise?	must I be vising? must you be vising? must he be vising? must we be vising? must you be vising? must they be vising?
Perfect	V-ing perfect
must I have vised? must you have vised? must he have vised? must we have vised? must you have vised? must they have vised?	must I have been vising? must you have been vising? must he have been vising? must we have been vising? must you have been vising? must they have been vising?

Interro-negative form

Simple form	V-ing form
must I not vise? must you not vise? must he not vise? must we not vise? must you not vise? must they not vise?	must I not be vising? must you not be vising? must he not be vising? must we not be vising? must you not be vising? must they not be vising?
Perfect	V-ing perfect
must I not have vised? must you not have vised? must he not have vised? must we not have vised? must you not have vised? must they not have vised?	must I not have been vising? must you not have been vising? must he not have been vising? must we not have been vising? must you not have been vising? must they not have been vising?