English verb conjugation
MUST VISE

Regular verb: vise - vised - vised

Affirmation

Simple form	V-ing form
I must vise you must vise she must vise we must vise you must vise they must vise	I must be vising you must be vising she 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 she 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 she 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 she 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 she 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 she 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 she 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 she vise? must we vise? must you vise? must they vise?	must I be vising? must you be vising? must she 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 she 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 she 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 she 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 she 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 she 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 she not have been vising? must we not have been vising? must you not have been vising? must they not have been vising?