English verb conjugation
MUST UPSISE

Regular verb: upsise - upsised - upsised

Affirmation

Simple form	V-ing form
I must upsise you must upsise he must upsise we must upsise you must upsise they must upsise	I must be upsising you must be upsising he must be upsising we must be upsising you must be upsising they must be upsising
Perfect	V-ing perfect
I must have upsised you must have upsised he must have upsised we must have upsised you must have upsised they must have upsised	I must have been upsising you must have been upsising he must have been upsising we must have been upsising you must have been upsising they must have been upsising

Negation

Simple form	V-ing form
I must not upsise you must not upsise he must not upsise we must not upsise you must not upsise they must not upsise	I must not be upsising you must not be upsising he must not be upsising we must not be upsising you must not be upsising they must not be upsising
Perfect	V-ing perfect
I must not have upsised you must not have upsised he must not have upsised we must not have upsised you must not have upsised they must not have upsised	I must not have been upsising you must not have been upsising he must not have been upsising we must not have been upsising you must not have been upsising they must not have been upsising

Interrogative form

Simple form	V-ing form
must I upsise? must you upsise? must he upsise? must we upsise? must you upsise? must they upsise?	must I be upsising? must you be upsising? must he be upsising? must we be upsising? must you be upsising? must they be upsising?
Perfect	V-ing perfect
must I have upsised? must you have upsised? must he have upsised? must we have upsised? must you have upsised? must they have upsised?	must I have been upsising? must you have been upsising? must he have been upsising? must we have been upsising? must you have been upsising? must they have been upsising?

Interro-negative form

Simple form	V-ing form
must I not upsise? must you not upsise? must he not upsise? must we not upsise? must you not upsise? must they not upsise?	must I not be upsising? must you not be upsising? must he not be upsising? must we not be upsising? must you not be upsising? must they not be upsising?
Perfect	V-ing perfect
must I not have upsised? must you not have upsised? must he not have upsised? must we not have upsised? must you not have upsised? must they not have upsised?	must I not have been upsising? must you not have been upsising? must he not have been upsising? must we not have been upsising? must you not have been upsising? must they not have been upsising?