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 mustn't upsise you mustn't upsise he mustn't upsise we mustn't upsise you mustn't upsise they mustn't upsise	I mustn't be upsising you mustn't be upsising he mustn't be upsising we mustn't be upsising you mustn't be upsising they mustn't be upsising
Perfect	V-ing perfect
I mustn't have upsised you mustn't have upsised he mustn't have upsised we mustn't have upsised you mustn't have upsised they mustn't have upsised	I mustn't have been upsising you mustn't have been upsising he mustn't have been upsising we mustn't have been upsising you mustn't have been upsising they mustn't 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
mustn't I upsise? mustn't you upsise? mustn't he upsise? mustn't we upsise? mustn't you upsise? mustn't they upsise?	mustn't I be upsising? mustn't you be upsising? mustn't he be upsising? mustn't we be upsising? mustn't you be upsising? mustn't they be upsising?
Perfect	V-ing perfect
mustn't I have upsised? mustn't you have upsised? mustn't he have upsised? mustn't we have upsised? mustn't you have upsised? mustn't they have upsised?	mustn't I have been upsising? mustn't you have been upsising? mustn't he have been upsising? mustn't we have been upsising? mustn't you have been upsising? mustn't they have been upsising?