English verb conjugation
MUST SUBCATEGORISE

Regular verb: subcategorise - subcategorised - subcategorised

Affirmation

Simple form	V-ing form
I must subcategorise you must subcategorise he must subcategorise we must subcategorise you must subcategorise they must subcategorise	I must be subcategorising you must be subcategorising he must be subcategorising we must be subcategorising you must be subcategorising they must be subcategorising
Perfect	V-ing perfect
I must have subcategorised you must have subcategorised he must have subcategorised we must have subcategorised you must have subcategorised they must have subcategorised	I must have been subcategorising you must have been subcategorising he must have been subcategorising we must have been subcategorising you must have been subcategorising they must have been subcategorising

Negation

Simple form	V-ing form
I mustn't subcategorise you mustn't subcategorise he mustn't subcategorise we mustn't subcategorise you mustn't subcategorise they mustn't subcategorise	I mustn't be subcategorising you mustn't be subcategorising he mustn't be subcategorising we mustn't be subcategorising you mustn't be subcategorising they mustn't be subcategorising
Perfect	V-ing perfect
I mustn't have subcategorised you mustn't have subcategorised he mustn't have subcategorised we mustn't have subcategorised you mustn't have subcategorised they mustn't have subcategorised	I mustn't have been subcategorising you mustn't have been subcategorising he mustn't have been subcategorising we mustn't have been subcategorising you mustn't have been subcategorising they mustn't have been subcategorising

Interrogative form

Simple form	V-ing form
must I subcategorise? must you subcategorise? must he subcategorise? must we subcategorise? must you subcategorise? must they subcategorise?	must I be subcategorising? must you be subcategorising? must he be subcategorising? must we be subcategorising? must you be subcategorising? must they be subcategorising?
Perfect	V-ing perfect
must I have subcategorised? must you have subcategorised? must he have subcategorised? must we have subcategorised? must you have subcategorised? must they have subcategorised?	must I have been subcategorising? must you have been subcategorising? must he have been subcategorising? must we have been subcategorising? must you have been subcategorising? must they have been subcategorising?

Interro-negative form

Simple form	V-ing form
mustn't I subcategorise? mustn't you subcategorise? mustn't he subcategorise? mustn't we subcategorise? mustn't you subcategorise? mustn't they subcategorise?	mustn't I be subcategorising? mustn't you be subcategorising? mustn't he be subcategorising? mustn't we be subcategorising? mustn't you be subcategorising? mustn't they be subcategorising?
Perfect	V-ing perfect
mustn't I have subcategorised? mustn't you have subcategorised? mustn't he have subcategorised? mustn't we have subcategorised? mustn't you have subcategorised? mustn't they have subcategorised?	mustn't I have been subcategorising? mustn't you have been subcategorising? mustn't he have been subcategorising? mustn't we have been subcategorising? mustn't you have been subcategorising? mustn't they have been subcategorising?