English verb conjugation
MUST PILLAR

Regular verb: pillar - pillared - pillared

Affirmation

Simple form	V-ing form
I must pillar you must pillar he must pillar we must pillar you must pillar they must pillar	I must be pillaring you must be pillaring he must be pillaring we must be pillaring you must be pillaring they must be pillaring
Perfect	V-ing perfect
I must have pillared you must have pillared he must have pillared we must have pillared you must have pillared they must have pillared	I must have been pillaring you must have been pillaring he must have been pillaring we must have been pillaring you must have been pillaring they must have been pillaring

Negation

Simple form	V-ing form
I mustn't pillar you mustn't pillar he mustn't pillar we mustn't pillar you mustn't pillar they mustn't pillar	I mustn't be pillaring you mustn't be pillaring he mustn't be pillaring we mustn't be pillaring you mustn't be pillaring they mustn't be pillaring
Perfect	V-ing perfect
I mustn't have pillared you mustn't have pillared he mustn't have pillared we mustn't have pillared you mustn't have pillared they mustn't have pillared	I mustn't have been pillaring you mustn't have been pillaring he mustn't have been pillaring we mustn't have been pillaring you mustn't have been pillaring they mustn't have been pillaring

Interrogative form

Simple form	V-ing form
must I pillar? must you pillar? must he pillar? must we pillar? must you pillar? must they pillar?	must I be pillaring? must you be pillaring? must he be pillaring? must we be pillaring? must you be pillaring? must they be pillaring?
Perfect	V-ing perfect
must I have pillared? must you have pillared? must he have pillared? must we have pillared? must you have pillared? must they have pillared?	must I have been pillaring? must you have been pillaring? must he have been pillaring? must we have been pillaring? must you have been pillaring? must they have been pillaring?

Interro-negative form

Simple form	V-ing form
mustn't I pillar? mustn't you pillar? mustn't he pillar? mustn't we pillar? mustn't you pillar? mustn't they pillar?	mustn't I be pillaring? mustn't you be pillaring? mustn't he be pillaring? mustn't we be pillaring? mustn't you be pillaring? mustn't they be pillaring?
Perfect	V-ing perfect
mustn't I have pillared? mustn't you have pillared? mustn't he have pillared? mustn't we have pillared? mustn't you have pillared? mustn't they have pillared?	mustn't I have been pillaring? mustn't you have been pillaring? mustn't he have been pillaring? mustn't we have been pillaring? mustn't you have been pillaring? mustn't they have been pillaring?