English verb conjugation
MUST PILLAR

Regular verb: pillar - pillared - pillared

Affirmation

Simple form	V-ing form
I must pillar you must pillar she must pillar we must pillar you must pillar they must pillar	I must be pillaring you must be pillaring she 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 she 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 she 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 she 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 she 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 she 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 she 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 she pillar? must we pillar? must you pillar? must they pillar?	must I be pillaring? must you be pillaring? must she 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 she 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 she 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 she 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 she 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 she 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 she have been pillaring? mustn't we have been pillaring? mustn't you have been pillaring? mustn't they have been pillaring?