English verb conjugation
MUST COMFORT

Regular verb: comfort - comforted - comforted

Affirmation

Simple form	V-ing form
I must comfort you must comfort she must comfort we must comfort you must comfort they must comfort	I must be comforting you must be comforting she must be comforting we must be comforting you must be comforting they must be comforting
Perfect	V-ing perfect
I must have comforted you must have comforted she must have comforted we must have comforted you must have comforted they must have comforted	I must have been comforting you must have been comforting she must have been comforting we must have been comforting you must have been comforting they must have been comforting

Negation

Simple form	V-ing form
I mustn't comfort you mustn't comfort she mustn't comfort we mustn't comfort you mustn't comfort they mustn't comfort	I mustn't be comforting you mustn't be comforting she mustn't be comforting we mustn't be comforting you mustn't be comforting they mustn't be comforting
Perfect	V-ing perfect
I mustn't have comforted you mustn't have comforted she mustn't have comforted we mustn't have comforted you mustn't have comforted they mustn't have comforted	I mustn't have been comforting you mustn't have been comforting she mustn't have been comforting we mustn't have been comforting you mustn't have been comforting they mustn't have been comforting

Interrogative form

Simple form	V-ing form
must I comfort? must you comfort? must she comfort? must we comfort? must you comfort? must they comfort?	must I be comforting? must you be comforting? must she be comforting? must we be comforting? must you be comforting? must they be comforting?
Perfect	V-ing perfect
must I have comforted? must you have comforted? must she have comforted? must we have comforted? must you have comforted? must they have comforted?	must I have been comforting? must you have been comforting? must she have been comforting? must we have been comforting? must you have been comforting? must they have been comforting?

Interro-negative form

Simple form	V-ing form
mustn't I comfort? mustn't you comfort? mustn't she comfort? mustn't we comfort? mustn't you comfort? mustn't they comfort?	mustn't I be comforting? mustn't you be comforting? mustn't she be comforting? mustn't we be comforting? mustn't you be comforting? mustn't they be comforting?
Perfect	V-ing perfect
mustn't I have comforted? mustn't you have comforted? mustn't she have comforted? mustn't we have comforted? mustn't you have comforted? mustn't they have comforted?	mustn't I have been comforting? mustn't you have been comforting? mustn't she have been comforting? mustn't we have been comforting? mustn't you have been comforting? mustn't they have been comforting?