English verb conjugation
MUST SUE

Regular verb: sue - sued - sued

Affirmation

Simple form	V-ing form
I must sue you must sue she must sue we must sue you must sue they must sue	I must be suing you must be suing she must be suing we must be suing you must be suing they must be suing
Perfect	V-ing perfect
I must have sued you must have sued she must have sued we must have sued you must have sued they must have sued	I must have been suing you must have been suing she must have been suing we must have been suing you must have been suing they must have been suing

Negation

Simple form	V-ing form
I mustn't sue you mustn't sue she mustn't sue we mustn't sue you mustn't sue they mustn't sue	I mustn't be suing you mustn't be suing she mustn't be suing we mustn't be suing you mustn't be suing they mustn't be suing
Perfect	V-ing perfect
I mustn't have sued you mustn't have sued she mustn't have sued we mustn't have sued you mustn't have sued they mustn't have sued	I mustn't have been suing you mustn't have been suing she mustn't have been suing we mustn't have been suing you mustn't have been suing they mustn't have been suing

Interrogative form

Simple form	V-ing form
must I sue? must you sue? must she sue? must we sue? must you sue? must they sue?	must I be suing? must you be suing? must she be suing? must we be suing? must you be suing? must they be suing?
Perfect	V-ing perfect
must I have sued? must you have sued? must she have sued? must we have sued? must you have sued? must they have sued?	must I have been suing? must you have been suing? must she have been suing? must we have been suing? must you have been suing? must they have been suing?

Interro-negative form

Simple form	V-ing form
mustn't I sue? mustn't you sue? mustn't she sue? mustn't we sue? mustn't you sue? mustn't they sue?	mustn't I be suing? mustn't you be suing? mustn't she be suing? mustn't we be suing? mustn't you be suing? mustn't they be suing?
Perfect	V-ing perfect
mustn't I have sued? mustn't you have sued? mustn't she have sued? mustn't we have sued? mustn't you have sued? mustn't they have sued?	mustn't I have been suing? mustn't you have been suing? mustn't she have been suing? mustn't we have been suing? mustn't you have been suing? mustn't they have been suing?