English verb conjugation
MUST SUE

Regular verb: sue - sued - sued

Affirmation

Simple form	V-ing form
I must sue you must sue he must sue we must sue you must sue they must sue	I must be suing you must be suing he 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 he 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 he 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 must not sue you must not sue he must not sue we must not sue you must not sue they must not sue	I must not be suing you must not be suing he must not be suing we must not be suing you must not be suing they must not be suing
Perfect	V-ing perfect
I must not have sued you must not have sued he must not have sued we must not have sued you must not have sued they must not have sued	I must not have been suing you must not have been suing he must not have been suing we must not have been suing you must not have been suing they must not have been suing

Interrogative form

Simple form	V-ing form
must I sue? must you sue? must he sue? must we sue? must you sue? must they sue?	must I be suing? must you be suing? must he 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 he 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 he 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
must I not sue? must you not sue? must he not sue? must we not sue? must you not sue? must they not sue?	must I not be suing? must you not be suing? must he not be suing? must we not be suing? must you not be suing? must they not be suing?
Perfect	V-ing perfect
must I not have sued? must you not have sued? must he not have sued? must we not have sued? must you not have sued? must they not have sued?	must I not have been suing? must you not have been suing? must he not have been suing? must we not have been suing? must you not have been suing? must they not have been suing?