English verb conjugation
MUST OUTRUN

Irregular verb: outrun - outran - outrun

Affirmation

Simple form	V-ing form
I must outrun you must outrun he must outrun we must outrun you must outrun they must outrun	I must be outrunning you must be outrunning he must be outrunning we must be outrunning you must be outrunning they must be outrunning
Perfect	V-ing perfect
I must have outrun you must have outrun he must have outrun we must have outrun you must have outrun they must have outrun	I must have been outrunning you must have been outrunning he must have been outrunning we must have been outrunning you must have been outrunning they must have been outrunning

Negation

Simple form	V-ing form
I mustn't outrun you mustn't outrun he mustn't outrun we mustn't outrun you mustn't outrun they mustn't outrun	I mustn't be outrunning you mustn't be outrunning he mustn't be outrunning we mustn't be outrunning you mustn't be outrunning they mustn't be outrunning
Perfect	V-ing perfect
I mustn't have outrun you mustn't have outrun he mustn't have outrun we mustn't have outrun you mustn't have outrun they mustn't have outrun	I mustn't have been outrunning you mustn't have been outrunning he mustn't have been outrunning we mustn't have been outrunning you mustn't have been outrunning they mustn't have been outrunning

Interrogative form

Simple form	V-ing form
must I outrun? must you outrun? must he outrun? must we outrun? must you outrun? must they outrun?	must I be outrunning? must you be outrunning? must he be outrunning? must we be outrunning? must you be outrunning? must they be outrunning?
Perfect	V-ing perfect
must I have outrun? must you have outrun? must he have outrun? must we have outrun? must you have outrun? must they have outrun?	must I have been outrunning? must you have been outrunning? must he have been outrunning? must we have been outrunning? must you have been outrunning? must they have been outrunning?

Interro-negative form

Simple form	V-ing form
mustn't I outrun? mustn't you outrun? mustn't he outrun? mustn't we outrun? mustn't you outrun? mustn't they outrun?	mustn't I be outrunning? mustn't you be outrunning? mustn't he be outrunning? mustn't we be outrunning? mustn't you be outrunning? mustn't they be outrunning?
Perfect	V-ing perfect
mustn't I have outrun? mustn't you have outrun? mustn't he have outrun? mustn't we have outrun? mustn't you have outrun? mustn't they have outrun?	mustn't I have been outrunning? mustn't you have been outrunning? mustn't he have been outrunning? mustn't we have been outrunning? mustn't you have been outrunning? mustn't they have been outrunning?