must outrun
Irregular verb: outrun - outran- outrun

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
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	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 	Perfect 	V-ing perfect 	
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	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 	Perfect 	V-ing perfect 	
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? 	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 	Perfect 	V-ing perfect 	
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? 	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?