must outgain
Regular verb: outgain - outgained- outgained

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I must outgain
you must outgain
he must outgain
we must outgain
you must outgain
they must outgain 	I must be outgaining
you must be outgaining
he must be outgaining
we must be outgaining
you must be outgaining
they must be outgaining	I must have outgained
you must have outgained
he must have outgained
we must have outgained
you must have outgained
they must have outgained	I must have been outgaining
you must have been outgaining
he must have been outgaining
we must have been outgaining
you must have been outgaining
they must have been outgaining	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I mustn't outgain
you mustn't outgain
he mustn't outgain
we mustn't outgain
you mustn't outgain
they mustn't outgain 	I mustn't be outgaining
you mustn't be outgaining
he mustn't be outgaining
we mustn't be outgaining
you mustn't be outgaining
they mustn't be outgaining	I mustn't have outgained
you mustn't have outgained
he mustn't have outgained
we mustn't have outgained
you mustn't have outgained
they mustn't have outgained	I mustn't have been outgaining
you mustn't have been outgaining
he mustn't have been outgaining
we mustn't have been outgaining
you mustn't have been outgaining
they mustn't have been outgaining	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
must I outgain?
must you outgain?
must he outgain?
must we outgain?
must you outgain?
must they outgain? 	must I be outgaining?
must you be outgaining?
must he be outgaining?
must we be outgaining?
must you be outgaining?
must they be outgaining? 	must I have outgained?
must you have outgained?
must he have outgained?
must we have outgained?
must you have outgained?
must they have outgained? 	must I have been outgaining?
must you have been outgaining?
must he have been outgaining?
must we have been outgaining?
must you have been outgaining?
must they have been outgaining? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
mustn't I outgain?
mustn't you outgain?
mustn't he outgain?
mustn't we outgain?
mustn't you outgain?
mustn't they outgain? 	mustn't I be outgaining?
mustn't you be outgaining?
mustn't he be outgaining?
mustn't we be outgaining?
mustn't you be outgaining?
mustn't they be outgaining? 	mustn't I have outgained?
mustn't you have outgained?
mustn't he have outgained?
mustn't we have outgained?
mustn't you have outgained?
mustn't they have outgained? 	mustn't I have been outgaining?
mustn't you have been outgaining?
mustn't he have been outgaining?
mustn't we have been outgaining?
mustn't you have been outgaining?
mustn't they have been outgaining?