must embattle
Regular verb: embattle - embattled- embattled

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I must embattle
you must embattle
he must embattle
we must embattle
you must embattle
they must embattle 	I must be embattling
you must be embattling
he must be embattling
we must be embattling
you must be embattling
they must be embattling	I must have embattled
you must have embattled
he must have embattled
we must have embattled
you must have embattled
they must have embattled	I must have been embattling
you must have been embattling
he must have been embattling
we must have been embattling
you must have been embattling
they must have been embattling	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I mustn't embattle
you mustn't embattle
he mustn't embattle
we mustn't embattle
you mustn't embattle
they mustn't embattle 	I mustn't be embattling
you mustn't be embattling
he mustn't be embattling
we mustn't be embattling
you mustn't be embattling
they mustn't be embattling	I mustn't have embattled
you mustn't have embattled
he mustn't have embattled
we mustn't have embattled
you mustn't have embattled
they mustn't have embattled	I mustn't have been embattling
you mustn't have been embattling
he mustn't have been embattling
we mustn't have been embattling
you mustn't have been embattling
they mustn't have been embattling	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
must I embattle?
must you embattle?
must he embattle?
must we embattle?
must you embattle?
must they embattle? 	must I be embattling?
must you be embattling?
must he be embattling?
must we be embattling?
must you be embattling?
must they be embattling? 	must I have embattled?
must you have embattled?
must he have embattled?
must we have embattled?
must you have embattled?
must they have embattled? 	must I have been embattling?
must you have been embattling?
must he have been embattling?
must we have been embattling?
must you have been embattling?
must they have been embattling? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
mustn't I embattle?
mustn't you embattle?
mustn't he embattle?
mustn't we embattle?
mustn't you embattle?
mustn't they embattle? 	mustn't I be embattling?
mustn't you be embattling?
mustn't he be embattling?
mustn't we be embattling?
mustn't you be embattling?
mustn't they be embattling? 	mustn't I have embattled?
mustn't you have embattled?
mustn't he have embattled?
mustn't we have embattled?
mustn't you have embattled?
mustn't they have embattled? 	mustn't I have been embattling?
mustn't you have been embattling?
mustn't he have been embattling?
mustn't we have been embattling?
mustn't you have been embattling?
mustn't they have been embattling?