must barrel
Regular verb: barrel - barreled- barreled

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I must barrel
you must barrel
he must barrel
we must barrel
you must barrel
they must barrel 	I must be barreling
you must be barreling
he must be barreling
we must be barreling
you must be barreling
they must be barreling	I must have barreled
you must have barreled
he must have barreled
we must have barreled
you must have barreled
they must have barreled	I must have been barreling
you must have been barreling
he must have been barreling
we must have been barreling
you must have been barreling
they must have been barreling	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I mustn't barrel
you mustn't barrel
he mustn't barrel
we mustn't barrel
you mustn't barrel
they mustn't barrel 	I mustn't be barreling
you mustn't be barreling
he mustn't be barreling
we mustn't be barreling
you mustn't be barreling
they mustn't be barreling	I mustn't have barreled
you mustn't have barreled
he mustn't have barreled
we mustn't have barreled
you mustn't have barreled
they mustn't have barreled	I mustn't have been barreling
you mustn't have been barreling
he mustn't have been barreling
we mustn't have been barreling
you mustn't have been barreling
they mustn't have been barreling	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
must I barrel?
must you barrel?
must he barrel?
must we barrel?
must you barrel?
must they barrel? 	must I be barreling?
must you be barreling?
must he be barreling?
must we be barreling?
must you be barreling?
must they be barreling? 	must I have barreled?
must you have barreled?
must he have barreled?
must we have barreled?
must you have barreled?
must they have barreled? 	must I have been barreling?
must you have been barreling?
must he have been barreling?
must we have been barreling?
must you have been barreling?
must they have been barreling? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
mustn't I barrel?
mustn't you barrel?
mustn't he barrel?
mustn't we barrel?
mustn't you barrel?
mustn't they barrel? 	mustn't I be barreling?
mustn't you be barreling?
mustn't he be barreling?
mustn't we be barreling?
mustn't you be barreling?
mustn't they be barreling? 	mustn't I have barreled?
mustn't you have barreled?
mustn't he have barreled?
mustn't we have barreled?
mustn't you have barreled?
mustn't they have barreled? 	mustn't I have been barreling?
mustn't you have been barreling?
mustn't he have been barreling?
mustn't we have been barreling?
mustn't you have been barreling?
mustn't they have been barreling?