English verb conjugation
MUST BARREL

Regular verb: barrel - barreled - barreled

Affirmation

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