English verb conjugation
MUST BARRACK

Regular verb: barrack - barracked - barracked

Affirmation

Simple form	V-ing form
I must barrack you must barrack she must barrack we must barrack you must barrack they must barrack	I must be barracking you must be barracking she must be barracking we must be barracking you must be barracking they must be barracking
Perfect	V-ing perfect
I must have barracked you must have barracked she must have barracked we must have barracked you must have barracked they must have barracked	I must have been barracking you must have been barracking she must have been barracking we must have been barracking you must have been barracking they must have been barracking

Negation

Simple form	V-ing form
I must not barrack you must not barrack she must not barrack we must not barrack you must not barrack they must not barrack	I must not be barracking you must not be barracking she must not be barracking we must not be barracking you must not be barracking they must not be barracking
Perfect	V-ing perfect
I must not have barracked you must not have barracked she must not have barracked we must not have barracked you must not have barracked they must not have barracked	I must not have been barracking you must not have been barracking she must not have been barracking we must not have been barracking you must not have been barracking they must not have been barracking

Interrogative form

Simple form	V-ing form
must I barrack? must you barrack? must she barrack? must we barrack? must you barrack? must they barrack?	must I be barracking? must you be barracking? must she be barracking? must we be barracking? must you be barracking? must they be barracking?
Perfect	V-ing perfect
must I have barracked? must you have barracked? must she have barracked? must we have barracked? must you have barracked? must they have barracked?	must I have been barracking? must you have been barracking? must she have been barracking? must we have been barracking? must you have been barracking? must they have been barracking?

Interro-negative form

Simple form	V-ing form
must I not barrack? must you not barrack? must she not barrack? must we not barrack? must you not barrack? must they not barrack?	must I not be barracking? must you not be barracking? must she not be barracking? must we not be barracking? must you not be barracking? must they not be barracking?
Perfect	V-ing perfect
must I not have barracked? must you not have barracked? must she not have barracked? must we not have barracked? must you not have barracked? must they not have barracked?	must I not have been barracking? must you not have been barracking? must she not have been barracking? must we not have been barracking? must you not have been barracking? must they not have been barracking?