English verb conjugation
MUST CONFABULATE

Regular verb: confabulate - confabulated - confabulated

Affirmation

Simple form	V-ing form
I must confabulate you must confabulate he must confabulate we must confabulate you must confabulate they must confabulate	I must be confabulating you must be confabulating he must be confabulating we must be confabulating you must be confabulating they must be confabulating
Perfect	V-ing perfect
I must have confabulated you must have confabulated he must have confabulated we must have confabulated you must have confabulated they must have confabulated	I must have been confabulating you must have been confabulating he must have been confabulating we must have been confabulating you must have been confabulating they must have been confabulating

Negation

Simple form	V-ing form
I must not confabulate you must not confabulate he must not confabulate we must not confabulate you must not confabulate they must not confabulate	I must not be confabulating you must not be confabulating he must not be confabulating we must not be confabulating you must not be confabulating they must not be confabulating
Perfect	V-ing perfect
I must not have confabulated you must not have confabulated he must not have confabulated we must not have confabulated you must not have confabulated they must not have confabulated	I must not have been confabulating you must not have been confabulating he must not have been confabulating we must not have been confabulating you must not have been confabulating they must not have been confabulating

Interrogative form

Simple form	V-ing form
must I confabulate? must you confabulate? must he confabulate? must we confabulate? must you confabulate? must they confabulate?	must I be confabulating? must you be confabulating? must he be confabulating? must we be confabulating? must you be confabulating? must they be confabulating?
Perfect	V-ing perfect
must I have confabulated? must you have confabulated? must he have confabulated? must we have confabulated? must you have confabulated? must they have confabulated?	must I have been confabulating? must you have been confabulating? must he have been confabulating? must we have been confabulating? must you have been confabulating? must they have been confabulating?

Interro-negative form

Simple form	V-ing form
must I not confabulate? must you not confabulate? must he not confabulate? must we not confabulate? must you not confabulate? must they not confabulate?	must I not be confabulating? must you not be confabulating? must he not be confabulating? must we not be confabulating? must you not be confabulating? must they not be confabulating?
Perfect	V-ing perfect
must I not have confabulated? must you not have confabulated? must he not have confabulated? must we not have confabulated? must you not have confabulated? must they not have confabulated?	must I not have been confabulating? must you not have been confabulating? must he not have been confabulating? must we not have been confabulating? must you not have been confabulating? must they not have been confabulating?