English verb conjugation
MUST WHIZ

Regular verb: whiz - whized - whized

Affirmation

Simple form	V-ing form
I must whiz you must whiz he must whiz we must whiz you must whiz they must whiz	I must be whizing you must be whizing he must be whizing we must be whizing you must be whizing they must be whizing
Perfect	V-ing perfect
I must have whized you must have whized he must have whized we must have whized you must have whized they must have whized	I must have been whizing you must have been whizing he must have been whizing we must have been whizing you must have been whizing they must have been whizing

Negation

Simple form	V-ing form
I must not whiz you must not whiz he must not whiz we must not whiz you must not whiz they must not whiz	I must not be whizing you must not be whizing he must not be whizing we must not be whizing you must not be whizing they must not be whizing
Perfect	V-ing perfect
I must not have whized you must not have whized he must not have whized we must not have whized you must not have whized they must not have whized	I must not have been whizing you must not have been whizing he must not have been whizing we must not have been whizing you must not have been whizing they must not have been whizing

Interrogative form

Simple form	V-ing form
must I whiz? must you whiz? must he whiz? must we whiz? must you whiz? must they whiz?	must I be whizing? must you be whizing? must he be whizing? must we be whizing? must you be whizing? must they be whizing?
Perfect	V-ing perfect
must I have whized? must you have whized? must he have whized? must we have whized? must you have whized? must they have whized?	must I have been whizing? must you have been whizing? must he have been whizing? must we have been whizing? must you have been whizing? must they have been whizing?

Interro-negative form

Simple form	V-ing form
must I not whiz? must you not whiz? must he not whiz? must we not whiz? must you not whiz? must they not whiz?	must I not be whizing? must you not be whizing? must he not be whizing? must we not be whizing? must you not be whizing? must they not be whizing?
Perfect	V-ing perfect
must I not have whized? must you not have whized? must he not have whized? must we not have whized? must you not have whized? must they not have whized?	must I not have been whizing? must you not have been whizing? must he not have been whizing? must we not have been whizing? must you not have been whizing? must they not have been whizing?