English verb conjugation
MUST WHIZZ

Regular verb: whizz - whizzed - whizzed

Affirmation

Simple form	V-ing form
I must whizz you must whizz she must whizz we must whizz you must whizz they must whizz	I must be whizzing you must be whizzing she must be whizzing we must be whizzing you must be whizzing they must be whizzing
Perfect	V-ing perfect
I must have whizzed you must have whizzed she must have whizzed we must have whizzed you must have whizzed they must have whizzed	I must have been whizzing you must have been whizzing she must have been whizzing we must have been whizzing you must have been whizzing they must have been whizzing

Negation

Simple form	V-ing form
I mustn't whizz you mustn't whizz she mustn't whizz we mustn't whizz you mustn't whizz they mustn't whizz	I mustn't be whizzing you mustn't be whizzing she mustn't be whizzing we mustn't be whizzing you mustn't be whizzing they mustn't be whizzing
Perfect	V-ing perfect
I mustn't have whizzed you mustn't have whizzed she mustn't have whizzed we mustn't have whizzed you mustn't have whizzed they mustn't have whizzed	I mustn't have been whizzing you mustn't have been whizzing she mustn't have been whizzing we mustn't have been whizzing you mustn't have been whizzing they mustn't have been whizzing

Interrogative form

Simple form	V-ing form
must I whizz? must you whizz? must she whizz? must we whizz? must you whizz? must they whizz?	must I be whizzing? must you be whizzing? must she be whizzing? must we be whizzing? must you be whizzing? must they be whizzing?
Perfect	V-ing perfect
must I have whizzed? must you have whizzed? must she have whizzed? must we have whizzed? must you have whizzed? must they have whizzed?	must I have been whizzing? must you have been whizzing? must she have been whizzing? must we have been whizzing? must you have been whizzing? must they have been whizzing?

Interro-negative form

Simple form	V-ing form
mustn't I whizz? mustn't you whizz? mustn't she whizz? mustn't we whizz? mustn't you whizz? mustn't they whizz?	mustn't I be whizzing? mustn't you be whizzing? mustn't she be whizzing? mustn't we be whizzing? mustn't you be whizzing? mustn't they be whizzing?
Perfect	V-ing perfect
mustn't I have whizzed? mustn't you have whizzed? mustn't she have whizzed? mustn't we have whizzed? mustn't you have whizzed? mustn't they have whizzed?	mustn't I have been whizzing? mustn't you have been whizzing? mustn't she have been whizzing? mustn't we have been whizzing? mustn't you have been whizzing? mustn't they have been whizzing?