English verb conjugation
MUST FUZZ

Regular verb: fuzz - fuzzed - fuzzed

Affirmation

Simple form	V-ing form
I must fuzz you must fuzz she must fuzz we must fuzz you must fuzz they must fuzz	I must be fuzzing you must be fuzzing she must be fuzzing we must be fuzzing you must be fuzzing they must be fuzzing
Perfect	V-ing perfect
I must have fuzzed you must have fuzzed she must have fuzzed we must have fuzzed you must have fuzzed they must have fuzzed	I must have been fuzzing you must have been fuzzing she must have been fuzzing we must have been fuzzing you must have been fuzzing they must have been fuzzing

Negation

Simple form	V-ing form
I mustn't fuzz you mustn't fuzz she mustn't fuzz we mustn't fuzz you mustn't fuzz they mustn't fuzz	I mustn't be fuzzing you mustn't be fuzzing she mustn't be fuzzing we mustn't be fuzzing you mustn't be fuzzing they mustn't be fuzzing
Perfect	V-ing perfect
I mustn't have fuzzed you mustn't have fuzzed she mustn't have fuzzed we mustn't have fuzzed you mustn't have fuzzed they mustn't have fuzzed	I mustn't have been fuzzing you mustn't have been fuzzing she mustn't have been fuzzing we mustn't have been fuzzing you mustn't have been fuzzing they mustn't have been fuzzing

Interrogative form

Simple form	V-ing form
must I fuzz? must you fuzz? must she fuzz? must we fuzz? must you fuzz? must they fuzz?	must I be fuzzing? must you be fuzzing? must she be fuzzing? must we be fuzzing? must you be fuzzing? must they be fuzzing?
Perfect	V-ing perfect
must I have fuzzed? must you have fuzzed? must she have fuzzed? must we have fuzzed? must you have fuzzed? must they have fuzzed?	must I have been fuzzing? must you have been fuzzing? must she have been fuzzing? must we have been fuzzing? must you have been fuzzing? must they have been fuzzing?

Interro-negative form

Simple form	V-ing form
mustn't I fuzz? mustn't you fuzz? mustn't she fuzz? mustn't we fuzz? mustn't you fuzz? mustn't they fuzz?	mustn't I be fuzzing? mustn't you be fuzzing? mustn't she be fuzzing? mustn't we be fuzzing? mustn't you be fuzzing? mustn't they be fuzzing?
Perfect	V-ing perfect
mustn't I have fuzzed? mustn't you have fuzzed? mustn't she have fuzzed? mustn't we have fuzzed? mustn't you have fuzzed? mustn't they have fuzzed?	mustn't I have been fuzzing? mustn't you have been fuzzing? mustn't she have been fuzzing? mustn't we have been fuzzing? mustn't you have been fuzzing? mustn't they have been fuzzing?