English verb conjugation
MUST GAB GAB

Regular verb: gab gab - gab gabed - gab gabed

Warning, this verb may not exist. Conjugation is given as example.

Affirmation

Simple form	V-ing form
I must gab gab you must gab gab he must gab gab we must gab gab you must gab gab they must gab gab	I must be gab gabing you must be gab gabing he must be gab gabing we must be gab gabing you must be gab gabing they must be gab gabing
Perfect	V-ing perfect
I must have gab gabed you must have gab gabed he must have gab gabed we must have gab gabed you must have gab gabed they must have gab gabed	I must have been gab gabing you must have been gab gabing he must have been gab gabing we must have been gab gabing you must have been gab gabing they must have been gab gabing

Negation

Simple form	V-ing form
I mustn't gab gab you mustn't gab gab he mustn't gab gab we mustn't gab gab you mustn't gab gab they mustn't gab gab	I mustn't be gab gabing you mustn't be gab gabing he mustn't be gab gabing we mustn't be gab gabing you mustn't be gab gabing they mustn't be gab gabing
Perfect	V-ing perfect
I mustn't have gab gabed you mustn't have gab gabed he mustn't have gab gabed we mustn't have gab gabed you mustn't have gab gabed they mustn't have gab gabed	I mustn't have been gab gabing you mustn't have been gab gabing he mustn't have been gab gabing we mustn't have been gab gabing you mustn't have been gab gabing they mustn't have been gab gabing

Interrogative form

Simple form	V-ing form
must I gab gab? must you gab gab? must he gab gab? must we gab gab? must you gab gab? must they gab gab?	must I be gab gabing? must you be gab gabing? must he be gab gabing? must we be gab gabing? must you be gab gabing? must they be gab gabing?
Perfect	V-ing perfect
must I have gab gabed? must you have gab gabed? must he have gab gabed? must we have gab gabed? must you have gab gabed? must they have gab gabed?	must I have been gab gabing? must you have been gab gabing? must he have been gab gabing? must we have been gab gabing? must you have been gab gabing? must they have been gab gabing?

Interro-negative form

Simple form	V-ing form
mustn't I gab gab? mustn't you gab gab? mustn't he gab gab? mustn't we gab gab? mustn't you gab gab? mustn't they gab gab?	mustn't I be gab gabing? mustn't you be gab gabing? mustn't he be gab gabing? mustn't we be gab gabing? mustn't you be gab gabing? mustn't they be gab gabing?
Perfect	V-ing perfect
mustn't I have gab gabed? mustn't you have gab gabed? mustn't he have gab gabed? mustn't we have gab gabed? mustn't you have gab gabed? mustn't they have gab gabed?	mustn't I have been gab gabing? mustn't you have been gab gabing? mustn't he have been gab gabing? mustn't we have been gab gabing? mustn't you have been gab gabing? mustn't they have been gab gabing?