English verb conjugation
MUST GOB

Regular verb: gob - gobed - gobed

Affirmation

Simple form	V-ing form
I must gob you must gob she must gob we must gob you must gob they must gob	I must be gobing you must be gobing she must be gobing we must be gobing you must be gobing they must be gobing
Perfect	V-ing perfect
I must have gobed you must have gobed she must have gobed we must have gobed you must have gobed they must have gobed	I must have been gobing you must have been gobing she must have been gobing we must have been gobing you must have been gobing they must have been gobing

Negation

Simple form	V-ing form
I mustn't gob you mustn't gob she mustn't gob we mustn't gob you mustn't gob they mustn't gob	I mustn't be gobing you mustn't be gobing she mustn't be gobing we mustn't be gobing you mustn't be gobing they mustn't be gobing
Perfect	V-ing perfect
I mustn't have gobed you mustn't have gobed she mustn't have gobed we mustn't have gobed you mustn't have gobed they mustn't have gobed	I mustn't have been gobing you mustn't have been gobing she mustn't have been gobing we mustn't have been gobing you mustn't have been gobing they mustn't have been gobing

Interrogative form

Simple form	V-ing form
must I gob? must you gob? must she gob? must we gob? must you gob? must they gob?	must I be gobing? must you be gobing? must she be gobing? must we be gobing? must you be gobing? must they be gobing?
Perfect	V-ing perfect
must I have gobed? must you have gobed? must she have gobed? must we have gobed? must you have gobed? must they have gobed?	must I have been gobing? must you have been gobing? must she have been gobing? must we have been gobing? must you have been gobing? must they have been gobing?

Interro-negative form

Simple form	V-ing form
mustn't I gob? mustn't you gob? mustn't she gob? mustn't we gob? mustn't you gob? mustn't they gob?	mustn't I be gobing? mustn't you be gobing? mustn't she be gobing? mustn't we be gobing? mustn't you be gobing? mustn't they be gobing?
Perfect	V-ing perfect
mustn't I have gobed? mustn't you have gobed? mustn't she have gobed? mustn't we have gobed? mustn't you have gobed? mustn't they have gobed?	mustn't I have been gobing? mustn't you have been gobing? mustn't she have been gobing? mustn't we have been gobing? mustn't you have been gobing? mustn't they have been gobing?