English verb conjugation
MUST GO

Irregular verb: go - went - gone

Affirmation

Simple form	V-ing form
I must go you must go she must go we must go you must go they must go	I must be going you must be going she must be going we must be going you must be going they must be going
Perfect	V-ing perfect
I must have gone you must have gone she must have gone we must have gone you must have gone they must have gone	I must have been going you must have been going she must have been going we must have been going you must have been going they must have been going

Negation

Simple form	V-ing form
I mustn't go you mustn't go she mustn't go we mustn't go you mustn't go they mustn't go	I mustn't be going you mustn't be going she mustn't be going we mustn't be going you mustn't be going they mustn't be going
Perfect	V-ing perfect
I mustn't have gone you mustn't have gone she mustn't have gone we mustn't have gone you mustn't have gone they mustn't have gone	I mustn't have been going you mustn't have been going she mustn't have been going we mustn't have been going you mustn't have been going they mustn't have been going

Interrogative form

Simple form	V-ing form
must I go? must you go? must she go? must we go? must you go? must they go?	must I be going? must you be going? must she be going? must we be going? must you be going? must they be going?
Perfect	V-ing perfect
must I have gone? must you have gone? must she have gone? must we have gone? must you have gone? must they have gone?	must I have been going? must you have been going? must she have been going? must we have been going? must you have been going? must they have been going?

Interro-negative form

Simple form	V-ing form
mustn't I go? mustn't you go? mustn't she go? mustn't we go? mustn't you go? mustn't they go?	mustn't I be going? mustn't you be going? mustn't she be going? mustn't we be going? mustn't you be going? mustn't they be going?
Perfect	V-ing perfect
mustn't I have gone? mustn't you have gone? mustn't she have gone? mustn't we have gone? mustn't you have gone? mustn't they have gone?	mustn't I have been going? mustn't you have been going? mustn't she have been going? mustn't we have been going? mustn't you have been going? mustn't they have been going?