English verb conjugation
MUST DIN

Regular verb: din - dinned - dinned

Affirmation

Simple form	V-ing form
I must din you must din he must din we must din you must din they must din	I must be dinning you must be dinning he must be dinning we must be dinning you must be dinning they must be dinning
Perfect	V-ing perfect
I must have dinned you must have dinned he must have dinned we must have dinned you must have dinned they must have dinned	I must have been dinning you must have been dinning he must have been dinning we must have been dinning you must have been dinning they must have been dinning

Negation

Simple form	V-ing form
I must not din you must not din he must not din we must not din you must not din they must not din	I must not be dinning you must not be dinning he must not be dinning we must not be dinning you must not be dinning they must not be dinning
Perfect	V-ing perfect
I must not have dinned you must not have dinned he must not have dinned we must not have dinned you must not have dinned they must not have dinned	I must not have been dinning you must not have been dinning he must not have been dinning we must not have been dinning you must not have been dinning they must not have been dinning

Interrogative form

Simple form	V-ing form
must I din? must you din? must he din? must we din? must you din? must they din?	must I be dinning? must you be dinning? must he be dinning? must we be dinning? must you be dinning? must they be dinning?
Perfect	V-ing perfect
must I have dinned? must you have dinned? must he have dinned? must we have dinned? must you have dinned? must they have dinned?	must I have been dinning? must you have been dinning? must he have been dinning? must we have been dinning? must you have been dinning? must they have been dinning?

Interro-negative form

Simple form	V-ing form
must I not din? must you not din? must he not din? must we not din? must you not din? must they not din?	must I not be dinning? must you not be dinning? must he not be dinning? must we not be dinning? must you not be dinning? must they not be dinning?
Perfect	V-ing perfect
must I not have dinned? must you not have dinned? must he not have dinned? must we not have dinned? must you not have dinned? must they not have dinned?	must I not have been dinning? must you not have been dinning? must he not have been dinning? must we not have been dinning? must you not have been dinning? must they not have been dinning?