English verb conjugation
MUST DISAGREE

Regular verb: disagree - disagreed - disagreed

Affirmation

Simple form	V-ing form
I must disagree you must disagree he must disagree we must disagree you must disagree they must disagree	I must be disagreeing you must be disagreeing he must be disagreeing we must be disagreeing you must be disagreeing they must be disagreeing
Perfect	V-ing perfect
I must have disagreed you must have disagreed he must have disagreed we must have disagreed you must have disagreed they must have disagreed	I must have been disagreeing you must have been disagreeing he must have been disagreeing we must have been disagreeing you must have been disagreeing they must have been disagreeing

Negation

Simple form	V-ing form
I must not disagree you must not disagree he must not disagree we must not disagree you must not disagree they must not disagree	I must not be disagreeing you must not be disagreeing he must not be disagreeing we must not be disagreeing you must not be disagreeing they must not be disagreeing
Perfect	V-ing perfect
I must not have disagreed you must not have disagreed he must not have disagreed we must not have disagreed you must not have disagreed they must not have disagreed	I must not have been disagreeing you must not have been disagreeing he must not have been disagreeing we must not have been disagreeing you must not have been disagreeing they must not have been disagreeing

Interrogative form

Simple form	V-ing form
must I disagree? must you disagree? must he disagree? must we disagree? must you disagree? must they disagree?	must I be disagreeing? must you be disagreeing? must he be disagreeing? must we be disagreeing? must you be disagreeing? must they be disagreeing?
Perfect	V-ing perfect
must I have disagreed? must you have disagreed? must he have disagreed? must we have disagreed? must you have disagreed? must they have disagreed?	must I have been disagreeing? must you have been disagreeing? must he have been disagreeing? must we have been disagreeing? must you have been disagreeing? must they have been disagreeing?

Interro-negative form

Simple form	V-ing form
must I not disagree? must you not disagree? must he not disagree? must we not disagree? must you not disagree? must they not disagree?	must I not be disagreeing? must you not be disagreeing? must he not be disagreeing? must we not be disagreeing? must you not be disagreeing? must they not be disagreeing?
Perfect	V-ing perfect
must I not have disagreed? must you not have disagreed? must he not have disagreed? must we not have disagreed? must you not have disagreed? must they not have disagreed?	must I not have been disagreeing? must you not have been disagreeing? must he not have been disagreeing? must we not have been disagreeing? must you not have been disagreeing? must they not have been disagreeing?