English verb conjugation
MUST DISTURB

Regular verb: disturb - disturbed - disturbed

Affirmation

Simple form	V-ing form
I must disturb you must disturb he must disturb we must disturb you must disturb they must disturb	I must be disturbing you must be disturbing he must be disturbing we must be disturbing you must be disturbing they must be disturbing
Perfect	V-ing perfect
I must have disturbed you must have disturbed he must have disturbed we must have disturbed you must have disturbed they must have disturbed	I must have been disturbing you must have been disturbing he must have been disturbing we must have been disturbing you must have been disturbing they must have been disturbing

Negation

Simple form	V-ing form
I must not disturb you must not disturb he must not disturb we must not disturb you must not disturb they must not disturb	I must not be disturbing you must not be disturbing he must not be disturbing we must not be disturbing you must not be disturbing they must not be disturbing
Perfect	V-ing perfect
I must not have disturbed you must not have disturbed he must not have disturbed we must not have disturbed you must not have disturbed they must not have disturbed	I must not have been disturbing you must not have been disturbing he must not have been disturbing we must not have been disturbing you must not have been disturbing they must not have been disturbing

Interrogative form

Simple form	V-ing form
must I disturb? must you disturb? must he disturb? must we disturb? must you disturb? must they disturb?	must I be disturbing? must you be disturbing? must he be disturbing? must we be disturbing? must you be disturbing? must they be disturbing?
Perfect	V-ing perfect
must I have disturbed? must you have disturbed? must he have disturbed? must we have disturbed? must you have disturbed? must they have disturbed?	must I have been disturbing? must you have been disturbing? must he have been disturbing? must we have been disturbing? must you have been disturbing? must they have been disturbing?

Interro-negative form

Simple form	V-ing form
must I not disturb? must you not disturb? must he not disturb? must we not disturb? must you not disturb? must they not disturb?	must I not be disturbing? must you not be disturbing? must he not be disturbing? must we not be disturbing? must you not be disturbing? must they not be disturbing?
Perfect	V-ing perfect
must I not have disturbed? must you not have disturbed? must he not have disturbed? must we not have disturbed? must you not have disturbed? must they not have disturbed?	must I not have been disturbing? must you not have been disturbing? must he not have been disturbing? must we not have been disturbing? must you not have been disturbing? must they not have been disturbing?