English verb conjugation
MUST DESTROY

Regular verb: destroy - destroyed - destroyed

Affirmation

Simple form	V-ing form
I must destroy you must destroy he must destroy we must destroy you must destroy they must destroy	I must be destroying you must be destroying he must be destroying we must be destroying you must be destroying they must be destroying
Perfect	V-ing perfect
I must have destroyed you must have destroyed he must have destroyed we must have destroyed you must have destroyed they must have destroyed	I must have been destroying you must have been destroying he must have been destroying we must have been destroying you must have been destroying they must have been destroying

Negation

Simple form	V-ing form
I must not destroy you must not destroy he must not destroy we must not destroy you must not destroy they must not destroy	I must not be destroying you must not be destroying he must not be destroying we must not be destroying you must not be destroying they must not be destroying
Perfect	V-ing perfect
I must not have destroyed you must not have destroyed he must not have destroyed we must not have destroyed you must not have destroyed they must not have destroyed	I must not have been destroying you must not have been destroying he must not have been destroying we must not have been destroying you must not have been destroying they must not have been destroying

Interrogative form

Simple form	V-ing form
must I destroy? must you destroy? must he destroy? must we destroy? must you destroy? must they destroy?	must I be destroying? must you be destroying? must he be destroying? must we be destroying? must you be destroying? must they be destroying?
Perfect	V-ing perfect
must I have destroyed? must you have destroyed? must he have destroyed? must we have destroyed? must you have destroyed? must they have destroyed?	must I have been destroying? must you have been destroying? must he have been destroying? must we have been destroying? must you have been destroying? must they have been destroying?

Interro-negative form

Simple form	V-ing form
must I not destroy? must you not destroy? must he not destroy? must we not destroy? must you not destroy? must they not destroy?	must I not be destroying? must you not be destroying? must he not be destroying? must we not be destroying? must you not be destroying? must they not be destroying?
Perfect	V-ing perfect
must I not have destroyed? must you not have destroyed? must he not have destroyed? must we not have destroyed? must you not have destroyed? must they not have destroyed?	must I not have been destroying? must you not have been destroying? must he not have been destroying? must we not have been destroying? must you not have been destroying? must they not have been destroying?