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 mustn't destroy you mustn't destroy he mustn't destroy we mustn't destroy you mustn't destroy they mustn't destroy	I mustn't be destroying you mustn't be destroying he mustn't be destroying we mustn't be destroying you mustn't be destroying they mustn't be destroying
Perfect	V-ing perfect
I mustn't have destroyed you mustn't have destroyed he mustn't have destroyed we mustn't have destroyed you mustn't have destroyed they mustn't have destroyed	I mustn't have been destroying you mustn't have been destroying he mustn't have been destroying we mustn't have been destroying you mustn't have been destroying they mustn't 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
mustn't I destroy? mustn't you destroy? mustn't he destroy? mustn't we destroy? mustn't you destroy? mustn't they destroy?	mustn't I be destroying? mustn't you be destroying? mustn't he be destroying? mustn't we be destroying? mustn't you be destroying? mustn't they be destroying?
Perfect	V-ing perfect
mustn't I have destroyed? mustn't you have destroyed? mustn't he have destroyed? mustn't we have destroyed? mustn't you have destroyed? mustn't they have destroyed?	mustn't I have been destroying? mustn't you have been destroying? mustn't he have been destroying? mustn't we have been destroying? mustn't you have been destroying? mustn't they have been destroying?