English verb conjugation
MUST DELETE

Regular verb: delete - deleted - deleted

Affirmation

Simple form	V-ing form
I must delete you must delete he must delete we must delete you must delete they must delete	I must be deleting you must be deleting he must be deleting we must be deleting you must be deleting they must be deleting
Perfect	V-ing perfect
I must have deleted you must have deleted he must have deleted we must have deleted you must have deleted they must have deleted	I must have been deleting you must have been deleting he must have been deleting we must have been deleting you must have been deleting they must have been deleting

Negation

Simple form	V-ing form
I must not delete you must not delete he must not delete we must not delete you must not delete they must not delete	I must not be deleting you must not be deleting he must not be deleting we must not be deleting you must not be deleting they must not be deleting
Perfect	V-ing perfect
I must not have deleted you must not have deleted he must not have deleted we must not have deleted you must not have deleted they must not have deleted	I must not have been deleting you must not have been deleting he must not have been deleting we must not have been deleting you must not have been deleting they must not have been deleting

Interrogative form

Simple form	V-ing form
must I delete? must you delete? must he delete? must we delete? must you delete? must they delete?	must I be deleting? must you be deleting? must he be deleting? must we be deleting? must you be deleting? must they be deleting?
Perfect	V-ing perfect
must I have deleted? must you have deleted? must he have deleted? must we have deleted? must you have deleted? must they have deleted?	must I have been deleting? must you have been deleting? must he have been deleting? must we have been deleting? must you have been deleting? must they have been deleting?

Interro-negative form

Simple form	V-ing form
must I not delete? must you not delete? must he not delete? must we not delete? must you not delete? must they not delete?	must I not be deleting? must you not be deleting? must he not be deleting? must we not be deleting? must you not be deleting? must they not be deleting?
Perfect	V-ing perfect
must I not have deleted? must you not have deleted? must he not have deleted? must we not have deleted? must you not have deleted? must they not have deleted?	must I not have been deleting? must you not have been deleting? must he not have been deleting? must we not have been deleting? must you not have been deleting? must they not have been deleting?