English verb conjugation
MUST SHOWCASE

Regular verb: showcase - showcased - showcased

Affirmation

Simple form	V-ing form
I must showcase you must showcase he must showcase we must showcase you must showcase they must showcase	I must be showcasing you must be showcasing he must be showcasing we must be showcasing you must be showcasing they must be showcasing
Perfect	V-ing perfect
I must have showcased you must have showcased he must have showcased we must have showcased you must have showcased they must have showcased	I must have been showcasing you must have been showcasing he must have been showcasing we must have been showcasing you must have been showcasing they must have been showcasing

Negation

Simple form	V-ing form
I must not showcase you must not showcase he must not showcase we must not showcase you must not showcase they must not showcase	I must not be showcasing you must not be showcasing he must not be showcasing we must not be showcasing you must not be showcasing they must not be showcasing
Perfect	V-ing perfect
I must not have showcased you must not have showcased he must not have showcased we must not have showcased you must not have showcased they must not have showcased	I must not have been showcasing you must not have been showcasing he must not have been showcasing we must not have been showcasing you must not have been showcasing they must not have been showcasing

Interrogative form

Simple form	V-ing form
must I showcase? must you showcase? must he showcase? must we showcase? must you showcase? must they showcase?	must I be showcasing? must you be showcasing? must he be showcasing? must we be showcasing? must you be showcasing? must they be showcasing?
Perfect	V-ing perfect
must I have showcased? must you have showcased? must he have showcased? must we have showcased? must you have showcased? must they have showcased?	must I have been showcasing? must you have been showcasing? must he have been showcasing? must we have been showcasing? must you have been showcasing? must they have been showcasing?

Interro-negative form

Simple form	V-ing form
must I not showcase? must you not showcase? must he not showcase? must we not showcase? must you not showcase? must they not showcase?	must I not be showcasing? must you not be showcasing? must he not be showcasing? must we not be showcasing? must you not be showcasing? must they not be showcasing?
Perfect	V-ing perfect
must I not have showcased? must you not have showcased? must he not have showcased? must we not have showcased? must you not have showcased? must they not have showcased?	must I not have been showcasing? must you not have been showcasing? must he not have been showcasing? must we not have been showcasing? must you not have been showcasing? must they not have been showcasing?