English verb conjugation
MUST SHOWCASE

Regular verb: showcase - showcased - showcased

Affirmation

Simple form	V-ing form
I must showcase you must showcase she must showcase we must showcase you must showcase they must showcase	I must be showcasing you must be showcasing she 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 she 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 she 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 she 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 she 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 she 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 she 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 she showcase? must we showcase? must you showcase? must they showcase?	must I be showcasing? must you be showcasing? must she 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 she 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 she 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 she 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 she 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 she 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 she not have been showcasing? must we not have been showcasing? must you not have been showcasing? must they not have been showcasing?