I must porcelainize you must porcelainize he must porcelainize we must porcelainize you must porcelainize they must porcelainize
V-ing form
I must be porcelainizing you must be porcelainizing he must be porcelainizing we must be porcelainizing you must be porcelainizing they must be porcelainizing
Perfect
I must have porcelainized you must have porcelainized he must have porcelainized we must have porcelainized you must have porcelainized they must have porcelainized
V-ing perfect
I must have been porcelainizing you must have been porcelainizing he must have been porcelainizing we must have been porcelainizing you must have been porcelainizing they must have been porcelainizing
Negation
Simple form
I must not porcelainize you must not porcelainize he must not porcelainize we must not porcelainize you must not porcelainize they must not porcelainize
V-ing form
I must not be porcelainizing you must not be porcelainizing he must not be porcelainizing we must not be porcelainizing you must not be porcelainizing they must not be porcelainizing
Perfect
I must not have porcelainized you must not have porcelainized he must not have porcelainized we must not have porcelainized you must not have porcelainized they must not have porcelainized
V-ing perfect
I must not have been porcelainizing you must not have been porcelainizing he must not have been porcelainizing we must not have been porcelainizing you must not have been porcelainizing they must not have been porcelainizing
Interrogative form
Simple form
must I porcelainize? must you porcelainize? must he porcelainize? must we porcelainize? must you porcelainize? must they porcelainize?
V-ing form
must I be porcelainizing? must you be porcelainizing? must he be porcelainizing? must we be porcelainizing? must you be porcelainizing? must they be porcelainizing?
Perfect
must I have porcelainized? must you have porcelainized? must he have porcelainized? must we have porcelainized? must you have porcelainized? must they have porcelainized?
V-ing perfect
must I have been porcelainizing? must you have been porcelainizing? must he have been porcelainizing? must we have been porcelainizing? must you have been porcelainizing? must they have been porcelainizing?
Interro-negative form
Simple form
must I not porcelainize? must you not porcelainize? must he not porcelainize? must we not porcelainize? must you not porcelainize? must they not porcelainize?
V-ing form
must I not be porcelainizing? must you not be porcelainizing? must he not be porcelainizing? must we not be porcelainizing? must you not be porcelainizing? must they not be porcelainizing?
Perfect
must I not have porcelainized? must you not have porcelainized? must he not have porcelainized? must we not have porcelainized? must you not have porcelainized? must they not have porcelainized?
V-ing perfect
must I not have been porcelainizing? must you not have been porcelainizing? must he not have been porcelainizing? must we not have been porcelainizing? must you not have been porcelainizing? must they not have been porcelainizing?