English verb conjugation
MUST METASTASIZE

Regular verb: metastasize - metastasized - metastasized

Affirmation

Simple form	V-ing form
I must metastasize you must metastasize he must metastasize we must metastasize you must metastasize they must metastasize	I must be metastasizing you must be metastasizing he must be metastasizing we must be metastasizing you must be metastasizing they must be metastasizing
Perfect	V-ing perfect
I must have metastasized you must have metastasized he must have metastasized we must have metastasized you must have metastasized they must have metastasized	I must have been metastasizing you must have been metastasizing he must have been metastasizing we must have been metastasizing you must have been metastasizing they must have been metastasizing

Negation

Simple form	V-ing form
I must not metastasize you must not metastasize he must not metastasize we must not metastasize you must not metastasize they must not metastasize	I must not be metastasizing you must not be metastasizing he must not be metastasizing we must not be metastasizing you must not be metastasizing they must not be metastasizing
Perfect	V-ing perfect
I must not have metastasized you must not have metastasized he must not have metastasized we must not have metastasized you must not have metastasized they must not have metastasized	I must not have been metastasizing you must not have been metastasizing he must not have been metastasizing we must not have been metastasizing you must not have been metastasizing they must not have been metastasizing

Interrogative form

Simple form	V-ing form
must I metastasize? must you metastasize? must he metastasize? must we metastasize? must you metastasize? must they metastasize?	must I be metastasizing? must you be metastasizing? must he be metastasizing? must we be metastasizing? must you be metastasizing? must they be metastasizing?
Perfect	V-ing perfect
must I have metastasized? must you have metastasized? must he have metastasized? must we have metastasized? must you have metastasized? must they have metastasized?	must I have been metastasizing? must you have been metastasizing? must he have been metastasizing? must we have been metastasizing? must you have been metastasizing? must they have been metastasizing?

Interro-negative form

Simple form	V-ing form
must I not metastasize? must you not metastasize? must he not metastasize? must we not metastasize? must you not metastasize? must they not metastasize?	must I not be metastasizing? must you not be metastasizing? must he not be metastasizing? must we not be metastasizing? must you not be metastasizing? must they not be metastasizing?
Perfect	V-ing perfect
must I not have metastasized? must you not have metastasized? must he not have metastasized? must we not have metastasized? must you not have metastasized? must they not have metastasized?	must I not have been metastasizing? must you not have been metastasizing? must he not have been metastasizing? must we not have been metastasizing? must you not have been metastasizing? must they not have been metastasizing?