English verb conjugation
MUST METASTASISE

Regular verb: metastasise - metastasised - metastasised

Affirmation

Simple form	V-ing form
I must metastasise you must metastasise he must metastasise we must metastasise you must metastasise they must metastasise	I must be metastasising you must be metastasising he must be metastasising we must be metastasising you must be metastasising they must be metastasising
Perfect	V-ing perfect
I must have metastasised you must have metastasised he must have metastasised we must have metastasised you must have metastasised they must have metastasised	I must have been metastasising you must have been metastasising he must have been metastasising we must have been metastasising you must have been metastasising they must have been metastasising

Negation

Simple form	V-ing form
I must not metastasise you must not metastasise he must not metastasise we must not metastasise you must not metastasise they must not metastasise	I must not be metastasising you must not be metastasising he must not be metastasising we must not be metastasising you must not be metastasising they must not be metastasising
Perfect	V-ing perfect
I must not have metastasised you must not have metastasised he must not have metastasised we must not have metastasised you must not have metastasised they must not have metastasised	I must not have been metastasising you must not have been metastasising he must not have been metastasising we must not have been metastasising you must not have been metastasising they must not have been metastasising

Interrogative form

Simple form	V-ing form
must I metastasise? must you metastasise? must he metastasise? must we metastasise? must you metastasise? must they metastasise?	must I be metastasising? must you be metastasising? must he be metastasising? must we be metastasising? must you be metastasising? must they be metastasising?
Perfect	V-ing perfect
must I have metastasised? must you have metastasised? must he have metastasised? must we have metastasised? must you have metastasised? must they have metastasised?	must I have been metastasising? must you have been metastasising? must he have been metastasising? must we have been metastasising? must you have been metastasising? must they have been metastasising?

Interro-negative form

Simple form	V-ing form
must I not metastasise? must you not metastasise? must he not metastasise? must we not metastasise? must you not metastasise? must they not metastasise?	must I not be metastasising? must you not be metastasising? must he not be metastasising? must we not be metastasising? must you not be metastasising? must they not be metastasising?
Perfect	V-ing perfect
must I not have metastasised? must you not have metastasised? must he not have metastasised? must we not have metastasised? must you not have metastasised? must they not have metastasised?	must I not have been metastasising? must you not have been metastasising? must he not have been metastasising? must we not have been metastasising? must you not have been metastasising? must they not have been metastasising?