English verb conjugation
MUST ASSERT

Regular verb: assert - asserted - asserted

Affirmation

Simple form	V-ing form
I must assert you must assert he must assert we must assert you must assert they must assert	I must be asserting you must be asserting he must be asserting we must be asserting you must be asserting they must be asserting
Perfect	V-ing perfect
I must have asserted you must have asserted he must have asserted we must have asserted you must have asserted they must have asserted	I must have been asserting you must have been asserting he must have been asserting we must have been asserting you must have been asserting they must have been asserting

Negation

Simple form	V-ing form
I mustn't assert you mustn't assert he mustn't assert we mustn't assert you mustn't assert they mustn't assert	I mustn't be asserting you mustn't be asserting he mustn't be asserting we mustn't be asserting you mustn't be asserting they mustn't be asserting
Perfect	V-ing perfect
I mustn't have asserted you mustn't have asserted he mustn't have asserted we mustn't have asserted you mustn't have asserted they mustn't have asserted	I mustn't have been asserting you mustn't have been asserting he mustn't have been asserting we mustn't have been asserting you mustn't have been asserting they mustn't have been asserting

Interrogative form

Simple form	V-ing form
must I assert? must you assert? must he assert? must we assert? must you assert? must they assert?	must I be asserting? must you be asserting? must he be asserting? must we be asserting? must you be asserting? must they be asserting?
Perfect	V-ing perfect
must I have asserted? must you have asserted? must he have asserted? must we have asserted? must you have asserted? must they have asserted?	must I have been asserting? must you have been asserting? must he have been asserting? must we have been asserting? must you have been asserting? must they have been asserting?

Interro-negative form

Simple form	V-ing form
mustn't I assert? mustn't you assert? mustn't he assert? mustn't we assert? mustn't you assert? mustn't they assert?	mustn't I be asserting? mustn't you be asserting? mustn't he be asserting? mustn't we be asserting? mustn't you be asserting? mustn't they be asserting?
Perfect	V-ing perfect
mustn't I have asserted? mustn't you have asserted? mustn't he have asserted? mustn't we have asserted? mustn't you have asserted? mustn't they have asserted?	mustn't I have been asserting? mustn't you have been asserting? mustn't he have been asserting? mustn't we have been asserting? mustn't you have been asserting? mustn't they have been asserting?