English verb conjugation
MUST VERIFY

Regular verb: verify - verified - verified

Affirmation

Simple form	V-ing form
I must verify you must verify he must verify we must verify you must verify they must verify	I must be verifying you must be verifying he must be verifying we must be verifying you must be verifying they must be verifying
Perfect	V-ing perfect
I must have verified you must have verified he must have verified we must have verified you must have verified they must have verified	I must have been verifying you must have been verifying he must have been verifying we must have been verifying you must have been verifying they must have been verifying

Negation

Simple form	V-ing form
I mustn't verify you mustn't verify he mustn't verify we mustn't verify you mustn't verify they mustn't verify	I mustn't be verifying you mustn't be verifying he mustn't be verifying we mustn't be verifying you mustn't be verifying they mustn't be verifying
Perfect	V-ing perfect
I mustn't have verified you mustn't have verified he mustn't have verified we mustn't have verified you mustn't have verified they mustn't have verified	I mustn't have been verifying you mustn't have been verifying he mustn't have been verifying we mustn't have been verifying you mustn't have been verifying they mustn't have been verifying

Interrogative form

Simple form	V-ing form
must I verify? must you verify? must he verify? must we verify? must you verify? must they verify?	must I be verifying? must you be verifying? must he be verifying? must we be verifying? must you be verifying? must they be verifying?
Perfect	V-ing perfect
must I have verified? must you have verified? must he have verified? must we have verified? must you have verified? must they have verified?	must I have been verifying? must you have been verifying? must he have been verifying? must we have been verifying? must you have been verifying? must they have been verifying?

Interro-negative form

Simple form	V-ing form
mustn't I verify? mustn't you verify? mustn't he verify? mustn't we verify? mustn't you verify? mustn't they verify?	mustn't I be verifying? mustn't you be verifying? mustn't he be verifying? mustn't we be verifying? mustn't you be verifying? mustn't they be verifying?
Perfect	V-ing perfect
mustn't I have verified? mustn't you have verified? mustn't he have verified? mustn't we have verified? mustn't you have verified? mustn't they have verified?	mustn't I have been verifying? mustn't you have been verifying? mustn't he have been verifying? mustn't we have been verifying? mustn't you have been verifying? mustn't they have been verifying?