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 must not verify you must not verify he must not verify we must not verify you must not verify they must not verify	I must not be verifying you must not be verifying he must not be verifying we must not be verifying you must not be verifying they must not be verifying
Perfect	V-ing perfect
I must not have verified you must not have verified he must not have verified we must not have verified you must not have verified they must not have verified	I must not have been verifying you must not have been verifying he must not have been verifying we must not have been verifying you must not have been verifying they must not 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
must I not verify? must you not verify? must he not verify? must we not verify? must you not verify? must they not verify?	must I not be verifying? must you not be verifying? must he not be verifying? must we not be verifying? must you not be verifying? must they not be verifying?
Perfect	V-ing perfect
must I not have verified? must you not have verified? must he not have verified? must we not have verified? must you not have verified? must they not have verified?	must I not have been verifying? must you not have been verifying? must he not have been verifying? must we not have been verifying? must you not have been verifying? must they not have been verifying?