English verb conjugation
MUST CLARIFY

Regular verb: clarify - clarified - clarified

Affirmation

Simple form	V-ing form
I must clarify you must clarify he must clarify we must clarify you must clarify they must clarify	I must be clarifying you must be clarifying he must be clarifying we must be clarifying you must be clarifying they must be clarifying
Perfect	V-ing perfect
I must have clarified you must have clarified he must have clarified we must have clarified you must have clarified they must have clarified	I must have been clarifying you must have been clarifying he must have been clarifying we must have been clarifying you must have been clarifying they must have been clarifying

Negation

Simple form	V-ing form
I mustn't clarify you mustn't clarify he mustn't clarify we mustn't clarify you mustn't clarify they mustn't clarify	I mustn't be clarifying you mustn't be clarifying he mustn't be clarifying we mustn't be clarifying you mustn't be clarifying they mustn't be clarifying
Perfect	V-ing perfect
I mustn't have clarified you mustn't have clarified he mustn't have clarified we mustn't have clarified you mustn't have clarified they mustn't have clarified	I mustn't have been clarifying you mustn't have been clarifying he mustn't have been clarifying we mustn't have been clarifying you mustn't have been clarifying they mustn't have been clarifying

Interrogative form

Simple form	V-ing form
must I clarify? must you clarify? must he clarify? must we clarify? must you clarify? must they clarify?	must I be clarifying? must you be clarifying? must he be clarifying? must we be clarifying? must you be clarifying? must they be clarifying?
Perfect	V-ing perfect
must I have clarified? must you have clarified? must he have clarified? must we have clarified? must you have clarified? must they have clarified?	must I have been clarifying? must you have been clarifying? must he have been clarifying? must we have been clarifying? must you have been clarifying? must they have been clarifying?

Interro-negative form

Simple form	V-ing form
mustn't I clarify? mustn't you clarify? mustn't he clarify? mustn't we clarify? mustn't you clarify? mustn't they clarify?	mustn't I be clarifying? mustn't you be clarifying? mustn't he be clarifying? mustn't we be clarifying? mustn't you be clarifying? mustn't they be clarifying?
Perfect	V-ing perfect
mustn't I have clarified? mustn't you have clarified? mustn't he have clarified? mustn't we have clarified? mustn't you have clarified? mustn't they have clarified?	mustn't I have been clarifying? mustn't you have been clarifying? mustn't he have been clarifying? mustn't we have been clarifying? mustn't you have been clarifying? mustn't they have been clarifying?