English verb conjugation
MUST INTENSIFY

Regular verb: intensify - intensified - intensified

Affirmation

Simple form	V-ing form
I must intensify you must intensify he must intensify we must intensify you must intensify they must intensify	I must be intensifying you must be intensifying he must be intensifying we must be intensifying you must be intensifying they must be intensifying
Perfect	V-ing perfect
I must have intensified you must have intensified he must have intensified we must have intensified you must have intensified they must have intensified	I must have been intensifying you must have been intensifying he must have been intensifying we must have been intensifying you must have been intensifying they must have been intensifying

Negation

Simple form	V-ing form
I mustn't intensify you mustn't intensify he mustn't intensify we mustn't intensify you mustn't intensify they mustn't intensify	I mustn't be intensifying you mustn't be intensifying he mustn't be intensifying we mustn't be intensifying you mustn't be intensifying they mustn't be intensifying
Perfect	V-ing perfect
I mustn't have intensified you mustn't have intensified he mustn't have intensified we mustn't have intensified you mustn't have intensified they mustn't have intensified	I mustn't have been intensifying you mustn't have been intensifying he mustn't have been intensifying we mustn't have been intensifying you mustn't have been intensifying they mustn't have been intensifying

Interrogative form

Simple form	V-ing form
must I intensify? must you intensify? must he intensify? must we intensify? must you intensify? must they intensify?	must I be intensifying? must you be intensifying? must he be intensifying? must we be intensifying? must you be intensifying? must they be intensifying?
Perfect	V-ing perfect
must I have intensified? must you have intensified? must he have intensified? must we have intensified? must you have intensified? must they have intensified?	must I have been intensifying? must you have been intensifying? must he have been intensifying? must we have been intensifying? must you have been intensifying? must they have been intensifying?

Interro-negative form

Simple form	V-ing form
mustn't I intensify? mustn't you intensify? mustn't he intensify? mustn't we intensify? mustn't you intensify? mustn't they intensify?	mustn't I be intensifying? mustn't you be intensifying? mustn't he be intensifying? mustn't we be intensifying? mustn't you be intensifying? mustn't they be intensifying?
Perfect	V-ing perfect
mustn't I have intensified? mustn't you have intensified? mustn't he have intensified? mustn't we have intensified? mustn't you have intensified? mustn't they have intensified?	mustn't I have been intensifying? mustn't you have been intensifying? mustn't he have been intensifying? mustn't we have been intensifying? mustn't you have been intensifying? mustn't they have been intensifying?