English verb conjugation
MUST CALCIFY

Regular verb: calcify - calcified - calcified

Affirmation

Simple form	V-ing form
I must calcify you must calcify he must calcify we must calcify you must calcify they must calcify	I must be calcifying you must be calcifying he must be calcifying we must be calcifying you must be calcifying they must be calcifying
Perfect	V-ing perfect
I must have calcified you must have calcified he must have calcified we must have calcified you must have calcified they must have calcified	I must have been calcifying you must have been calcifying he must have been calcifying we must have been calcifying you must have been calcifying they must have been calcifying

Negation

Simple form	V-ing form
I mustn't calcify you mustn't calcify he mustn't calcify we mustn't calcify you mustn't calcify they mustn't calcify	I mustn't be calcifying you mustn't be calcifying he mustn't be calcifying we mustn't be calcifying you mustn't be calcifying they mustn't be calcifying
Perfect	V-ing perfect
I mustn't have calcified you mustn't have calcified he mustn't have calcified we mustn't have calcified you mustn't have calcified they mustn't have calcified	I mustn't have been calcifying you mustn't have been calcifying he mustn't have been calcifying we mustn't have been calcifying you mustn't have been calcifying they mustn't have been calcifying

Interrogative form

Simple form	V-ing form
must I calcify? must you calcify? must he calcify? must we calcify? must you calcify? must they calcify?	must I be calcifying? must you be calcifying? must he be calcifying? must we be calcifying? must you be calcifying? must they be calcifying?
Perfect	V-ing perfect
must I have calcified? must you have calcified? must he have calcified? must we have calcified? must you have calcified? must they have calcified?	must I have been calcifying? must you have been calcifying? must he have been calcifying? must we have been calcifying? must you have been calcifying? must they have been calcifying?

Interro-negative form

Simple form	V-ing form
mustn't I calcify? mustn't you calcify? mustn't he calcify? mustn't we calcify? mustn't you calcify? mustn't they calcify?	mustn't I be calcifying? mustn't you be calcifying? mustn't he be calcifying? mustn't we be calcifying? mustn't you be calcifying? mustn't they be calcifying?
Perfect	V-ing perfect
mustn't I have calcified? mustn't you have calcified? mustn't he have calcified? mustn't we have calcified? mustn't you have calcified? mustn't they have calcified?	mustn't I have been calcifying? mustn't you have been calcifying? mustn't he have been calcifying? mustn't we have been calcifying? mustn't you have been calcifying? mustn't they have been calcifying?