English verb conjugation
MUST CALCIFY

Regular verb: calcify - calcified - calcified

Affirmation

Simple form	V-ing form
I must calcify you must calcify she must calcify we must calcify you must calcify they must calcify	I must be calcifying you must be calcifying she 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 she 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 she 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 she 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 she 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 she 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 she 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 she calcify? must we calcify? must you calcify? must they calcify?	must I be calcifying? must you be calcifying? must she 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 she 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 she 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 she 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 she 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 she 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 she have been calcifying? mustn't we have been calcifying? mustn't you have been calcifying? mustn't they have been calcifying?