must calcify
Verbo regular: calcify - calcified- calcified

Afirmación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
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	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	

Negación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
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	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	

Forma interrogativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
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? 	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? 	

Forma interro-negativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
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? 	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?