must vivify
Verbo regular: vivify - vivified- vivified

Afirmación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I must vivify
you must vivify
she must vivify
we must vivify
you must vivify
they must vivify 	I must be vivifying
you must be vivifying
she must be vivifying
we must be vivifying
you must be vivifying
they must be vivifying	I must have vivified
you must have vivified
she must have vivified
we must have vivified
you must have vivified
they must have vivified	I must have been vivifying
you must have been vivifying
she must have been vivifying
we must have been vivifying
you must have been vivifying
they must have been vivifying	

Negación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I mustn't vivify
you mustn't vivify
she mustn't vivify
we mustn't vivify
you mustn't vivify
they mustn't vivify 	I mustn't be vivifying
you mustn't be vivifying
she mustn't be vivifying
we mustn't be vivifying
you mustn't be vivifying
they mustn't be vivifying	I mustn't have vivified
you mustn't have vivified
she mustn't have vivified
we mustn't have vivified
you mustn't have vivified
they mustn't have vivified	I mustn't have been vivifying
you mustn't have been vivifying
she mustn't have been vivifying
we mustn't have been vivifying
you mustn't have been vivifying
they mustn't have been vivifying	

Forma interrogativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
must I vivify?
must you vivify?
must she vivify?
must we vivify?
must you vivify?
must they vivify? 	must I be vivifying?
must you be vivifying?
must she be vivifying?
must we be vivifying?
must you be vivifying?
must they be vivifying? 	must I have vivified?
must you have vivified?
must she have vivified?
must we have vivified?
must you have vivified?
must they have vivified? 	must I have been vivifying?
must you have been vivifying?
must she have been vivifying?
must we have been vivifying?
must you have been vivifying?
must they have been vivifying? 	

Forma interro-negativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
mustn't I vivify?
mustn't you vivify?
mustn't she vivify?
mustn't we vivify?
mustn't you vivify?
mustn't they vivify? 	mustn't I be vivifying?
mustn't you be vivifying?
mustn't she be vivifying?
mustn't we be vivifying?
mustn't you be vivifying?
mustn't they be vivifying? 	mustn't I have vivified?
mustn't you have vivified?
mustn't she have vivified?
mustn't we have vivified?
mustn't you have vivified?
mustn't they have vivified? 	mustn't I have been vivifying?
mustn't you have been vivifying?
mustn't she have been vivifying?
mustn't we have been vivifying?
mustn't you have been vivifying?
mustn't they have been vivifying?